diff options
Diffstat (limited to 'googlemock/test')
35 files changed, 12300 insertions, 11382 deletions
diff --git a/googlemock/test/BUILD.bazel b/googlemock/test/BUILD.bazel index da95ed58bfd7..d4297c80fe8d 100644 --- a/googlemock/test/BUILD.bazel +++ b/googlemock/test/BUILD.bazel @@ -28,11 +28,8 @@ # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # -# Author: misterg@google.com (Gennadiy Civil) -# # Bazel Build for Google C++ Testing Framework(Google Test)-googlemock -load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_test") load("@rules_python//python:defs.bzl", "py_library", "py_test") licenses(["notice"]) @@ -41,8 +38,9 @@ licenses(["notice"]) cc_test( name = "gmock_all_test", size = "small", - srcs = glob(include = ["gmock-*.cc"]), + srcs = glob(include = ["gmock-*.cc"]) + ["gmock-matchers_test.h"], linkopts = select({ + "//:qnx": [], "//:windows": [], "//conditions:default": ["-pthread"], }), @@ -54,6 +52,9 @@ py_library( name = "gmock_test_utils", testonly = 1, srcs = ["gmock_test_utils.py"], + deps = [ + "//googletest/test:gtest_test_utils", + ], ) cc_binary( @@ -71,6 +72,10 @@ py_test( ":gmock_leak_test_", ":gmock_test_utils", ], + tags = [ + "no_test_msvc2015", + "no_test_msvc2017", + ], ) cc_test( @@ -98,7 +103,10 @@ py_test( ":gmock_output_test_", ":gmock_output_test_golden.txt", ], - python_version = "PY2", + tags = [ + "no_test_msvc2015", + "no_test_msvc2017", + ], deps = [":gmock_test_utils"], ) diff --git a/googlemock/test/gmock-actions_test.cc b/googlemock/test/gmock-actions_test.cc index f63c8c5af926..da1675c525d1 100644 --- a/googlemock/test/gmock-actions_test.cc +++ b/googlemock/test/gmock-actions_test.cc @@ -27,63 +27,231 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - // Google Mock - a framework for writing C++ mock classes. // // This file tests the built-in actions. -// Silence C4800 (C4800: 'int *const ': forcing value -// to bool 'true' or 'false') for MSVC 15 -#ifdef _MSC_VER -#if _MSC_VER == 1900 -# pragma warning(push) -# pragma warning(disable:4800) -#endif -#endif - #include "gmock/gmock-actions.h" + #include <algorithm> +#include <functional> #include <iterator> #include <memory> +#include <sstream> #include <string> +#include <tuple> +#include <type_traits> +#include <utility> +#include <vector> + #include "gmock/gmock.h" #include "gmock/internal/gmock-port.h" -#include "gtest/gtest.h" #include "gtest/gtest-spi.h" +#include "gtest/gtest.h" +#include "gtest/internal/gtest-port.h" + +// Silence C4100 (unreferenced formal parameter) and C4503 (decorated name +// length exceeded) for MSVC. +GTEST_DISABLE_MSC_WARNINGS_PUSH_(4100 4503) +#if defined(_MSC_VER) && (_MSC_VER == 1900) +// and silence C4800 (C4800: 'int *const ': forcing value +// to bool 'true' or 'false') for MSVC 15 +GTEST_DISABLE_MSC_WARNINGS_PUSH_(4800) +#endif +namespace testing { namespace { -// This list should be kept sorted. -using testing::_; -using testing::Action; -using testing::ActionInterface; -using testing::Assign; -using testing::ByMove; -using testing::ByRef; -using testing::DefaultValue; -using testing::DoAll; -using testing::DoDefault; -using testing::IgnoreResult; -using testing::Invoke; -using testing::InvokeWithoutArgs; -using testing::MakePolymorphicAction; -using testing::Ne; -using testing::PolymorphicAction; -using testing::Return; -using testing::ReturnNull; -using testing::ReturnRef; -using testing::ReturnRefOfCopy; -using testing::SetArgPointee; -using testing::SetArgumentPointee; -using testing::Unused; -using testing::WithArgs; -using testing::internal::BuiltInDefaultValue; -using testing::internal::Int64; -using testing::internal::UInt64; - -#if !GTEST_OS_WINDOWS_MOBILE -using testing::SetErrnoAndReturn; -#endif +using ::testing::internal::BuiltInDefaultValue; + +TEST(TypeTraits, Negation) { + // Direct use with std types. + static_assert(std::is_base_of<std::false_type, + internal::negation<std::true_type>>::value, + ""); + + static_assert(std::is_base_of<std::true_type, + internal::negation<std::false_type>>::value, + ""); + + // With other types that fit the requirement of a value member that is + // convertible to bool. + static_assert(std::is_base_of< + std::true_type, + internal::negation<std::integral_constant<int, 0>>>::value, + ""); + + static_assert(std::is_base_of< + std::false_type, + internal::negation<std::integral_constant<int, 1>>>::value, + ""); + + static_assert(std::is_base_of< + std::false_type, + internal::negation<std::integral_constant<int, -1>>>::value, + ""); +} + +// Weird false/true types that aren't actually bool constants (but should still +// be legal according to [meta.logical] because `bool(T::value)` is valid), are +// distinct from std::false_type and std::true_type, and are distinct from other +// instantiations of the same template. +// +// These let us check finicky details mandated by the standard like +// "std::conjunction should evaluate to a type that inherits from the first +// false-y input". +template <int> +struct MyFalse : std::integral_constant<int, 0> {}; + +template <int> +struct MyTrue : std::integral_constant<int, -1> {}; + +TEST(TypeTraits, Conjunction) { + // Base case: always true. + static_assert(std::is_base_of<std::true_type, internal::conjunction<>>::value, + ""); + + // One predicate: inherits from that predicate, regardless of value. + static_assert( + std::is_base_of<MyFalse<0>, internal::conjunction<MyFalse<0>>>::value, + ""); + + static_assert( + std::is_base_of<MyTrue<0>, internal::conjunction<MyTrue<0>>>::value, ""); + + // Multiple predicates, with at least one false: inherits from that one. + static_assert( + std::is_base_of<MyFalse<1>, internal::conjunction<MyTrue<0>, MyFalse<1>, + MyTrue<2>>>::value, + ""); + + static_assert( + std::is_base_of<MyFalse<1>, internal::conjunction<MyTrue<0>, MyFalse<1>, + MyFalse<2>>>::value, + ""); + + // Short circuiting: in the case above, additional predicates need not even + // define a value member. + struct Empty {}; + static_assert( + std::is_base_of<MyFalse<1>, internal::conjunction<MyTrue<0>, MyFalse<1>, + Empty>>::value, + ""); + + // All predicates true: inherits from the last. + static_assert( + std::is_base_of<MyTrue<2>, internal::conjunction<MyTrue<0>, MyTrue<1>, + MyTrue<2>>>::value, + ""); +} + +TEST(TypeTraits, Disjunction) { + // Base case: always false. + static_assert( + std::is_base_of<std::false_type, internal::disjunction<>>::value, ""); + + // One predicate: inherits from that predicate, regardless of value. + static_assert( + std::is_base_of<MyFalse<0>, internal::disjunction<MyFalse<0>>>::value, + ""); + + static_assert( + std::is_base_of<MyTrue<0>, internal::disjunction<MyTrue<0>>>::value, ""); + + // Multiple predicates, with at least one true: inherits from that one. + static_assert( + std::is_base_of<MyTrue<1>, internal::disjunction<MyFalse<0>, MyTrue<1>, + MyFalse<2>>>::value, + ""); + + static_assert( + std::is_base_of<MyTrue<1>, internal::disjunction<MyFalse<0>, MyTrue<1>, + MyTrue<2>>>::value, + ""); + + // Short circuiting: in the case above, additional predicates need not even + // define a value member. + struct Empty {}; + static_assert( + std::is_base_of<MyTrue<1>, internal::disjunction<MyFalse<0>, MyTrue<1>, + Empty>>::value, + ""); + + // All predicates false: inherits from the last. + static_assert( + std::is_base_of<MyFalse<2>, internal::disjunction<MyFalse<0>, MyFalse<1>, + MyFalse<2>>>::value, + ""); +} + +TEST(TypeTraits, IsInvocableRV) { + struct C { + int operator()() const { return 0; } + void operator()(int) & {} + std::string operator()(int) && { return ""; }; + }; + + // The first overload is callable for const and non-const rvalues and lvalues. + // It can be used to obtain an int, cv void, or anything int is convertible + // to. + static_assert(internal::is_callable_r<int, C>::value, ""); + static_assert(internal::is_callable_r<int, C&>::value, ""); + static_assert(internal::is_callable_r<int, const C>::value, ""); + static_assert(internal::is_callable_r<int, const C&>::value, ""); + + static_assert(internal::is_callable_r<void, C>::value, ""); + static_assert(internal::is_callable_r<const volatile void, C>::value, ""); + static_assert(internal::is_callable_r<char, C>::value, ""); + + // It's possible to provide an int. If it's given to an lvalue, the result is + // void. Otherwise it is std::string (which is also treated as allowed for a + // void result type). + static_assert(internal::is_callable_r<void, C&, int>::value, ""); + static_assert(!internal::is_callable_r<int, C&, int>::value, ""); + static_assert(!internal::is_callable_r<std::string, C&, int>::value, ""); + static_assert(!internal::is_callable_r<void, const C&, int>::value, ""); + + static_assert(internal::is_callable_r<std::string, C, int>::value, ""); + static_assert(internal::is_callable_r<void, C, int>::value, ""); + static_assert(!internal::is_callable_r<int, C, int>::value, ""); + + // It's not possible to provide other arguments. + static_assert(!internal::is_callable_r<void, C, std::string>::value, ""); + static_assert(!internal::is_callable_r<void, C, int, int>::value, ""); + + // In C++17 and above, where it's guaranteed that functions can return + // non-moveable objects, everything should work fine for non-moveable rsult + // types too. +#if defined(GTEST_INTERNAL_CPLUSPLUS_LANG) && \ + GTEST_INTERNAL_CPLUSPLUS_LANG >= 201703L + { + struct NonMoveable { + NonMoveable() = default; + NonMoveable(NonMoveable&&) = delete; + }; + + static_assert(!std::is_move_constructible_v<NonMoveable>); + + struct Callable { + NonMoveable operator()() { return NonMoveable(); } + }; + + static_assert(internal::is_callable_r<NonMoveable, Callable>::value); + static_assert(internal::is_callable_r<void, Callable>::value); + static_assert( + internal::is_callable_r<const volatile void, Callable>::value); + + static_assert(!internal::is_callable_r<int, Callable>::value); + static_assert(!internal::is_callable_r<NonMoveable, Callable, int>::value); + } +#endif // C++17 and above + + // Nothing should choke when we try to call other arguments besides directly + // callable objects, but they should not show up as callable. + static_assert(!internal::is_callable_r<void, int>::value, ""); + static_assert(!internal::is_callable_r<void, void (C::*)()>::value, ""); + static_assert(!internal::is_callable_r<void, void (C::*)(), C*>::value, ""); +} // Tests that BuiltInDefaultValue<T*>::Get() returns NULL. TEST(BuiltInDefaultValueTest, IsNullForPointerTypes) { @@ -113,16 +281,17 @@ TEST(BuiltInDefaultValueTest, IsZeroForNumericTypes) { #endif #endif EXPECT_EQ(0U, BuiltInDefaultValue<unsigned short>::Get()); // NOLINT - EXPECT_EQ(0, BuiltInDefaultValue<signed short>::Get()); // NOLINT - EXPECT_EQ(0, BuiltInDefaultValue<short>::Get()); // NOLINT + EXPECT_EQ(0, BuiltInDefaultValue<signed short>::Get()); // NOLINT + EXPECT_EQ(0, BuiltInDefaultValue<short>::Get()); // NOLINT EXPECT_EQ(0U, BuiltInDefaultValue<unsigned int>::Get()); EXPECT_EQ(0, BuiltInDefaultValue<signed int>::Get()); EXPECT_EQ(0, BuiltInDefaultValue<int>::Get()); - EXPECT_EQ(0U, BuiltInDefaultValue<unsigned long>::Get()); // NOLINT - EXPECT_EQ(0, BuiltInDefaultValue<signed long>::Get()); // NOLINT - EXPECT_EQ(0, BuiltInDefaultValue<long>::Get()); // NOLINT - EXPECT_EQ(0U, BuiltInDefaultValue<UInt64>::Get()); - EXPECT_EQ(0, BuiltInDefaultValue<Int64>::Get()); + EXPECT_EQ(0U, BuiltInDefaultValue<unsigned long>::Get()); // NOLINT + EXPECT_EQ(0, BuiltInDefaultValue<signed long>::Get()); // NOLINT + EXPECT_EQ(0, BuiltInDefaultValue<long>::Get()); // NOLINT + EXPECT_EQ(0U, BuiltInDefaultValue<unsigned long long>::Get()); // NOLINT + EXPECT_EQ(0, BuiltInDefaultValue<signed long long>::Get()); // NOLINT + EXPECT_EQ(0, BuiltInDefaultValue<long long>::Get()); // NOLINT EXPECT_EQ(0, BuiltInDefaultValue<float>::Get()); EXPECT_EQ(0, BuiltInDefaultValue<double>::Get()); } @@ -137,16 +306,17 @@ TEST(BuiltInDefaultValueTest, ExistsForNumericTypes) { EXPECT_TRUE(BuiltInDefaultValue<wchar_t>::Exists()); #endif EXPECT_TRUE(BuiltInDefaultValue<unsigned short>::Exists()); // NOLINT - EXPECT_TRUE(BuiltInDefaultValue<signed short>::Exists()); // NOLINT - EXPECT_TRUE(BuiltInDefaultValue<short>::Exists()); // NOLINT + EXPECT_TRUE(BuiltInDefaultValue<signed short>::Exists()); // NOLINT + EXPECT_TRUE(BuiltInDefaultValue<short>::Exists()); // NOLINT EXPECT_TRUE(BuiltInDefaultValue<unsigned int>::Exists()); EXPECT_TRUE(BuiltInDefaultValue<signed int>::Exists()); EXPECT_TRUE(BuiltInDefaultValue<int>::Exists()); - EXPECT_TRUE(BuiltInDefaultValue<unsigned long>::Exists()); // NOLINT - EXPECT_TRUE(BuiltInDefaultValue<signed long>::Exists()); // NOLINT - EXPECT_TRUE(BuiltInDefaultValue<long>::Exists()); // NOLINT - EXPECT_TRUE(BuiltInDefaultValue<UInt64>::Exists()); - EXPECT_TRUE(BuiltInDefaultValue<Int64>::Exists()); + EXPECT_TRUE(BuiltInDefaultValue<unsigned long>::Exists()); // NOLINT + EXPECT_TRUE(BuiltInDefaultValue<signed long>::Exists()); // NOLINT + EXPECT_TRUE(BuiltInDefaultValue<long>::Exists()); // NOLINT + EXPECT_TRUE(BuiltInDefaultValue<unsigned long long>::Exists()); // NOLINT + EXPECT_TRUE(BuiltInDefaultValue<signed long long>::Exists()); // NOLINT + EXPECT_TRUE(BuiltInDefaultValue<long long>::Exists()); // NOLINT EXPECT_TRUE(BuiltInDefaultValue<float>::Exists()); EXPECT_TRUE(BuiltInDefaultValue<double>::Exists()); } @@ -164,13 +334,13 @@ TEST(BuiltInDefaultValueTest, BoolExists) { // Tests that BuiltInDefaultValue<T>::Get() returns "" when T is a // string type. TEST(BuiltInDefaultValueTest, IsEmptyStringForString) { - EXPECT_EQ("", BuiltInDefaultValue< ::std::string>::Get()); + EXPECT_EQ("", BuiltInDefaultValue<::std::string>::Get()); } // Tests that BuiltInDefaultValue<T>::Exists() returns true when T is a // string type. TEST(BuiltInDefaultValueTest, ExistsForString) { - EXPECT_TRUE(BuiltInDefaultValue< ::std::string>::Exists()); + EXPECT_TRUE(BuiltInDefaultValue<::std::string>::Exists()); } // Tests that BuiltInDefaultValue<const T>::Get() returns the same @@ -205,7 +375,6 @@ class MyNonDefaultConstructible { int value_; }; - TEST(BuiltInDefaultValueTest, ExistsForDefaultConstructibleType) { EXPECT_TRUE(BuiltInDefaultValue<MyDefaultConstructible>::Exists()); } @@ -214,25 +383,19 @@ TEST(BuiltInDefaultValueTest, IsDefaultConstructedForDefaultConstructibleType) { EXPECT_EQ(42, BuiltInDefaultValue<MyDefaultConstructible>::Get().value()); } - TEST(BuiltInDefaultValueTest, DoesNotExistForNonDefaultConstructibleType) { EXPECT_FALSE(BuiltInDefaultValue<MyNonDefaultConstructible>::Exists()); } // Tests that BuiltInDefaultValue<T&>::Get() aborts the program. TEST(BuiltInDefaultValueDeathTest, IsUndefinedForReferences) { - EXPECT_DEATH_IF_SUPPORTED({ - BuiltInDefaultValue<int&>::Get(); - }, ""); - EXPECT_DEATH_IF_SUPPORTED({ - BuiltInDefaultValue<const char&>::Get(); - }, ""); + EXPECT_DEATH_IF_SUPPORTED({ BuiltInDefaultValue<int&>::Get(); }, ""); + EXPECT_DEATH_IF_SUPPORTED({ BuiltInDefaultValue<const char&>::Get(); }, ""); } TEST(BuiltInDefaultValueDeathTest, IsUndefinedForNonDefaultConstructibleType) { - EXPECT_DEATH_IF_SUPPORTED({ - BuiltInDefaultValue<MyNonDefaultConstructible>::Get(); - }, ""); + EXPECT_DEATH_IF_SUPPORTED( + { BuiltInDefaultValue<MyNonDefaultConstructible>::Get(); }, ""); } // Tests that DefaultValue<T>::IsSet() is false initially. @@ -278,26 +441,22 @@ TEST(DefaultValueDeathTest, GetReturnsBuiltInDefaultValueWhenUnset) { EXPECT_EQ(0, DefaultValue<int>::Get()); - EXPECT_DEATH_IF_SUPPORTED({ - DefaultValue<MyNonDefaultConstructible>::Get(); - }, ""); + EXPECT_DEATH_IF_SUPPORTED({ DefaultValue<MyNonDefaultConstructible>::Get(); }, + ""); } TEST(DefaultValueTest, GetWorksForMoveOnlyIfSet) { EXPECT_TRUE(DefaultValue<std::unique_ptr<int>>::Exists()); EXPECT_TRUE(DefaultValue<std::unique_ptr<int>>::Get() == nullptr); - DefaultValue<std::unique_ptr<int>>::SetFactory([] { - return std::unique_ptr<int>(new int(42)); - }); + DefaultValue<std::unique_ptr<int>>::SetFactory( + [] { return std::make_unique<int>(42); }); EXPECT_TRUE(DefaultValue<std::unique_ptr<int>>::Exists()); std::unique_ptr<int> i = DefaultValue<std::unique_ptr<int>>::Get(); EXPECT_EQ(42, *i); } // Tests that DefaultValue<void>::Get() returns void. -TEST(DefaultValueTest, GetWorksForVoid) { - return DefaultValue<void>::Get(); -} +TEST(DefaultValueTest, GetWorksForVoid) { return DefaultValue<void>::Get(); } // Tests using DefaultValue with a reference type. @@ -308,7 +467,7 @@ TEST(DefaultValueOfReferenceTest, IsInitiallyUnset) { EXPECT_FALSE(DefaultValue<MyNonDefaultConstructible&>::IsSet()); } -// Tests that DefaultValue<T&>::Exists is false initiallly. +// Tests that DefaultValue<T&>::Exists is false initially. TEST(DefaultValueOfReferenceTest, IsInitiallyNotExisting) { EXPECT_FALSE(DefaultValue<int&>::Exists()); EXPECT_FALSE(DefaultValue<MyDefaultConstructible&>::Exists()); @@ -345,12 +504,9 @@ TEST(DefaultValueOfReferenceDeathTest, GetReturnsBuiltInDefaultValueWhenUnset) { EXPECT_FALSE(DefaultValue<int&>::IsSet()); EXPECT_FALSE(DefaultValue<MyNonDefaultConstructible&>::IsSet()); - EXPECT_DEATH_IF_SUPPORTED({ - DefaultValue<int&>::Get(); - }, ""); - EXPECT_DEATH_IF_SUPPORTED({ - DefaultValue<MyNonDefaultConstructible>::Get(); - }, ""); + EXPECT_DEATH_IF_SUPPORTED({ DefaultValue<int&>::Get(); }, ""); + EXPECT_DEATH_IF_SUPPORTED({ DefaultValue<MyNonDefaultConstructible>::Get(); }, + ""); } // Tests that ActionInterface can be implemented by defining the @@ -381,7 +537,7 @@ TEST(ActionInterfaceTest, MakeAction) { EXPECT_EQ(5, action.Perform(std::make_tuple(true, 5))); } -// Tests that Action<F> can be contructed from a pointer to +// Tests that Action<F> can be constructed from a pointer to // ActionInterface<F>. TEST(ActionTest, CanBeConstructedFromActionInterface) { Action<MyGlobalFunction> action(new MyActionImpl); @@ -430,7 +586,7 @@ class IsNotZero : public ActionInterface<bool(int)> { // NOLINT }; TEST(ActionTest, CanBeConvertedToOtherActionType) { - const Action<bool(int)> a1(new IsNotZero); // NOLINT + const Action<bool(int)> a1(new IsNotZero); // NOLINT const Action<int(char)> a2 = Action<int(char)>(a1); // NOLINT EXPECT_EQ(1, a2.Perform(std::make_tuple('a'))); EXPECT_EQ(0, a2.Perform(std::make_tuple('\0'))); @@ -522,27 +678,137 @@ TEST(ReturnTest, AcceptsStringLiteral) { EXPECT_EQ("world", a2.Perform(std::make_tuple())); } -// Test struct which wraps a vector of integers. Used in -// 'SupportsWrapperReturnType' test. -struct IntegerVectorWrapper { - std::vector<int> * v; - IntegerVectorWrapper(std::vector<int>& _v) : v(&_v) {} // NOLINT -}; +// Return(x) should work fine when the mock function's return type is a +// reference-like wrapper for decltype(x), as when x is a std::string and the +// mock function returns std::string_view. +TEST(ReturnTest, SupportsReferenceLikeReturnType) { + // A reference wrapper for std::vector<int>, implicitly convertible from it. + struct Result { + const std::vector<int>* v; + Result(const std::vector<int>& vec) : v(&vec) {} // NOLINT + }; + + // Set up an action for a mock function that returns the reference wrapper + // type, initializing it with an actual vector. + // + // The returned wrapper should be initialized with a copy of that vector + // that's embedded within the action itself (which should stay alive as long + // as the mock object is alive), rather than e.g. a reference to the temporary + // we feed to Return. This should work fine both for WillOnce and + // WillRepeatedly. + MockFunction<Result()> mock; + EXPECT_CALL(mock, Call) + .WillOnce(Return(std::vector<int>{17, 19, 23})) + .WillRepeatedly(Return(std::vector<int>{29, 31, 37})); + + EXPECT_THAT(mock.AsStdFunction()(), + Field(&Result::v, Pointee(ElementsAre(17, 19, 23)))); + + EXPECT_THAT(mock.AsStdFunction()(), + Field(&Result::v, Pointee(ElementsAre(29, 31, 37)))); +} + +TEST(ReturnTest, PrefersConversionOperator) { + // Define types In and Out such that: + // + // * In is implicitly convertible to Out. + // * Out also has an explicit constructor from In. + // + struct In; + struct Out { + int x; + + explicit Out(const int val) : x(val) {} + explicit Out(const In&) : x(0) {} + }; -// Tests that Return() works when return type is a wrapper type. -TEST(ReturnTest, SupportsWrapperReturnType) { - // Initialize vector of integers. - std::vector<int> v; - for (int i = 0; i < 5; ++i) v.push_back(i); + struct In { + operator Out() const { return Out{19}; } // NOLINT + }; - // Return() called with 'v' as argument. The Action will return the same data - // as 'v' (copy) but it will be wrapped in an IntegerVectorWrapper. - Action<IntegerVectorWrapper()> a = Return(v); - const std::vector<int>& result = *(a.Perform(std::make_tuple()).v); - EXPECT_THAT(result, ::testing::ElementsAre(0, 1, 2, 3, 4)); + // Assumption check: the C++ language rules are such that a function that + // returns Out which uses In a return statement will use the implicit + // conversion path rather than the explicit constructor. + EXPECT_THAT([]() -> Out { return In(); }(), Field(&Out::x, 19)); + + // Return should work the same way: if the mock function's return type is Out + // and we feed Return an In value, then the Out should be created through the + // implicit conversion path rather than the explicit constructor. + MockFunction<Out()> mock; + EXPECT_CALL(mock, Call).WillOnce(Return(In())); + EXPECT_THAT(mock.AsStdFunction()(), Field(&Out::x, 19)); } -// Tests that Return(v) is covaraint. +// It should be possible to use Return(R) with a mock function result type U +// that is convertible from const R& but *not* R (such as +// std::reference_wrapper). This should work for both WillOnce and +// WillRepeatedly. +TEST(ReturnTest, ConversionRequiresConstLvalueReference) { + using R = int; + using U = std::reference_wrapper<const int>; + + static_assert(std::is_convertible<const R&, U>::value, ""); + static_assert(!std::is_convertible<R, U>::value, ""); + + MockFunction<U()> mock; + EXPECT_CALL(mock, Call).WillOnce(Return(17)).WillRepeatedly(Return(19)); + + EXPECT_EQ(17, mock.AsStdFunction()()); + EXPECT_EQ(19, mock.AsStdFunction()()); +} + +// Return(x) should not be usable with a mock function result type that's +// implicitly convertible from decltype(x) but requires a non-const lvalue +// reference to the input. It doesn't make sense for the conversion operator to +// modify the input. +TEST(ReturnTest, ConversionRequiresMutableLvalueReference) { + // Set up a type that is implicitly convertible from std::string&, but not + // std::string&& or `const std::string&`. + // + // Avoid asserting about conversion from std::string on MSVC, which seems to + // implement std::is_convertible incorrectly in this case. + struct S { + S(std::string&) {} // NOLINT + }; + + static_assert(std::is_convertible<std::string&, S>::value, ""); +#ifndef _MSC_VER + static_assert(!std::is_convertible<std::string&&, S>::value, ""); +#endif + static_assert(!std::is_convertible<const std::string&, S>::value, ""); + + // It shouldn't be possible to use the result of Return(std::string) in a + // context where an S is needed. + // + // Here too we disable the assertion for MSVC, since its incorrect + // implementation of is_convertible causes our SFINAE to be wrong. + using RA = decltype(Return(std::string())); + + static_assert(!std::is_convertible<RA, Action<S()>>::value, ""); +#ifndef _MSC_VER + static_assert(!std::is_convertible<RA, OnceAction<S()>>::value, ""); +#endif +} + +TEST(ReturnTest, MoveOnlyResultType) { + // Return should support move-only result types when used with WillOnce. + { + MockFunction<std::unique_ptr<int>()> mock; + EXPECT_CALL(mock, Call) + // NOLINTNEXTLINE + .WillOnce(Return(std::unique_ptr<int>(new int(17)))); + + EXPECT_THAT(mock.AsStdFunction()(), Pointee(17)); + } + + // The result of Return should not be convertible to Action (so it can't be + // used with WillRepeatedly). + static_assert(!std::is_convertible<decltype(Return(std::unique_ptr<int>())), + Action<std::unique_ptr<int>()>>::value, + ""); +} + +// Tests that Return(v) is covariant. struct Base { bool operator==(const Base&) { return true; } @@ -573,8 +839,6 @@ class FromType { private: bool* const converted_; - - GTEST_DISALLOW_ASSIGN_(FromType); }; class ToType { @@ -595,19 +859,6 @@ TEST(ReturnTest, ConvertsArgumentWhenConverted) { << "when performed."; } -class DestinationType {}; - -class SourceType { - public: - // Note: a non-const typecast operator. - operator DestinationType() { return DestinationType(); } -}; - -TEST(ReturnTest, CanConvertArgumentUsingNonConstTypeCastOperator) { - SourceType s; - Action<DestinationType()> action(Return(s)); -} - // Tests that ReturnNull() returns NULL in a pointer-returning function. TEST(ReturnNullTest, WorksInPointerReturningFunction) { const Action<int*()> a1 = ReturnNull(); @@ -646,6 +897,43 @@ TEST(ReturnRefTest, IsCovariant) { EXPECT_EQ(&derived, &a.Perform(std::make_tuple())); } +template <typename T, typename = decltype(ReturnRef(std::declval<T&&>()))> +bool CanCallReturnRef(T&&) { + return true; +} +bool CanCallReturnRef(Unused) { return false; } + +// Tests that ReturnRef(v) is working with non-temporaries (T&) +TEST(ReturnRefTest, WorksForNonTemporary) { + int scalar_value = 123; + EXPECT_TRUE(CanCallReturnRef(scalar_value)); + + std::string non_scalar_value("ABC"); + EXPECT_TRUE(CanCallReturnRef(non_scalar_value)); + + const int const_scalar_value{321}; + EXPECT_TRUE(CanCallReturnRef(const_scalar_value)); + + const std::string const_non_scalar_value("CBA"); + EXPECT_TRUE(CanCallReturnRef(const_non_scalar_value)); +} + +// Tests that ReturnRef(v) is not working with temporaries (T&&) +TEST(ReturnRefTest, DoesNotWorkForTemporary) { + auto scalar_value = []() -> int { return 123; }; + EXPECT_FALSE(CanCallReturnRef(scalar_value())); + + auto non_scalar_value = []() -> std::string { return "ABC"; }; + EXPECT_FALSE(CanCallReturnRef(non_scalar_value())); + + // cannot use here callable returning "const scalar type", + // because such const for scalar return type is ignored + EXPECT_FALSE(CanCallReturnRef(static_cast<const int>(321))); + + auto const_non_scalar_value = []() -> const std::string { return "CBA"; }; + EXPECT_FALSE(CanCallReturnRef(const_non_scalar_value())); +} + // Tests that ReturnRefOfCopy(v) works for reference types. TEST(ReturnRefOfCopyTest, WorksForReference) { int n = 42; @@ -670,11 +958,36 @@ TEST(ReturnRefOfCopyTest, IsCovariant) { EXPECT_NE(&derived, &a.Perform(std::make_tuple())); } +// Tests that ReturnRoundRobin(v) works with initializer lists +TEST(ReturnRoundRobinTest, WorksForInitList) { + Action<int()> ret = ReturnRoundRobin({1, 2, 3}); + + EXPECT_EQ(1, ret.Perform(std::make_tuple())); + EXPECT_EQ(2, ret.Perform(std::make_tuple())); + EXPECT_EQ(3, ret.Perform(std::make_tuple())); + EXPECT_EQ(1, ret.Perform(std::make_tuple())); + EXPECT_EQ(2, ret.Perform(std::make_tuple())); + EXPECT_EQ(3, ret.Perform(std::make_tuple())); +} + +// Tests that ReturnRoundRobin(v) works with vectors +TEST(ReturnRoundRobinTest, WorksForVector) { + std::vector<double> v = {4.4, 5.5, 6.6}; + Action<double()> ret = ReturnRoundRobin(v); + + EXPECT_EQ(4.4, ret.Perform(std::make_tuple())); + EXPECT_EQ(5.5, ret.Perform(std::make_tuple())); + EXPECT_EQ(6.6, ret.Perform(std::make_tuple())); + EXPECT_EQ(4.4, ret.Perform(std::make_tuple())); + EXPECT_EQ(5.5, ret.Perform(std::make_tuple())); + EXPECT_EQ(6.6, ret.Perform(std::make_tuple())); +} + // Tests that DoDefault() does the default action for the mock method. class MockClass { public: - MockClass() {} + MockClass() = default; MOCK_METHOD1(IntFunc, int(bool flag)); // NOLINT MOCK_METHOD0(Foo, MyNonDefaultConstructible()); @@ -686,15 +999,15 @@ class MockClass { int(const std::unique_ptr<int>&, std::unique_ptr<int>)); private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockClass); + MockClass(const MockClass&) = delete; + MockClass& operator=(const MockClass&) = delete; }; // Tests that DoDefault() returns the built-in default value for the // return type by default. TEST(DoDefaultTest, ReturnsBuiltInDefaultValueByDefault) { MockClass mock; - EXPECT_CALL(mock, IntFunc(_)) - .WillOnce(DoDefault()); + EXPECT_CALL(mock, IntFunc(_)).WillOnce(DoDefault()); EXPECT_EQ(0, mock.IntFunc(true)); } @@ -702,14 +1015,11 @@ TEST(DoDefaultTest, ReturnsBuiltInDefaultValueByDefault) { // the process when there is no built-in default value for the return type. TEST(DoDefaultDeathTest, DiesForUnknowType) { MockClass mock; - EXPECT_CALL(mock, Foo()) - .WillRepeatedly(DoDefault()); + EXPECT_CALL(mock, Foo()).WillRepeatedly(DoDefault()); #if GTEST_HAS_EXCEPTIONS EXPECT_ANY_THROW(mock.Foo()); #else - EXPECT_DEATH_IF_SUPPORTED({ - mock.Foo(); - }, ""); + EXPECT_DEATH_IF_SUPPORTED({ mock.Foo(); }, ""); #endif } @@ -721,25 +1031,21 @@ void VoidFunc(bool /* flag */) {} TEST(DoDefaultDeathTest, DiesIfUsedInCompositeAction) { MockClass mock; EXPECT_CALL(mock, IntFunc(_)) - .WillRepeatedly(DoAll(Invoke(VoidFunc), - DoDefault())); + .WillRepeatedly(DoAll(Invoke(VoidFunc), DoDefault())); // Ideally we should verify the error message as well. Sadly, // EXPECT_DEATH() can only capture stderr, while Google Mock's // errors are printed on stdout. Therefore we have to settle for // not verifying the message. - EXPECT_DEATH_IF_SUPPORTED({ - mock.IntFunc(true); - }, ""); + EXPECT_DEATH_IF_SUPPORTED({ mock.IntFunc(true); }, ""); } // Tests that DoDefault() returns the default value set by -// DefaultValue<T>::Set() when it's not overriden by an ON_CALL(). +// DefaultValue<T>::Set() when it's not overridden by an ON_CALL(). TEST(DoDefaultTest, ReturnsUserSpecifiedPerTypeDefaultValueWhenThereIsOne) { DefaultValue<int>::Set(1); MockClass mock; - EXPECT_CALL(mock, IntFunc(_)) - .WillOnce(DoDefault()); + EXPECT_CALL(mock, IntFunc(_)).WillOnce(DoDefault()); EXPECT_EQ(1, mock.IntFunc(false)); DefaultValue<int>::Clear(); } @@ -747,20 +1053,19 @@ TEST(DoDefaultTest, ReturnsUserSpecifiedPerTypeDefaultValueWhenThereIsOne) { // Tests that DoDefault() does the action specified by ON_CALL(). TEST(DoDefaultTest, DoesWhatOnCallSpecifies) { MockClass mock; - ON_CALL(mock, IntFunc(_)) - .WillByDefault(Return(2)); - EXPECT_CALL(mock, IntFunc(_)) - .WillOnce(DoDefault()); + ON_CALL(mock, IntFunc(_)).WillByDefault(Return(2)); + EXPECT_CALL(mock, IntFunc(_)).WillOnce(DoDefault()); EXPECT_EQ(2, mock.IntFunc(false)); } // Tests that using DoDefault() in ON_CALL() leads to a run-time failure. TEST(DoDefaultTest, CannotBeUsedInOnCall) { MockClass mock; - EXPECT_NONFATAL_FAILURE({ // NOLINT - ON_CALL(mock, IntFunc(_)) - .WillByDefault(DoDefault()); - }, "DoDefault() cannot be used in ON_CALL()"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + ON_CALL(mock, IntFunc(_)).WillByDefault(DoDefault()); + }, + "DoDefault() cannot be used in ON_CALL()"); } // Tests that SetArgPointee<N>(v) sets the variable pointed to by @@ -807,7 +1112,7 @@ TEST(SetArgPointeeTest, AcceptsWideStringLiteral) { a.Perform(std::make_tuple(&ptr)); EXPECT_STREQ(L"world", ptr); -# if GTEST_HAS_STD_WSTRING +#if GTEST_HAS_STD_WSTRING typedef void MyStringFunction(std::wstring*); Action<MyStringFunction> a2 = SetArgPointee<0>(L"world"); @@ -815,7 +1120,7 @@ TEST(SetArgPointeeTest, AcceptsWideStringLiteral) { a2.Perform(std::make_tuple(&str)); EXPECT_EQ(L"world", str); -# endif +#endif } // Tests that SetArgPointee<N>() accepts a char pointer. @@ -846,7 +1151,7 @@ TEST(SetArgPointeeTest, AcceptsWideCharPointer) { a.Perform(std::make_tuple(true, &ptr)); EXPECT_EQ(hi, ptr); -# if GTEST_HAS_STD_WSTRING +#if GTEST_HAS_STD_WSTRING typedef void MyStringFunction(bool, std::wstring*); wchar_t world_array[] = L"world"; @@ -855,7 +1160,7 @@ TEST(SetArgPointeeTest, AcceptsWideCharPointer) { std::wstring str; a2.Perform(std::make_tuple(true, &str)); EXPECT_EQ(world_array, str); -# endif +#endif } // Tests that SetArgumentPointee<N>(v) sets the variable pointed to by @@ -1018,6 +1323,159 @@ TEST(AssignTest, CompatibleTypes) { EXPECT_DOUBLE_EQ(5, x); } +// DoAll should support &&-qualified actions when used with WillOnce. +TEST(DoAll, SupportsRefQualifiedActions) { + struct InitialAction { + void operator()(const int arg) && { EXPECT_EQ(17, arg); } + }; + + struct FinalAction { + int operator()() && { return 19; } + }; + + MockFunction<int(int)> mock; + EXPECT_CALL(mock, Call).WillOnce(DoAll(InitialAction{}, FinalAction{})); + EXPECT_EQ(19, mock.AsStdFunction()(17)); +} + +// DoAll should never provide rvalue references to the initial actions. If the +// mock action itself accepts an rvalue reference or a non-scalar object by +// value then the final action should receive an rvalue reference, but initial +// actions should receive only lvalue references. +TEST(DoAll, ProvidesLvalueReferencesToInitialActions) { + struct Obj {}; + + // Mock action accepts by value: the initial action should be fed a const + // lvalue reference, and the final action an rvalue reference. + { + struct InitialAction { + void operator()(Obj&) const { FAIL() << "Unexpected call"; } + void operator()(const Obj&) const {} + void operator()(Obj&&) const { FAIL() << "Unexpected call"; } + void operator()(const Obj&&) const { FAIL() << "Unexpected call"; } + }; + + MockFunction<void(Obj)> mock; + EXPECT_CALL(mock, Call) + .WillOnce(DoAll(InitialAction{}, InitialAction{}, [](Obj&&) {})) + .WillRepeatedly(DoAll(InitialAction{}, InitialAction{}, [](Obj&&) {})); + + mock.AsStdFunction()(Obj{}); + mock.AsStdFunction()(Obj{}); + } + + // Mock action accepts by const lvalue reference: both actions should receive + // a const lvalue reference. + { + struct InitialAction { + void operator()(Obj&) const { FAIL() << "Unexpected call"; } + void operator()(const Obj&) const {} + void operator()(Obj&&) const { FAIL() << "Unexpected call"; } + void operator()(const Obj&&) const { FAIL() << "Unexpected call"; } + }; + + MockFunction<void(const Obj&)> mock; + EXPECT_CALL(mock, Call) + .WillOnce(DoAll(InitialAction{}, InitialAction{}, [](const Obj&) {})) + .WillRepeatedly( + DoAll(InitialAction{}, InitialAction{}, [](const Obj&) {})); + + mock.AsStdFunction()(Obj{}); + mock.AsStdFunction()(Obj{}); + } + + // Mock action accepts by non-const lvalue reference: both actions should get + // a non-const lvalue reference if they want them. + { + struct InitialAction { + void operator()(Obj&) const {} + void operator()(Obj&&) const { FAIL() << "Unexpected call"; } + }; + + MockFunction<void(Obj&)> mock; + EXPECT_CALL(mock, Call) + .WillOnce(DoAll(InitialAction{}, InitialAction{}, [](Obj&) {})) + .WillRepeatedly(DoAll(InitialAction{}, InitialAction{}, [](Obj&) {})); + + Obj obj; + mock.AsStdFunction()(obj); + mock.AsStdFunction()(obj); + } + + // Mock action accepts by rvalue reference: the initial actions should receive + // a non-const lvalue reference if it wants it, and the final action an rvalue + // reference. + { + struct InitialAction { + void operator()(Obj&) const {} + void operator()(Obj&&) const { FAIL() << "Unexpected call"; } + }; + + MockFunction<void(Obj&&)> mock; + EXPECT_CALL(mock, Call) + .WillOnce(DoAll(InitialAction{}, InitialAction{}, [](Obj&&) {})) + .WillRepeatedly(DoAll(InitialAction{}, InitialAction{}, [](Obj&&) {})); + + mock.AsStdFunction()(Obj{}); + mock.AsStdFunction()(Obj{}); + } + + // &&-qualified initial actions should also be allowed with WillOnce. + { + struct InitialAction { + void operator()(Obj&) && {} + }; + + MockFunction<void(Obj&)> mock; + EXPECT_CALL(mock, Call) + .WillOnce(DoAll(InitialAction{}, InitialAction{}, [](Obj&) {})); + + Obj obj; + mock.AsStdFunction()(obj); + } + + { + struct InitialAction { + void operator()(Obj&) && {} + }; + + MockFunction<void(Obj&&)> mock; + EXPECT_CALL(mock, Call) + .WillOnce(DoAll(InitialAction{}, InitialAction{}, [](Obj&&) {})); + + mock.AsStdFunction()(Obj{}); + } +} + +// DoAll should support being used with type-erased Action objects, both through +// WillOnce and WillRepeatedly. +TEST(DoAll, SupportsTypeErasedActions) { + // With only type-erased actions. + const Action<void()> initial_action = [] {}; + const Action<int()> final_action = [] { return 17; }; + + MockFunction<int()> mock; + EXPECT_CALL(mock, Call) + .WillOnce(DoAll(initial_action, initial_action, final_action)) + .WillRepeatedly(DoAll(initial_action, initial_action, final_action)); + + EXPECT_EQ(17, mock.AsStdFunction()()); + + // With &&-qualified and move-only final action. + { + struct FinalAction { + FinalAction() = default; + FinalAction(FinalAction&&) = default; + + int operator()() && { return 17; } + }; + + EXPECT_CALL(mock, Call) + .WillOnce(DoAll(initial_action, initial_action, FinalAction{})); + + EXPECT_EQ(17, mock.AsStdFunction()()); + } +} // Tests using WithArgs and with an action that takes 1 argument. TEST(WithArgsTest, OneArg) { @@ -1114,11 +1572,32 @@ TEST(WithArgsTest, ReturnReference) { TEST(WithArgsTest, InnerActionWithConversion) { Action<Derived*()> inner = [] { return nullptr; }; - Action<Base*(double)> a = testing::WithoutArgs(inner); - EXPECT_EQ(nullptr, a.Perform(std::make_tuple(1.1))); + + MockFunction<Base*(double)> mock; + EXPECT_CALL(mock, Call) + .WillOnce(WithoutArgs(inner)) + .WillRepeatedly(WithoutArgs(inner)); + + EXPECT_EQ(nullptr, mock.AsStdFunction()(1.1)); + EXPECT_EQ(nullptr, mock.AsStdFunction()(1.1)); +} + +// It should be possible to use an &&-qualified inner action as long as the +// whole shebang is used as an rvalue with WillOnce. +TEST(WithArgsTest, RefQualifiedInnerAction) { + struct SomeAction { + int operator()(const int arg) && { + EXPECT_EQ(17, arg); + return 19; + } + }; + + MockFunction<int(int, int)> mock; + EXPECT_CALL(mock, Call).WillOnce(WithArg<1>(SomeAction{})); + EXPECT_EQ(19, mock.AsStdFunction()(0, 17)); } -#if !GTEST_OS_WINDOWS_MOBILE +#ifndef GTEST_OS_WINDOWS_MOBILE class SetErrnoAndReturnTest : public testing::Test { protected: @@ -1174,7 +1653,7 @@ TEST(ByRefTest, IsCopyable) { TEST(ByRefTest, ConstValue) { const int n = 0; // int& ref = ByRef(n); // This shouldn't compile - we have a - // negative compilation test to catch it. + // negative compilation test to catch it. const int& const_ref = ByRef(n); EXPECT_EQ(&n, &const_ref); } @@ -1199,7 +1678,7 @@ TEST(ByRefTest, ExplicitType) { EXPECT_EQ(&n, &r1); // ByRef<char>(n); // This shouldn't compile - we have a negative - // compilation test to catch it. + // compilation test to catch it. Derived d; Derived& r2 = ByRef<Derived>(d); @@ -1230,11 +1709,55 @@ TEST(ByRefTest, PrintsCorrectly) { EXPECT_EQ(expected.str(), actual.str()); } +struct UnaryConstructorClass { + explicit UnaryConstructorClass(int v) : value(v) {} + int value; +}; + +// Tests using ReturnNew() with a unary constructor. +TEST(ReturnNewTest, Unary) { + Action<UnaryConstructorClass*()> a = ReturnNew<UnaryConstructorClass>(4000); + UnaryConstructorClass* c = a.Perform(std::make_tuple()); + EXPECT_EQ(4000, c->value); + delete c; +} + +TEST(ReturnNewTest, UnaryWorksWhenMockMethodHasArgs) { + Action<UnaryConstructorClass*(bool, int)> a = + ReturnNew<UnaryConstructorClass>(4000); + UnaryConstructorClass* c = a.Perform(std::make_tuple(false, 5)); + EXPECT_EQ(4000, c->value); + delete c; +} + +TEST(ReturnNewTest, UnaryWorksWhenMockMethodReturnsPointerToConst) { + Action<const UnaryConstructorClass*()> a = + ReturnNew<UnaryConstructorClass>(4000); + const UnaryConstructorClass* c = a.Perform(std::make_tuple()); + EXPECT_EQ(4000, c->value); + delete c; +} + +class TenArgConstructorClass { + public: + TenArgConstructorClass(int a1, int a2, int a3, int a4, int a5, int a6, int a7, + int a8, int a9, int a10) + : value_(a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9 + a10) {} + int value_; +}; -std::unique_ptr<int> UniquePtrSource() { - return std::unique_ptr<int>(new int(19)); +// Tests using ReturnNew() with a 10-argument constructor. +TEST(ReturnNewTest, ConstructorThatTakes10Arguments) { + Action<TenArgConstructorClass*()> a = ReturnNew<TenArgConstructorClass>( + 1000000000, 200000000, 30000000, 4000000, 500000, 60000, 7000, 800, 90, + 0); + TenArgConstructorClass* c = a.Perform(std::make_tuple()); + EXPECT_EQ(1234567890, c->value_); + delete c; } +std::unique_ptr<int> UniquePtrSource() { return std::make_unique<int>(19); } + std::vector<std::unique_ptr<int>> VectorUniquePtrSource() { std::vector<std::unique_ptr<int>> out; out.emplace_back(new int(7)); @@ -1268,9 +1791,10 @@ TEST(MockMethodTest, CanReturnMoveOnlyValue_DoAllReturn) { MockClass mock; std::unique_ptr<int> i(new int(19)); EXPECT_CALL(mock_function, Call()); - EXPECT_CALL(mock, MakeUnique()).WillOnce(DoAll( - InvokeWithoutArgs(&mock_function, &testing::MockFunction<void()>::Call), - Return(ByMove(std::move(i))))); + EXPECT_CALL(mock, MakeUnique()) + .WillOnce(DoAll(InvokeWithoutArgs(&mock_function, + &testing::MockFunction<void()>::Call), + Return(ByMove(std::move(i))))); std::unique_ptr<int> result1 = mock.MakeUnique(); EXPECT_EQ(19, *result1); @@ -1280,9 +1804,8 @@ TEST(MockMethodTest, CanReturnMoveOnlyValue_Invoke) { MockClass mock; // Check default value - DefaultValue<std::unique_ptr<int>>::SetFactory([] { - return std::unique_ptr<int>(new int(42)); - }); + DefaultValue<std::unique_ptr<int>>::SetFactory( + [] { return std::make_unique<int>(42); }); EXPECT_EQ(42, *mock.MakeUnique()); EXPECT_CALL(mock, MakeUnique()).WillRepeatedly(Invoke(UniquePtrSource)); @@ -1302,7 +1825,7 @@ TEST(MockMethodTest, CanReturnMoveOnlyValue_Invoke) { TEST(MockMethodTest, CanTakeMoveOnlyValue) { MockClass mock; - auto make = [](int i) { return std::unique_ptr<int>(new int(i)); }; + auto make = [](int i) { return std::make_unique<int>(i); }; EXPECT_CALL(mock, TakeUnique(_)).WillRepeatedly([](std::unique_ptr<int> i) { return *i; @@ -1342,6 +1865,178 @@ TEST(MockMethodTest, CanTakeMoveOnlyValue) { EXPECT_EQ(42, *saved); } +// It should be possible to use callables with an &&-qualified call operator +// with WillOnce, since they will be called only once. This allows actions to +// contain and manipulate move-only types. +TEST(MockMethodTest, ActionHasRvalueRefQualifiedCallOperator) { + struct Return17 { + int operator()() && { return 17; } + }; + + // Action is directly compatible with mocked function type. + { + MockFunction<int()> mock; + EXPECT_CALL(mock, Call).WillOnce(Return17()); + + EXPECT_EQ(17, mock.AsStdFunction()()); + } + + // Action doesn't want mocked function arguments. + { + MockFunction<int(int)> mock; + EXPECT_CALL(mock, Call).WillOnce(Return17()); + + EXPECT_EQ(17, mock.AsStdFunction()(0)); + } +} + +// Edge case: if an action has both a const-qualified and an &&-qualified call +// operator, there should be no "ambiguous call" errors. The &&-qualified +// operator should be used by WillOnce (since it doesn't need to retain the +// action beyond one call), and the const-qualified one by WillRepeatedly. +TEST(MockMethodTest, ActionHasMultipleCallOperators) { + struct ReturnInt { + int operator()() && { return 17; } + int operator()() const& { return 19; } + }; + + // Directly compatible with mocked function type. + { + MockFunction<int()> mock; + EXPECT_CALL(mock, Call).WillOnce(ReturnInt()).WillRepeatedly(ReturnInt()); + + EXPECT_EQ(17, mock.AsStdFunction()()); + EXPECT_EQ(19, mock.AsStdFunction()()); + EXPECT_EQ(19, mock.AsStdFunction()()); + } + + // Ignores function arguments. + { + MockFunction<int(int)> mock; + EXPECT_CALL(mock, Call).WillOnce(ReturnInt()).WillRepeatedly(ReturnInt()); + + EXPECT_EQ(17, mock.AsStdFunction()(0)); + EXPECT_EQ(19, mock.AsStdFunction()(0)); + EXPECT_EQ(19, mock.AsStdFunction()(0)); + } +} + +// WillOnce should have no problem coping with a move-only action, whether it is +// &&-qualified or not. +TEST(MockMethodTest, MoveOnlyAction) { + // &&-qualified + { + struct Return17 { + Return17() = default; + Return17(Return17&&) = default; + + Return17(const Return17&) = delete; + Return17 operator=(const Return17&) = delete; + + int operator()() && { return 17; } + }; + + MockFunction<int()> mock; + EXPECT_CALL(mock, Call).WillOnce(Return17()); + EXPECT_EQ(17, mock.AsStdFunction()()); + } + + // Not &&-qualified + { + struct Return17 { + Return17() = default; + Return17(Return17&&) = default; + + Return17(const Return17&) = delete; + Return17 operator=(const Return17&) = delete; + + int operator()() const { return 17; } + }; + + MockFunction<int()> mock; + EXPECT_CALL(mock, Call).WillOnce(Return17()); + EXPECT_EQ(17, mock.AsStdFunction()()); + } +} + +// It should be possible to use an action that returns a value with a mock +// function that doesn't, both through WillOnce and WillRepeatedly. +TEST(MockMethodTest, ActionReturnsIgnoredValue) { + struct ReturnInt { + int operator()() const { return 0; } + }; + + MockFunction<void()> mock; + EXPECT_CALL(mock, Call).WillOnce(ReturnInt()).WillRepeatedly(ReturnInt()); + + mock.AsStdFunction()(); + mock.AsStdFunction()(); +} + +// Despite the fanciness around move-only actions and so on, it should still be +// possible to hand an lvalue reference to a copyable action to WillOnce. +TEST(MockMethodTest, WillOnceCanAcceptLvalueReference) { + MockFunction<int()> mock; + + const auto action = [] { return 17; }; + EXPECT_CALL(mock, Call).WillOnce(action); + + EXPECT_EQ(17, mock.AsStdFunction()()); +} + +// A callable that doesn't use SFINAE to restrict its call operator's overload +// set, but is still picky about which arguments it will accept. +struct StaticAssertSingleArgument { + template <typename... Args> + static constexpr bool CheckArgs() { + static_assert(sizeof...(Args) == 1, ""); + return true; + } + + template <typename... Args, bool = CheckArgs<Args...>()> + int operator()(Args...) const { + return 17; + } +}; + +// WillOnce and WillRepeatedly should both work fine with naïve implementations +// of actions that don't use SFINAE to limit the overload set for their call +// operator. If they are compatible with the actual mocked signature, we +// shouldn't probe them with no arguments and trip a static_assert. +TEST(MockMethodTest, ActionSwallowsAllArguments) { + MockFunction<int(int)> mock; + EXPECT_CALL(mock, Call) + .WillOnce(StaticAssertSingleArgument{}) + .WillRepeatedly(StaticAssertSingleArgument{}); + + EXPECT_EQ(17, mock.AsStdFunction()(0)); + EXPECT_EQ(17, mock.AsStdFunction()(0)); +} + +struct ActionWithTemplatedConversionOperators { + template <typename... Args> + operator OnceAction<int(Args...)>() && { // NOLINT + return [] { return 17; }; + } + + template <typename... Args> + operator Action<int(Args...)>() const { // NOLINT + return [] { return 19; }; + } +}; + +// It should be fine to hand both WillOnce and WillRepeatedly a function that +// defines templated conversion operators to OnceAction and Action. WillOnce +// should prefer the OnceAction version. +TEST(MockMethodTest, ActionHasTemplatedConversionOperators) { + MockFunction<int()> mock; + EXPECT_CALL(mock, Call) + .WillOnce(ActionWithTemplatedConversionOperators{}) + .WillRepeatedly(ActionWithTemplatedConversionOperators{}); + + EXPECT_EQ(17, mock.AsStdFunction()()); + EXPECT_EQ(19, mock.AsStdFunction()()); +} // Tests for std::function based action. @@ -1356,12 +2051,12 @@ int Deref(std::unique_ptr<int> ptr) { return *ptr; } struct Double { template <typename T> - T operator()(T t) { return 2 * t; } + T operator()(T t) { + return 2 * t; + } }; -std::unique_ptr<int> UniqueInt(int i) { - return std::unique_ptr<int>(new int(i)); -} +std::unique_ptr<int> UniqueInt(int i) { return std::make_unique<int>(i); } TEST(FunctorActionTest, ActionFromFunction) { Action<int(int, int&, int*)> a = &Add; @@ -1408,14 +2103,26 @@ TEST(FunctorActionTest, TypeConversion) { EXPECT_EQ(1, s2.Perform(std::make_tuple("hello"))); // Also between the lambda and the action itself. - const Action<bool(std::string)> x = [](Unused) { return 42; }; - EXPECT_TRUE(x.Perform(std::make_tuple("hello"))); + const Action<bool(std::string)> x1 = [](Unused) { return 42; }; + const Action<bool(std::string)> x2 = [] { return 42; }; + EXPECT_TRUE(x1.Perform(std::make_tuple("hello"))); + EXPECT_TRUE(x2.Perform(std::make_tuple("hello"))); + + // Ensure decay occurs where required. + std::function<int()> f = [] { return 7; }; + Action<int(int)> d = f; + f = nullptr; + EXPECT_EQ(7, d.Perform(std::make_tuple(1))); + + // Ensure creation of an empty action succeeds. + Action<void(int)>(nullptr); } TEST(FunctorActionTest, UnusedArguments) { // Verify that users can ignore uninteresting arguments. - Action<int(int, double y, double z)> a = - [](int i, Unused, Unused) { return 2 * i; }; + Action<int(int, double y, double z)> a = [](int i, Unused, Unused) { + return 2 * i; + }; std::tuple<int, double, double> dummy = std::make_tuple(3, 7.3, 9.44); EXPECT_EQ(6, a.Perform(dummy)); } @@ -1434,12 +2141,29 @@ TEST(MoveOnlyArgumentsTest, ReturningActions) { EXPECT_EQ(x, 3); } +ACTION(ReturnArity) { return std::tuple_size<args_type>::value; } + +TEST(ActionMacro, LargeArity) { + EXPECT_EQ( + 1, testing::Action<int(int)>(ReturnArity()).Perform(std::make_tuple(0))); + EXPECT_EQ( + 10, + testing::Action<int(int, int, int, int, int, int, int, int, int, int)>( + ReturnArity()) + .Perform(std::make_tuple(0, 1, 2, 3, 4, 5, 6, 7, 8, 9))); + EXPECT_EQ( + 20, + testing::Action<int(int, int, int, int, int, int, int, int, int, int, int, + int, int, int, int, int, int, int, int, int)>( + ReturnArity()) + .Perform(std::make_tuple(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, + 14, 15, 16, 17, 18, 19))); +} -} // Unnamed namespace +} // namespace +} // namespace testing -#ifdef _MSC_VER -#if _MSC_VER == 1900 -# pragma warning(pop) -#endif +#if defined(_MSC_VER) && (_MSC_VER == 1900) +GTEST_DISABLE_MSC_WARNINGS_POP_() // 4800 #endif - +GTEST_DISABLE_MSC_WARNINGS_POP_() // 4100 4503 diff --git a/googlemock/test/gmock-cardinalities_test.cc b/googlemock/test/gmock-cardinalities_test.cc index ca97cae24924..ad49752e172d 100644 --- a/googlemock/test/gmock-cardinalities_test.cc +++ b/googlemock/test/gmock-cardinalities_test.cc @@ -27,14 +27,15 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - // Google Mock - a framework for writing C++ mock classes. // // This file tests the built-in cardinalities. +#include <ostream> + #include "gmock/gmock.h" -#include "gtest/gtest.h" #include "gtest/gtest-spi.h" +#include "gtest/gtest.h" namespace { @@ -51,17 +52,16 @@ using testing::MakeCardinality; class MockFoo { public: - MockFoo() {} + MockFoo() = default; MOCK_METHOD0(Bar, int()); // NOLINT private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo); + MockFoo(const MockFoo&) = delete; + MockFoo& operator=(const MockFoo&) = delete; }; // Tests that Cardinality objects can be default constructed. -TEST(CardinalityTest, IsDefaultConstructable) { - Cardinality c; -} +TEST(CardinalityTest, IsDefaultConstructable) { Cardinality c; } // Tests that Cardinality objects are copyable. TEST(CardinalityTest, IsCopyable) { @@ -119,8 +119,7 @@ TEST(AnyNumber, Works) { stringstream ss; c.DescribeTo(&ss); - EXPECT_PRED_FORMAT2(IsSubstring, "called any number of times", - ss.str()); + EXPECT_PRED_FORMAT2(IsSubstring, "called any number of times", ss.str()); } TEST(AnyNumberTest, HasCorrectBounds) { @@ -132,9 +131,11 @@ TEST(AnyNumberTest, HasCorrectBounds) { // Tests AtLeast(n). TEST(AtLeastTest, OnNegativeNumber) { - EXPECT_NONFATAL_FAILURE({ // NOLINT - AtLeast(-1); - }, "The invocation lower bound must be >= 0"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + AtLeast(-1); + }, + "The invocation lower bound must be >= 0"); } TEST(AtLeastTest, OnZero) { @@ -147,8 +148,7 @@ TEST(AtLeastTest, OnZero) { stringstream ss; c.DescribeTo(&ss); - EXPECT_PRED_FORMAT2(IsSubstring, "any number of times", - ss.str()); + EXPECT_PRED_FORMAT2(IsSubstring, "any number of times", ss.str()); } TEST(AtLeastTest, OnPositiveNumber) { @@ -164,18 +164,15 @@ TEST(AtLeastTest, OnPositiveNumber) { stringstream ss1; AtLeast(1).DescribeTo(&ss1); - EXPECT_PRED_FORMAT2(IsSubstring, "at least once", - ss1.str()); + EXPECT_PRED_FORMAT2(IsSubstring, "at least once", ss1.str()); stringstream ss2; c.DescribeTo(&ss2); - EXPECT_PRED_FORMAT2(IsSubstring, "at least twice", - ss2.str()); + EXPECT_PRED_FORMAT2(IsSubstring, "at least twice", ss2.str()); stringstream ss3; AtLeast(3).DescribeTo(&ss3); - EXPECT_PRED_FORMAT2(IsSubstring, "at least 3 times", - ss3.str()); + EXPECT_PRED_FORMAT2(IsSubstring, "at least 3 times", ss3.str()); } TEST(AtLeastTest, HasCorrectBounds) { @@ -187,9 +184,11 @@ TEST(AtLeastTest, HasCorrectBounds) { // Tests AtMost(n). TEST(AtMostTest, OnNegativeNumber) { - EXPECT_NONFATAL_FAILURE({ // NOLINT - AtMost(-1); - }, "The invocation upper bound must be >= 0"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + AtMost(-1); + }, + "The invocation upper bound must be >= 0"); } TEST(AtMostTest, OnZero) { @@ -202,8 +201,7 @@ TEST(AtMostTest, OnZero) { stringstream ss; c.DescribeTo(&ss); - EXPECT_PRED_FORMAT2(IsSubstring, "never called", - ss.str()); + EXPECT_PRED_FORMAT2(IsSubstring, "never called", ss.str()); } TEST(AtMostTest, OnPositiveNumber) { @@ -219,18 +217,15 @@ TEST(AtMostTest, OnPositiveNumber) { stringstream ss1; AtMost(1).DescribeTo(&ss1); - EXPECT_PRED_FORMAT2(IsSubstring, "called at most once", - ss1.str()); + EXPECT_PRED_FORMAT2(IsSubstring, "called at most once", ss1.str()); stringstream ss2; c.DescribeTo(&ss2); - EXPECT_PRED_FORMAT2(IsSubstring, "called at most twice", - ss2.str()); + EXPECT_PRED_FORMAT2(IsSubstring, "called at most twice", ss2.str()); stringstream ss3; AtMost(3).DescribeTo(&ss3); - EXPECT_PRED_FORMAT2(IsSubstring, "called at most 3 times", - ss3.str()); + EXPECT_PRED_FORMAT2(IsSubstring, "called at most 3 times", ss3.str()); } TEST(AtMostTest, HasCorrectBounds) { @@ -242,22 +237,28 @@ TEST(AtMostTest, HasCorrectBounds) { // Tests Between(m, n). TEST(BetweenTest, OnNegativeStart) { - EXPECT_NONFATAL_FAILURE({ // NOLINT - Between(-1, 2); - }, "The invocation lower bound must be >= 0, but is actually -1"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + Between(-1, 2); + }, + "The invocation lower bound must be >= 0, but is actually -1"); } TEST(BetweenTest, OnNegativeEnd) { - EXPECT_NONFATAL_FAILURE({ // NOLINT - Between(1, -2); - }, "The invocation upper bound must be >= 0, but is actually -2"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + Between(1, -2); + }, + "The invocation upper bound must be >= 0, but is actually -2"); } TEST(BetweenTest, OnStartBiggerThanEnd) { - EXPECT_NONFATAL_FAILURE({ // NOLINT - Between(2, 1); - }, "The invocation upper bound (1) must be >= " - "the invocation lower bound (2)"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + Between(2, 1); + }, + "The invocation upper bound (1) must be >= " + "the invocation lower bound (2)"); } TEST(BetweenTest, OnZeroStartAndZeroEnd) { @@ -271,8 +272,7 @@ TEST(BetweenTest, OnZeroStartAndZeroEnd) { stringstream ss; c.DescribeTo(&ss); - EXPECT_PRED_FORMAT2(IsSubstring, "never called", - ss.str()); + EXPECT_PRED_FORMAT2(IsSubstring, "never called", ss.str()); } TEST(BetweenTest, OnZeroStartAndNonZeroEnd) { @@ -289,8 +289,7 @@ TEST(BetweenTest, OnZeroStartAndNonZeroEnd) { stringstream ss; c.DescribeTo(&ss); - EXPECT_PRED_FORMAT2(IsSubstring, "called at most twice", - ss.str()); + EXPECT_PRED_FORMAT2(IsSubstring, "called at most twice", ss.str()); } TEST(BetweenTest, OnSameStartAndEnd) { @@ -307,8 +306,7 @@ TEST(BetweenTest, OnSameStartAndEnd) { stringstream ss; c.DescribeTo(&ss); - EXPECT_PRED_FORMAT2(IsSubstring, "called 3 times", - ss.str()); + EXPECT_PRED_FORMAT2(IsSubstring, "called 3 times", ss.str()); } TEST(BetweenTest, OnDifferentStartAndEnd) { @@ -328,8 +326,7 @@ TEST(BetweenTest, OnDifferentStartAndEnd) { stringstream ss; c.DescribeTo(&ss); - EXPECT_PRED_FORMAT2(IsSubstring, "called between 3 and 5 times", - ss.str()); + EXPECT_PRED_FORMAT2(IsSubstring, "called between 3 and 5 times", ss.str()); } TEST(BetweenTest, HasCorrectBounds) { @@ -341,9 +338,11 @@ TEST(BetweenTest, HasCorrectBounds) { // Tests Exactly(n). TEST(ExactlyTest, OnNegativeNumber) { - EXPECT_NONFATAL_FAILURE({ // NOLINT - Exactly(-1); - }, "The invocation lower bound must be >= 0"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + Exactly(-1); + }, + "The invocation lower bound must be >= 0"); } TEST(ExactlyTest, OnZero) { @@ -356,8 +355,7 @@ TEST(ExactlyTest, OnZero) { stringstream ss; c.DescribeTo(&ss); - EXPECT_PRED_FORMAT2(IsSubstring, "never called", - ss.str()); + EXPECT_PRED_FORMAT2(IsSubstring, "never called", ss.str()); } TEST(ExactlyTest, OnPositiveNumber) { @@ -370,18 +368,15 @@ TEST(ExactlyTest, OnPositiveNumber) { stringstream ss1; Exactly(1).DescribeTo(&ss1); - EXPECT_PRED_FORMAT2(IsSubstring, "called once", - ss1.str()); + EXPECT_PRED_FORMAT2(IsSubstring, "called once", ss1.str()); stringstream ss2; c.DescribeTo(&ss2); - EXPECT_PRED_FORMAT2(IsSubstring, "called twice", - ss2.str()); + EXPECT_PRED_FORMAT2(IsSubstring, "called twice", ss2.str()); stringstream ss3; Exactly(3).DescribeTo(&ss3); - EXPECT_PRED_FORMAT2(IsSubstring, "called 3 times", - ss3.str()); + EXPECT_PRED_FORMAT2(IsSubstring, "called 3 times", ss3.str()); } TEST(ExactlyTest, HasCorrectBounds) { diff --git a/googlemock/test/gmock-function-mocker_nc.cc b/googlemock/test/gmock-function-mocker_nc.cc deleted file mode 100644 index d38fe85ef035..000000000000 --- a/googlemock/test/gmock-function-mocker_nc.cc +++ /dev/null @@ -1,16 +0,0 @@ -#include "gmock/gmock.h" - -#include <memory> -#include <string> - -#if defined(TEST_MOCK_METHOD_INVALID_CONST_SPEC) - -struct Base { - MOCK_METHOD(int, F, (), (onst)); -}; - -#else - -// Sanity check - this should compile. - -#endif diff --git a/googlemock/test/gmock-function-mocker_nc_test.py b/googlemock/test/gmock-function-mocker_nc_test.py deleted file mode 100644 index 8ef6e09fa2b9..000000000000 --- a/googlemock/test/gmock-function-mocker_nc_test.py +++ /dev/null @@ -1,43 +0,0 @@ -"""Negative compilation tests for Google Mock macro MOCK_METHOD.""" - -import os -import sys - -IS_LINUX = os.name == "posix" and os.uname()[0] == "Linux" -if not IS_LINUX: - sys.stderr.write( - "WARNING: Negative compilation tests are not supported on this platform") - sys.exit(0) - -# Suppresses the 'Import not at the top of the file' lint complaint. -# pylint: disable-msg=C6204 -from google3.testing.pybase import fake_target_util -from google3.testing.pybase import googletest - -# pylint: enable-msg=C6204 - - -class GMockMethodNCTest(googletest.TestCase): - """Negative compilation tests for MOCK_METHOD.""" - - # The class body is intentionally empty. The actual test*() methods - # will be defined at run time by a call to - # DefineNegativeCompilationTests() later. - pass - - -# Defines a list of test specs, where each element is a tuple -# (test name, list of regexes for matching the compiler errors). -TEST_SPECS = [ - ("MOCK_METHOD_INVALID_CONST_SPEC", - [r"onst cannot be recognized as a valid specification modifier"]), -] - -# Define a test method in GMockNCTest for each element in TEST_SPECS. -fake_target_util.DefineNegativeCompilationTests( - GMockMethodNCTest, - "google3/third_party/googletest/googlemock/test/gmock-function-mocker_nc", - "gmock-function-mocker_nc.o", TEST_SPECS) - -if __name__ == "__main__": - googletest.main() diff --git a/googlemock/test/gmock-function-mocker_test.cc b/googlemock/test/gmock-function-mocker_test.cc index fbc5d5b2bb97..f7b31ae33852 100644 --- a/googlemock/test/gmock-function-mocker_test.cc +++ b/googlemock/test/gmock-function-mocker_test.cc @@ -27,21 +27,26 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - // Google Mock - a framework for writing C++ mock classes. // // This file tests the function mocker classes. -#include "gmock/gmock-generated-function-mockers.h" +#include "gmock/gmock-function-mocker.h" + +// Silence C4503 (decorated name length exceeded) for MSVC. +GTEST_DISABLE_MSC_WARNINGS_PUSH_(4503) -#if GTEST_OS_WINDOWS +#ifdef GTEST_OS_WINDOWS // MSDN says the header file to be included for STDMETHOD is BaseTyps.h but // we are getting compiler errors if we use basetyps.h, hence including // objbase.h for definition of STDMETHOD. -# include <objbase.h> +#include <objbase.h> #endif // GTEST_OS_WINDOWS +#include <functional> #include <map> #include <string> +#include <type_traits> + #include "gmock/gmock.h" #include "gtest/gtest.h" @@ -62,10 +67,10 @@ using testing::Return; using testing::ReturnRef; using testing::TypedEq; -template<typename T> +template <typename T> class TemplatedCopyable { public: - TemplatedCopyable() {} + TemplatedCopyable() = default; template <typename U> TemplatedCopyable(const U& other) {} // NOLINT @@ -73,13 +78,13 @@ class TemplatedCopyable { class FooInterface { public: - virtual ~FooInterface() {} + virtual ~FooInterface() = default; virtual void VoidReturning(int x) = 0; virtual int Nullary() = 0; virtual bool Unary(int x) = 0; - virtual long Binary(short x, int y) = 0; // NOLINT + virtual long Binary(short x, int y) = 0; // NOLINT virtual int Decimal(bool b, char c, short d, int e, long f, // NOLINT float g, double h, unsigned i, char* j, const std::string& k) = 0; @@ -101,7 +106,21 @@ class FooInterface { virtual int TypeWithComma(const std::map<int, std::string>& a_map) = 0; virtual int TypeWithTemplatedCopyCtor(const TemplatedCopyable<int>&) = 0; -#if GTEST_OS_WINDOWS + virtual int (*ReturnsFunctionPointer1(int))(bool) = 0; + using fn_ptr = int (*)(bool); + virtual fn_ptr ReturnsFunctionPointer2(int) = 0; + + virtual int RefQualifiedConstRef() const& = 0; + virtual int RefQualifiedConstRefRef() const&& = 0; + virtual int RefQualifiedRef() & = 0; + virtual int RefQualifiedRefRef() && = 0; + + virtual int RefQualifiedOverloaded() const& = 0; + virtual int RefQualifiedOverloaded() const&& = 0; + virtual int RefQualifiedOverloaded() & = 0; + virtual int RefQualifiedOverloaded() && = 0; + +#ifdef GTEST_OS_WINDOWS STDMETHOD_(int, CTNullary)() = 0; STDMETHOD_(bool, CTUnary)(int x) = 0; STDMETHOD_(int, CTDecimal) @@ -115,13 +134,10 @@ class FooInterface { // significant in determining whether two virtual functions had the same // signature. This was fixed in Visual Studio 2008. However, the compiler // still emits a warning that alerts about this change in behavior. -#ifdef _MSC_VER -# pragma warning(push) -# pragma warning(disable : 4373) -#endif +GTEST_DISABLE_MSC_WARNINGS_PUSH_(4373) class MockFoo : public FooInterface { public: - MockFoo() {} + MockFoo() = default; // Makes sure that a mock function parameter can be named. MOCK_METHOD(void, VoidReturning, (int n)); // NOLINT @@ -159,7 +175,10 @@ class MockFoo : public FooInterface { MOCK_METHOD(int, TypeWithTemplatedCopyCtor, (const TemplatedCopyable<int>&)); // NOLINT -#if GTEST_OS_WINDOWS + MOCK_METHOD(int (*)(bool), ReturnsFunctionPointer1, (int), ()); + MOCK_METHOD(fn_ptr, ReturnsFunctionPointer2, (int), ()); + +#ifdef GTEST_OS_WINDOWS MOCK_METHOD(int, CTNullary, (), (Calltype(STDMETHODCALLTYPE))); MOCK_METHOD(bool, CTUnary, (int), (Calltype(STDMETHODCALLTYPE))); MOCK_METHOD(int, CTDecimal, @@ -171,213 +190,340 @@ class MockFoo : public FooInterface { (Calltype(STDMETHODCALLTYPE))); #endif // GTEST_OS_WINDOWS + // Test reference qualified functions. + MOCK_METHOD(int, RefQualifiedConstRef, (), (const, ref(&), override)); + MOCK_METHOD(int, RefQualifiedConstRefRef, (), (const, ref(&&), override)); + MOCK_METHOD(int, RefQualifiedRef, (), (ref(&), override)); + MOCK_METHOD(int, RefQualifiedRefRef, (), (ref(&&), override)); + + MOCK_METHOD(int, RefQualifiedOverloaded, (), (const, ref(&), override)); + MOCK_METHOD(int, RefQualifiedOverloaded, (), (const, ref(&&), override)); + MOCK_METHOD(int, RefQualifiedOverloaded, (), (ref(&), override)); + MOCK_METHOD(int, RefQualifiedOverloaded, (), (ref(&&), override)); + private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo); + MockFoo(const MockFoo&) = delete; + MockFoo& operator=(const MockFoo&) = delete; }; -#ifdef _MSC_VER -# pragma warning(pop) -#endif -class MockMethodFunctionMockerTest : public testing::Test { +class LegacyMockFoo : public FooInterface { + public: + LegacyMockFoo() = default; + + // Makes sure that a mock function parameter can be named. + MOCK_METHOD1(VoidReturning, void(int n)); // NOLINT + + MOCK_METHOD0(Nullary, int()); // NOLINT + + // Makes sure that a mock function parameter can be unnamed. + MOCK_METHOD1(Unary, bool(int)); // NOLINT + MOCK_METHOD2(Binary, long(short, int)); // NOLINT + MOCK_METHOD10(Decimal, int(bool, char, short, int, long, float, // NOLINT + double, unsigned, char*, const std::string& str)); + + MOCK_METHOD1(TakesNonConstReference, bool(int&)); // NOLINT + MOCK_METHOD1(TakesConstReference, std::string(const int&)); + MOCK_METHOD1(TakesConst, bool(const int)); // NOLINT + + // Tests that the function return type can contain unprotected comma. + MOCK_METHOD0(ReturnTypeWithComma, std::map<int, std::string>()); + MOCK_CONST_METHOD1(ReturnTypeWithComma, + std::map<int, std::string>(int)); // NOLINT + + MOCK_METHOD0(OverloadedOnArgumentNumber, int()); // NOLINT + MOCK_METHOD1(OverloadedOnArgumentNumber, int(int)); // NOLINT + + MOCK_METHOD1(OverloadedOnArgumentType, int(int)); // NOLINT + MOCK_METHOD1(OverloadedOnArgumentType, char(char)); // NOLINT + + MOCK_METHOD0(OverloadedOnConstness, int()); // NOLINT + MOCK_CONST_METHOD0(OverloadedOnConstness, char()); // NOLINT + + MOCK_METHOD1(TypeWithHole, int(int (*)())); // NOLINT + MOCK_METHOD1(TypeWithComma, + int(const std::map<int, std::string>&)); // NOLINT + MOCK_METHOD1(TypeWithTemplatedCopyCtor, + int(const TemplatedCopyable<int>&)); // NOLINT + + MOCK_METHOD1(ReturnsFunctionPointer1, int (*(int))(bool)); + MOCK_METHOD1(ReturnsFunctionPointer2, fn_ptr(int)); + +#ifdef GTEST_OS_WINDOWS + MOCK_METHOD0_WITH_CALLTYPE(STDMETHODCALLTYPE, CTNullary, int()); + MOCK_METHOD1_WITH_CALLTYPE(STDMETHODCALLTYPE, CTUnary, bool(int)); // NOLINT + MOCK_METHOD10_WITH_CALLTYPE(STDMETHODCALLTYPE, CTDecimal, + int(bool b, char c, short d, int e, // NOLINT + long f, float g, double h, // NOLINT + unsigned i, char* j, const std::string& k)); + MOCK_CONST_METHOD1_WITH_CALLTYPE(STDMETHODCALLTYPE, CTConst, + char(int)); // NOLINT + + // Tests that the function return type can contain unprotected comma. + MOCK_METHOD0_WITH_CALLTYPE(STDMETHODCALLTYPE, CTReturnTypeWithComma, + std::map<int, std::string>()); +#endif // GTEST_OS_WINDOWS + + // We can't mock these with the old macros, but we need to define them to make + // it concrete. + int RefQualifiedConstRef() const& override { return 0; } + int RefQualifiedConstRefRef() const&& override { return 0; } + int RefQualifiedRef() & override { return 0; } + int RefQualifiedRefRef() && override { return 0; } + int RefQualifiedOverloaded() const& override { return 0; } + int RefQualifiedOverloaded() const&& override { return 0; } + int RefQualifiedOverloaded() & override { return 0; } + int RefQualifiedOverloaded() && override { return 0; } + + private: + LegacyMockFoo(const LegacyMockFoo&) = delete; + LegacyMockFoo& operator=(const LegacyMockFoo&) = delete; +}; + +GTEST_DISABLE_MSC_WARNINGS_POP_() // 4373 + +template <class T> +class FunctionMockerTest : public testing::Test { protected: - MockMethodFunctionMockerTest() : foo_(&mock_foo_) {} + FunctionMockerTest() : foo_(&mock_foo_) {} FooInterface* const foo_; - MockFoo mock_foo_; + T mock_foo_; }; +using FunctionMockerTestTypes = ::testing::Types<MockFoo, LegacyMockFoo>; +TYPED_TEST_SUITE(FunctionMockerTest, FunctionMockerTestTypes); // Tests mocking a void-returning function. -TEST_F(MockMethodFunctionMockerTest, MocksVoidFunction) { - EXPECT_CALL(mock_foo_, VoidReturning(Lt(100))); - foo_->VoidReturning(0); +TYPED_TEST(FunctionMockerTest, MocksVoidFunction) { + EXPECT_CALL(this->mock_foo_, VoidReturning(Lt(100))); + this->foo_->VoidReturning(0); } // Tests mocking a nullary function. -TEST_F(MockMethodFunctionMockerTest, MocksNullaryFunction) { - EXPECT_CALL(mock_foo_, Nullary()) +TYPED_TEST(FunctionMockerTest, MocksNullaryFunction) { + EXPECT_CALL(this->mock_foo_, Nullary()) .WillOnce(DoDefault()) .WillOnce(Return(1)); - EXPECT_EQ(0, foo_->Nullary()); - EXPECT_EQ(1, foo_->Nullary()); + EXPECT_EQ(0, this->foo_->Nullary()); + EXPECT_EQ(1, this->foo_->Nullary()); } // Tests mocking a unary function. -TEST_F(MockMethodFunctionMockerTest, MocksUnaryFunction) { - EXPECT_CALL(mock_foo_, Unary(Eq(2))) - .Times(2) - .WillOnce(Return(true)); +TYPED_TEST(FunctionMockerTest, MocksUnaryFunction) { + EXPECT_CALL(this->mock_foo_, Unary(Eq(2))).Times(2).WillOnce(Return(true)); - EXPECT_TRUE(foo_->Unary(2)); - EXPECT_FALSE(foo_->Unary(2)); + EXPECT_TRUE(this->foo_->Unary(2)); + EXPECT_FALSE(this->foo_->Unary(2)); } // Tests mocking a binary function. -TEST_F(MockMethodFunctionMockerTest, MocksBinaryFunction) { - EXPECT_CALL(mock_foo_, Binary(2, _)) - .WillOnce(Return(3)); +TYPED_TEST(FunctionMockerTest, MocksBinaryFunction) { + EXPECT_CALL(this->mock_foo_, Binary(2, _)).WillOnce(Return(3)); - EXPECT_EQ(3, foo_->Binary(2, 1)); + EXPECT_EQ(3, this->foo_->Binary(2, 1)); } // Tests mocking a decimal function. -TEST_F(MockMethodFunctionMockerTest, MocksDecimalFunction) { - EXPECT_CALL(mock_foo_, Decimal(true, 'a', 0, 0, 1L, A<float>(), - Lt(100), 5U, NULL, "hi")) +TYPED_TEST(FunctionMockerTest, MocksDecimalFunction) { + EXPECT_CALL(this->mock_foo_, + Decimal(true, 'a', 0, 0, 1L, A<float>(), Lt(100), 5U, NULL, "hi")) .WillOnce(Return(5)); - EXPECT_EQ(5, foo_->Decimal(true, 'a', 0, 0, 1, 0, 0, 5, nullptr, "hi")); + EXPECT_EQ(5, this->foo_->Decimal(true, 'a', 0, 0, 1, 0, 0, 5, nullptr, "hi")); } // Tests mocking a function that takes a non-const reference. -TEST_F(MockMethodFunctionMockerTest, - MocksFunctionWithNonConstReferenceArgument) { +TYPED_TEST(FunctionMockerTest, MocksFunctionWithNonConstReferenceArgument) { int a = 0; - EXPECT_CALL(mock_foo_, TakesNonConstReference(Ref(a))) + EXPECT_CALL(this->mock_foo_, TakesNonConstReference(Ref(a))) .WillOnce(Return(true)); - EXPECT_TRUE(foo_->TakesNonConstReference(a)); + EXPECT_TRUE(this->foo_->TakesNonConstReference(a)); } // Tests mocking a function that takes a const reference. -TEST_F(MockMethodFunctionMockerTest, MocksFunctionWithConstReferenceArgument) { +TYPED_TEST(FunctionMockerTest, MocksFunctionWithConstReferenceArgument) { int a = 0; - EXPECT_CALL(mock_foo_, TakesConstReference(Ref(a))) + EXPECT_CALL(this->mock_foo_, TakesConstReference(Ref(a))) .WillOnce(Return("Hello")); - EXPECT_EQ("Hello", foo_->TakesConstReference(a)); + EXPECT_EQ("Hello", this->foo_->TakesConstReference(a)); } // Tests mocking a function that takes a const variable. -TEST_F(MockMethodFunctionMockerTest, MocksFunctionWithConstArgument) { - EXPECT_CALL(mock_foo_, TakesConst(Lt(10))) - .WillOnce(DoDefault()); +TYPED_TEST(FunctionMockerTest, MocksFunctionWithConstArgument) { + EXPECT_CALL(this->mock_foo_, TakesConst(Lt(10))).WillOnce(DoDefault()); - EXPECT_FALSE(foo_->TakesConst(5)); + EXPECT_FALSE(this->foo_->TakesConst(5)); } // Tests mocking functions overloaded on the number of arguments. -TEST_F(MockMethodFunctionMockerTest, MocksFunctionsOverloadedOnArgumentNumber) { - EXPECT_CALL(mock_foo_, OverloadedOnArgumentNumber()) +TYPED_TEST(FunctionMockerTest, MocksFunctionsOverloadedOnArgumentNumber) { + EXPECT_CALL(this->mock_foo_, OverloadedOnArgumentNumber()) .WillOnce(Return(1)); - EXPECT_CALL(mock_foo_, OverloadedOnArgumentNumber(_)) + EXPECT_CALL(this->mock_foo_, OverloadedOnArgumentNumber(_)) .WillOnce(Return(2)); - EXPECT_EQ(2, foo_->OverloadedOnArgumentNumber(1)); - EXPECT_EQ(1, foo_->OverloadedOnArgumentNumber()); + EXPECT_EQ(2, this->foo_->OverloadedOnArgumentNumber(1)); + EXPECT_EQ(1, this->foo_->OverloadedOnArgumentNumber()); } // Tests mocking functions overloaded on the types of argument. -TEST_F(MockMethodFunctionMockerTest, MocksFunctionsOverloadedOnArgumentType) { - EXPECT_CALL(mock_foo_, OverloadedOnArgumentType(An<int>())) +TYPED_TEST(FunctionMockerTest, MocksFunctionsOverloadedOnArgumentType) { + EXPECT_CALL(this->mock_foo_, OverloadedOnArgumentType(An<int>())) .WillOnce(Return(1)); - EXPECT_CALL(mock_foo_, OverloadedOnArgumentType(TypedEq<char>('a'))) + EXPECT_CALL(this->mock_foo_, OverloadedOnArgumentType(TypedEq<char>('a'))) .WillOnce(Return('b')); - EXPECT_EQ(1, foo_->OverloadedOnArgumentType(0)); - EXPECT_EQ('b', foo_->OverloadedOnArgumentType('a')); + EXPECT_EQ(1, this->foo_->OverloadedOnArgumentType(0)); + EXPECT_EQ('b', this->foo_->OverloadedOnArgumentType('a')); } // Tests mocking functions overloaded on the const-ness of this object. -TEST_F(MockMethodFunctionMockerTest, - MocksFunctionsOverloadedOnConstnessOfThis) { - EXPECT_CALL(mock_foo_, OverloadedOnConstness()); - EXPECT_CALL(Const(mock_foo_), OverloadedOnConstness()) +TYPED_TEST(FunctionMockerTest, MocksFunctionsOverloadedOnConstnessOfThis) { + EXPECT_CALL(this->mock_foo_, OverloadedOnConstness()); + EXPECT_CALL(Const(this->mock_foo_), OverloadedOnConstness()) .WillOnce(Return('a')); - EXPECT_EQ(0, foo_->OverloadedOnConstness()); - EXPECT_EQ('a', Const(*foo_).OverloadedOnConstness()); + EXPECT_EQ(0, this->foo_->OverloadedOnConstness()); + EXPECT_EQ('a', Const(*this->foo_).OverloadedOnConstness()); } -TEST_F(MockMethodFunctionMockerTest, MocksReturnTypeWithComma) { +TYPED_TEST(FunctionMockerTest, MocksReturnTypeWithComma) { const std::map<int, std::string> a_map; - EXPECT_CALL(mock_foo_, ReturnTypeWithComma()) - .WillOnce(Return(a_map)); - EXPECT_CALL(mock_foo_, ReturnTypeWithComma(42)) - .WillOnce(Return(a_map)); + EXPECT_CALL(this->mock_foo_, ReturnTypeWithComma()).WillOnce(Return(a_map)); + EXPECT_CALL(this->mock_foo_, ReturnTypeWithComma(42)).WillOnce(Return(a_map)); - EXPECT_EQ(a_map, mock_foo_.ReturnTypeWithComma()); - EXPECT_EQ(a_map, mock_foo_.ReturnTypeWithComma(42)); + EXPECT_EQ(a_map, this->mock_foo_.ReturnTypeWithComma()); + EXPECT_EQ(a_map, this->mock_foo_.ReturnTypeWithComma(42)); } -TEST_F(MockMethodFunctionMockerTest, MocksTypeWithTemplatedCopyCtor) { - EXPECT_CALL(mock_foo_, TypeWithTemplatedCopyCtor(_)).WillOnce(Return(true)); - EXPECT_TRUE(foo_->TypeWithTemplatedCopyCtor(TemplatedCopyable<int>())); +TYPED_TEST(FunctionMockerTest, MocksTypeWithTemplatedCopyCtor) { + EXPECT_CALL(this->mock_foo_, TypeWithTemplatedCopyCtor(_)) + .WillOnce(Return(true)); + EXPECT_TRUE(this->foo_->TypeWithTemplatedCopyCtor(TemplatedCopyable<int>())); } -#if GTEST_OS_WINDOWS +#ifdef GTEST_OS_WINDOWS // Tests mocking a nullary function with calltype. -TEST_F(MockMethodFunctionMockerTest, MocksNullaryFunctionWithCallType) { - EXPECT_CALL(mock_foo_, CTNullary()) +TYPED_TEST(FunctionMockerTest, MocksNullaryFunctionWithCallType) { + EXPECT_CALL(this->mock_foo_, CTNullary()) .WillOnce(Return(-1)) .WillOnce(Return(0)); - EXPECT_EQ(-1, foo_->CTNullary()); - EXPECT_EQ(0, foo_->CTNullary()); + EXPECT_EQ(-1, this->foo_->CTNullary()); + EXPECT_EQ(0, this->foo_->CTNullary()); } // Tests mocking a unary function with calltype. -TEST_F(MockMethodFunctionMockerTest, MocksUnaryFunctionWithCallType) { - EXPECT_CALL(mock_foo_, CTUnary(Eq(2))) +TYPED_TEST(FunctionMockerTest, MocksUnaryFunctionWithCallType) { + EXPECT_CALL(this->mock_foo_, CTUnary(Eq(2))) .Times(2) .WillOnce(Return(true)) .WillOnce(Return(false)); - EXPECT_TRUE(foo_->CTUnary(2)); - EXPECT_FALSE(foo_->CTUnary(2)); + EXPECT_TRUE(this->foo_->CTUnary(2)); + EXPECT_FALSE(this->foo_->CTUnary(2)); } // Tests mocking a decimal function with calltype. -TEST_F(MockMethodFunctionMockerTest, MocksDecimalFunctionWithCallType) { - EXPECT_CALL(mock_foo_, CTDecimal(true, 'a', 0, 0, 1L, A<float>(), - Lt(100), 5U, NULL, "hi")) +TYPED_TEST(FunctionMockerTest, MocksDecimalFunctionWithCallType) { + EXPECT_CALL(this->mock_foo_, CTDecimal(true, 'a', 0, 0, 1L, A<float>(), + Lt(100), 5U, NULL, "hi")) .WillOnce(Return(10)); - EXPECT_EQ(10, foo_->CTDecimal(true, 'a', 0, 0, 1, 0, 0, 5, NULL, "hi")); + EXPECT_EQ(10, this->foo_->CTDecimal(true, 'a', 0, 0, 1, 0, 0, 5, NULL, "hi")); } // Tests mocking functions overloaded on the const-ness of this object. -TEST_F(MockMethodFunctionMockerTest, MocksFunctionsConstFunctionWithCallType) { - EXPECT_CALL(Const(mock_foo_), CTConst(_)) - .WillOnce(Return('a')); +TYPED_TEST(FunctionMockerTest, MocksFunctionsConstFunctionWithCallType) { + EXPECT_CALL(Const(this->mock_foo_), CTConst(_)).WillOnce(Return('a')); - EXPECT_EQ('a', Const(*foo_).CTConst(0)); + EXPECT_EQ('a', Const(*this->foo_).CTConst(0)); } -TEST_F(MockMethodFunctionMockerTest, MocksReturnTypeWithCommaAndCallType) { +TYPED_TEST(FunctionMockerTest, MocksReturnTypeWithCommaAndCallType) { const std::map<int, std::string> a_map; - EXPECT_CALL(mock_foo_, CTReturnTypeWithComma()) - .WillOnce(Return(a_map)); + EXPECT_CALL(this->mock_foo_, CTReturnTypeWithComma()).WillOnce(Return(a_map)); - EXPECT_EQ(a_map, mock_foo_.CTReturnTypeWithComma()); + EXPECT_EQ(a_map, this->mock_foo_.CTReturnTypeWithComma()); } #endif // GTEST_OS_WINDOWS +TEST(FunctionMockerTest, RefQualified) { + MockFoo mock_foo; + + EXPECT_CALL(mock_foo, RefQualifiedConstRef).WillOnce(Return(1)); + EXPECT_CALL(std::move(mock_foo), // NOLINT + RefQualifiedConstRefRef) + .WillOnce(Return(2)); + EXPECT_CALL(mock_foo, RefQualifiedRef).WillOnce(Return(3)); + EXPECT_CALL(std::move(mock_foo), // NOLINT + RefQualifiedRefRef) + .WillOnce(Return(4)); + + EXPECT_CALL(static_cast<const MockFoo&>(mock_foo), RefQualifiedOverloaded()) + .WillOnce(Return(5)); + EXPECT_CALL(static_cast<const MockFoo&&>(mock_foo), RefQualifiedOverloaded()) + .WillOnce(Return(6)); + EXPECT_CALL(static_cast<MockFoo&>(mock_foo), RefQualifiedOverloaded()) + .WillOnce(Return(7)); + EXPECT_CALL(static_cast<MockFoo&&>(mock_foo), RefQualifiedOverloaded()) + .WillOnce(Return(8)); + + EXPECT_EQ(mock_foo.RefQualifiedConstRef(), 1); + EXPECT_EQ(std::move(mock_foo).RefQualifiedConstRefRef(), 2); // NOLINT + EXPECT_EQ(mock_foo.RefQualifiedRef(), 3); + EXPECT_EQ(std::move(mock_foo).RefQualifiedRefRef(), 4); // NOLINT + + EXPECT_EQ(std::cref(mock_foo).get().RefQualifiedOverloaded(), 5); + EXPECT_EQ(std::move(std::cref(mock_foo).get()) // NOLINT + .RefQualifiedOverloaded(), + 6); + EXPECT_EQ(mock_foo.RefQualifiedOverloaded(), 7); + EXPECT_EQ(std::move(mock_foo).RefQualifiedOverloaded(), 8); // NOLINT +} + class MockB { public: - MockB() {} + MockB() = default; MOCK_METHOD(void, DoB, ()); private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockB); + MockB(const MockB&) = delete; + MockB& operator=(const MockB&) = delete; }; +class LegacyMockB { + public: + LegacyMockB() = default; + + MOCK_METHOD0(DoB, void()); + + private: + LegacyMockB(const LegacyMockB&) = delete; + LegacyMockB& operator=(const LegacyMockB&) = delete; +}; + +template <typename T> +class ExpectCallTest : public ::testing::Test {}; +using ExpectCallTestTypes = ::testing::Types<MockB, LegacyMockB>; +TYPED_TEST_SUITE(ExpectCallTest, ExpectCallTestTypes); + // Tests that functions with no EXPECT_CALL() rules can be called any // number of times. -TEST(MockMethodExpectCallTest, UnmentionedFunctionCanBeCalledAnyNumberOfTimes) { - { - MockB b; - } +TYPED_TEST(ExpectCallTest, UnmentionedFunctionCanBeCalledAnyNumberOfTimes) { + { TypeParam b; } { - MockB b; + TypeParam b; b.DoB(); } { - MockB b; + TypeParam b; b.DoB(); b.DoB(); } @@ -388,7 +534,7 @@ TEST(MockMethodExpectCallTest, UnmentionedFunctionCanBeCalledAnyNumberOfTimes) { template <typename T> class StackInterface { public: - virtual ~StackInterface() {} + virtual ~StackInterface() = default; // Template parameter appears in function parameter. virtual void Push(const T& value) = 0; @@ -401,7 +547,7 @@ class StackInterface { template <typename T> class MockStack : public StackInterface<T> { public: - MockStack() {} + MockStack() = default; MOCK_METHOD(void, Push, (const T& elem), ()); MOCK_METHOD(void, Pop, (), (final)); @@ -413,12 +559,38 @@ class MockStack : public StackInterface<T> { MOCK_METHOD((std::map<int, int>), ReturnTypeWithComma, (int), (const)); private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockStack); + MockStack(const MockStack&) = delete; + MockStack& operator=(const MockStack&) = delete; +}; + +template <typename T> +class LegacyMockStack : public StackInterface<T> { + public: + LegacyMockStack() = default; + + MOCK_METHOD1_T(Push, void(const T& elem)); + MOCK_METHOD0_T(Pop, void()); + MOCK_CONST_METHOD0_T(GetSize, int()); // NOLINT + MOCK_CONST_METHOD0_T(GetTop, const T&()); + + // Tests that the function return type can contain unprotected comma. + MOCK_METHOD0_T(ReturnTypeWithComma, std::map<int, int>()); + MOCK_CONST_METHOD1_T(ReturnTypeWithComma, std::map<int, int>(int)); // NOLINT + + private: + LegacyMockStack(const LegacyMockStack&) = delete; + LegacyMockStack& operator=(const LegacyMockStack&) = delete; }; +template <typename T> +class TemplateMockTest : public ::testing::Test {}; +using TemplateMockTestTypes = + ::testing::Types<MockStack<int>, LegacyMockStack<int>>; +TYPED_TEST_SUITE(TemplateMockTest, TemplateMockTestTypes); + // Tests that template mock works. -TEST(MockMethodTemplateMockTest, Works) { - MockStack<int> mock; +TYPED_TEST(TemplateMockTest, Works) { + TypeParam mock; EXPECT_CALL(mock, GetSize()) .WillOnce(Return(0)) @@ -426,10 +598,8 @@ TEST(MockMethodTemplateMockTest, Works) { .WillOnce(Return(0)); EXPECT_CALL(mock, Push(_)); int n = 5; - EXPECT_CALL(mock, GetTop()) - .WillOnce(ReturnRef(n)); - EXPECT_CALL(mock, Pop()) - .Times(AnyNumber()); + EXPECT_CALL(mock, GetTop()).WillOnce(ReturnRef(n)); + EXPECT_CALL(mock, Pop()).Times(AnyNumber()); EXPECT_EQ(0, mock.GetSize()); mock.Push(5); @@ -439,20 +609,18 @@ TEST(MockMethodTemplateMockTest, Works) { EXPECT_EQ(0, mock.GetSize()); } -TEST(MockMethodTemplateMockTest, MethodWithCommaInReturnTypeWorks) { - MockStack<int> mock; +TYPED_TEST(TemplateMockTest, MethodWithCommaInReturnTypeWorks) { + TypeParam mock; const std::map<int, int> a_map; - EXPECT_CALL(mock, ReturnTypeWithComma()) - .WillOnce(Return(a_map)); - EXPECT_CALL(mock, ReturnTypeWithComma(1)) - .WillOnce(Return(a_map)); + EXPECT_CALL(mock, ReturnTypeWithComma()).WillOnce(Return(a_map)); + EXPECT_CALL(mock, ReturnTypeWithComma(1)).WillOnce(Return(a_map)); EXPECT_EQ(a_map, mock.ReturnTypeWithComma()); EXPECT_EQ(a_map, mock.ReturnTypeWithComma(1)); } -#if GTEST_OS_WINDOWS +#ifdef GTEST_OS_WINDOWS // Tests mocking template interfaces with calltype. template <typename T> @@ -481,12 +649,37 @@ class MockStackWithCallType : public StackInterfaceWithCallType<T> { (Calltype(STDMETHODCALLTYPE), override, const)); private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockStackWithCallType); + MockStackWithCallType(const MockStackWithCallType&) = delete; + MockStackWithCallType& operator=(const MockStackWithCallType&) = delete; }; +template <typename T> +class LegacyMockStackWithCallType : public StackInterfaceWithCallType<T> { + public: + LegacyMockStackWithCallType() {} + + MOCK_METHOD1_T_WITH_CALLTYPE(STDMETHODCALLTYPE, Push, void(const T& elem)); + MOCK_METHOD0_T_WITH_CALLTYPE(STDMETHODCALLTYPE, Pop, void()); + MOCK_CONST_METHOD0_T_WITH_CALLTYPE(STDMETHODCALLTYPE, GetSize, int()); + MOCK_CONST_METHOD0_T_WITH_CALLTYPE(STDMETHODCALLTYPE, GetTop, const T&()); + + private: + LegacyMockStackWithCallType(const LegacyMockStackWithCallType&) = delete; + LegacyMockStackWithCallType& operator=(const LegacyMockStackWithCallType&) = + delete; +}; + +template <typename T> +class TemplateMockTestWithCallType : public ::testing::Test {}; +using TemplateMockTestWithCallTypeTypes = + ::testing::Types<MockStackWithCallType<int>, + LegacyMockStackWithCallType<int>>; +TYPED_TEST_SUITE(TemplateMockTestWithCallType, + TemplateMockTestWithCallTypeTypes); + // Tests that template mock with calltype works. -TEST(MockMethodTemplateMockTestWithCallType, Works) { - MockStackWithCallType<int> mock; +TYPED_TEST(TemplateMockTestWithCallType, Works) { + TypeParam mock; EXPECT_CALL(mock, GetSize()) .WillOnce(Return(0)) @@ -494,10 +687,8 @@ TEST(MockMethodTemplateMockTestWithCallType, Works) { .WillOnce(Return(0)); EXPECT_CALL(mock, Push(_)); int n = 5; - EXPECT_CALL(mock, GetTop()) - .WillOnce(ReturnRef(n)); - EXPECT_CALL(mock, Pop()) - .Times(AnyNumber()); + EXPECT_CALL(mock, GetTop()).WillOnce(ReturnRef(n)); + EXPECT_CALL(mock, Pop()).Times(AnyNumber()); EXPECT_EQ(0, mock.GetSize()); mock.Push(5); @@ -513,18 +704,45 @@ TEST(MockMethodTemplateMockTestWithCallType, Works) { MOCK_METHOD(int, Overloaded, (int), (const)); \ MOCK_METHOD(bool, Overloaded, (bool f, int n)) +#define LEGACY_MY_MOCK_METHODS1_ \ + MOCK_METHOD0(Overloaded, void()); \ + MOCK_CONST_METHOD1(Overloaded, int(int n)); \ + MOCK_METHOD2(Overloaded, bool(bool f, int n)) + class MockOverloadedOnArgNumber { public: - MockOverloadedOnArgNumber() {} + MockOverloadedOnArgNumber() = default; MY_MOCK_METHODS1_; private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockOverloadedOnArgNumber); + MockOverloadedOnArgNumber(const MockOverloadedOnArgNumber&) = delete; + MockOverloadedOnArgNumber& operator=(const MockOverloadedOnArgNumber&) = + delete; +}; + +class LegacyMockOverloadedOnArgNumber { + public: + LegacyMockOverloadedOnArgNumber() = default; + + LEGACY_MY_MOCK_METHODS1_; + + private: + LegacyMockOverloadedOnArgNumber(const LegacyMockOverloadedOnArgNumber&) = + delete; + LegacyMockOverloadedOnArgNumber& operator=( + const LegacyMockOverloadedOnArgNumber&) = delete; }; -TEST(MockMethodOverloadedMockMethodTest, CanOverloadOnArgNumberInMacroBody) { - MockOverloadedOnArgNumber mock; +template <typename T> +class OverloadedMockMethodTest : public ::testing::Test {}; +using OverloadedMockMethodTestTypes = + ::testing::Types<MockOverloadedOnArgNumber, + LegacyMockOverloadedOnArgNumber>; +TYPED_TEST_SUITE(OverloadedMockMethodTest, OverloadedMockMethodTestTypes); + +TYPED_TEST(OverloadedMockMethodTest, CanOverloadOnArgNumberInMacroBody) { + TypeParam mock; EXPECT_CALL(mock, Overloaded()); EXPECT_CALL(mock, Overloaded(1)).WillOnce(Return(2)); EXPECT_CALL(mock, Overloaded(true, 1)).WillOnce(Return(true)); @@ -534,18 +752,20 @@ TEST(MockMethodOverloadedMockMethodTest, CanOverloadOnArgNumberInMacroBody) { EXPECT_TRUE(mock.Overloaded(true, 1)); } -#define MY_MOCK_METHODS2_ \ - MOCK_CONST_METHOD1(Overloaded, int(int n)); \ - MOCK_METHOD1(Overloaded, int(int n)) +#define MY_MOCK_METHODS2_ \ + MOCK_CONST_METHOD1(Overloaded, int(int n)); \ + MOCK_METHOD1(Overloaded, int(int n)) class MockOverloadedOnConstness { public: - MockOverloadedOnConstness() {} + MockOverloadedOnConstness() = default; MY_MOCK_METHODS2_; private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockOverloadedOnConstness); + MockOverloadedOnConstness(const MockOverloadedOnConstness&) = delete; + MockOverloadedOnConstness& operator=(const MockOverloadedOnConstness&) = + delete; }; TEST(MockMethodOverloadedMockMethodTest, CanOverloadOnConstnessInMacroBody) { @@ -566,9 +786,7 @@ TEST(MockMethodMockFunctionTest, WorksForVoidNullary) { TEST(MockMethodMockFunctionTest, WorksForNonVoidNullary) { MockFunction<int()> foo; - EXPECT_CALL(foo, Call()) - .WillOnce(Return(1)) - .WillOnce(Return(2)); + EXPECT_CALL(foo, Call()).WillOnce(Return(1)).WillOnce(Return(2)); EXPECT_EQ(1, foo.Call()); EXPECT_EQ(2, foo.Call()); } @@ -581,19 +799,17 @@ TEST(MockMethodMockFunctionTest, WorksForVoidUnary) { TEST(MockMethodMockFunctionTest, WorksForNonVoidBinary) { MockFunction<int(bool, int)> foo; - EXPECT_CALL(foo, Call(false, 42)) - .WillOnce(Return(1)) - .WillOnce(Return(2)); - EXPECT_CALL(foo, Call(true, Ge(100))) - .WillOnce(Return(3)); + EXPECT_CALL(foo, Call(false, 42)).WillOnce(Return(1)).WillOnce(Return(2)); + EXPECT_CALL(foo, Call(true, Ge(100))).WillOnce(Return(3)); EXPECT_EQ(1, foo.Call(false, 42)); EXPECT_EQ(2, foo.Call(false, 42)); EXPECT_EQ(3, foo.Call(true, 120)); } TEST(MockMethodMockFunctionTest, WorksFor10Arguments) { - MockFunction<int(bool a0, char a1, int a2, int a3, int a4, - int a5, int a6, char a7, int a8, bool a9)> foo; + MockFunction<int(bool a0, char a1, int a2, int a3, int a4, int a5, int a6, + char a7, int a8, bool a9)> + foo; EXPECT_CALL(foo, Call(_, 'a', _, _, _, _, _, _, _, _)) .WillOnce(Return(1)) .WillOnce(Return(2)); @@ -603,9 +819,7 @@ TEST(MockMethodMockFunctionTest, WorksFor10Arguments) { TEST(MockMethodMockFunctionTest, AsStdFunction) { MockFunction<int(int)> foo; - auto call = [](const std::function<int(int)> &f, int i) { - return f(i); - }; + auto call = [](const std::function<int(int)>& f, int i) { return f(i); }; EXPECT_CALL(foo, Call(1)).WillOnce(Return(-1)); EXPECT_CALL(foo, Call(2)).WillOnce(Return(-2)); EXPECT_EQ(-1, call(foo.AsStdFunction(), 1)); @@ -623,15 +837,72 @@ TEST(MockMethodMockFunctionTest, AsStdFunctionReturnsReference) { } TEST(MockMethodMockFunctionTest, AsStdFunctionWithReferenceParameter) { - MockFunction<int(int &)> foo; - auto call = [](const std::function<int(int& )> &f, int &i) { - return f(i); - }; + MockFunction<int(int&)> foo; + auto call = [](const std::function<int(int&)>& f, int& i) { return f(i); }; int i = 42; EXPECT_CALL(foo, Call(i)).WillOnce(Return(-1)); EXPECT_EQ(-1, call(foo.AsStdFunction(), i)); } +namespace { + +template <typename Expected, typename F> +static constexpr bool IsMockFunctionTemplateArgumentDeducedTo( + const internal::MockFunction<F>&) { + return std::is_same<F, Expected>::value; +} + +} // namespace + +template <typename F> +class MockMethodMockFunctionSignatureTest : public Test {}; + +using MockMethodMockFunctionSignatureTypes = + Types<void(), int(), void(int), int(int), int(bool, int), + int(bool, char, int, int, int, int, int, char, int, bool)>; +TYPED_TEST_SUITE(MockMethodMockFunctionSignatureTest, + MockMethodMockFunctionSignatureTypes); + +TYPED_TEST(MockMethodMockFunctionSignatureTest, + IsMockFunctionTemplateArgumentDeducedForRawSignature) { + using Argument = TypeParam; + MockFunction<Argument> foo; + EXPECT_TRUE(IsMockFunctionTemplateArgumentDeducedTo<TypeParam>(foo)); +} + +TYPED_TEST(MockMethodMockFunctionSignatureTest, + IsMockFunctionTemplateArgumentDeducedForStdFunction) { + using Argument = std::function<TypeParam>; + MockFunction<Argument> foo; + EXPECT_TRUE(IsMockFunctionTemplateArgumentDeducedTo<TypeParam>(foo)); +} + +TYPED_TEST( + MockMethodMockFunctionSignatureTest, + IsMockFunctionCallMethodSignatureTheSameForRawSignatureAndStdFunction) { + using ForRawSignature = decltype(&MockFunction<TypeParam>::Call); + using ForStdFunction = + decltype(&MockFunction<std::function<TypeParam>>::Call); + EXPECT_TRUE((std::is_same<ForRawSignature, ForStdFunction>::value)); +} + +template <typename F> +struct AlternateCallable {}; + +TYPED_TEST(MockMethodMockFunctionSignatureTest, + IsMockFunctionTemplateArgumentDeducedForAlternateCallable) { + using Argument = AlternateCallable<TypeParam>; + MockFunction<Argument> foo; + EXPECT_TRUE(IsMockFunctionTemplateArgumentDeducedTo<TypeParam>(foo)); +} + +TYPED_TEST(MockMethodMockFunctionSignatureTest, + IsMockFunctionCallMethodSignatureTheSameForAlternateCallable) { + using ForRawSignature = decltype(&MockFunction<TypeParam>::Call); + using ForStdFunction = + decltype(&MockFunction<std::function<TypeParam>>::Call); + EXPECT_TRUE((std::is_same<ForRawSignature, ForStdFunction>::value)); +} struct MockMethodSizes0 { MOCK_METHOD(void, func, ()); @@ -649,12 +920,79 @@ struct MockMethodSizes4 { MOCK_METHOD(void, func, (int, int, int, int)); }; +struct LegacyMockMethodSizes0 { + MOCK_METHOD0(func, void()); +}; +struct LegacyMockMethodSizes1 { + MOCK_METHOD1(func, void(int)); +}; +struct LegacyMockMethodSizes2 { + MOCK_METHOD2(func, void(int, int)); +}; +struct LegacyMockMethodSizes3 { + MOCK_METHOD3(func, void(int, int, int)); +}; +struct LegacyMockMethodSizes4 { + MOCK_METHOD4(func, void(int, int, int, int)); +}; + TEST(MockMethodMockFunctionTest, MockMethodSizeOverhead) { EXPECT_EQ(sizeof(MockMethodSizes0), sizeof(MockMethodSizes1)); EXPECT_EQ(sizeof(MockMethodSizes0), sizeof(MockMethodSizes2)); EXPECT_EQ(sizeof(MockMethodSizes0), sizeof(MockMethodSizes3)); EXPECT_EQ(sizeof(MockMethodSizes0), sizeof(MockMethodSizes4)); + + EXPECT_EQ(sizeof(LegacyMockMethodSizes0), sizeof(LegacyMockMethodSizes1)); + EXPECT_EQ(sizeof(LegacyMockMethodSizes0), sizeof(LegacyMockMethodSizes2)); + EXPECT_EQ(sizeof(LegacyMockMethodSizes0), sizeof(LegacyMockMethodSizes3)); + EXPECT_EQ(sizeof(LegacyMockMethodSizes0), sizeof(LegacyMockMethodSizes4)); + + EXPECT_EQ(sizeof(LegacyMockMethodSizes0), sizeof(MockMethodSizes0)); +} + +TEST(MockMethodMockFunctionTest, EnsureNoUnusedMemberFunction) { +#ifdef __clang__ +#pragma clang diagnostic push +#pragma clang diagnostic error "-Wunused-member-function" +#endif + // https://github.com/google/googletest/issues/4052 + struct Foo { + MOCK_METHOD(void, foo, ()); + }; + EXPECT_CALL(Foo(), foo()).Times(0); +#ifdef __clang__ +#pragma clang diagnostic pop +#endif +} + +void hasTwoParams(int, int); +void MaybeThrows(); +void DoesntThrow() noexcept; +struct MockMethodNoexceptSpecifier { + MOCK_METHOD(void, func1, (), (noexcept)); + MOCK_METHOD(void, func2, (), (noexcept(true))); + MOCK_METHOD(void, func3, (), (noexcept(false))); + MOCK_METHOD(void, func4, (), (noexcept(noexcept(MaybeThrows())))); + MOCK_METHOD(void, func5, (), (noexcept(noexcept(DoesntThrow())))); + MOCK_METHOD(void, func6, (), (noexcept(noexcept(DoesntThrow())), const)); + MOCK_METHOD(void, func7, (), (const, noexcept(noexcept(DoesntThrow())))); + // Put commas in the noexcept expression + MOCK_METHOD(void, func8, (), (noexcept(noexcept(hasTwoParams(1, 2))), const)); +}; + +TEST(MockMethodMockFunctionTest, NoexceptSpecifierPreserved) { + EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func1())); + EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func2())); + EXPECT_FALSE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func3())); + EXPECT_FALSE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func4())); + EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func5())); + EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func6())); + EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func7())); + EXPECT_EQ(noexcept(std::declval<MockMethodNoexceptSpecifier>().func8()), + noexcept(hasTwoParams(1, 2))); } } // namespace gmock_function_mocker_test } // namespace testing + +GTEST_DISABLE_MSC_WARNINGS_POP_() // 4503 diff --git a/googlemock/test/gmock-generated-actions_test.cc b/googlemock/test/gmock-generated-actions_test.cc deleted file mode 100644 index 4c649a7ee96a..000000000000 --- a/googlemock/test/gmock-generated-actions_test.cc +++ /dev/null @@ -1,1064 +0,0 @@ -// Copyright 2007, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - -// Google Mock - a framework for writing C++ mock classes. -// -// This file tests the built-in actions generated by a script. - -#include "gmock/gmock-generated-actions.h" - -#include <functional> -#include <memory> -#include <sstream> -#include <string> -#include "gmock/gmock.h" -#include "gtest/gtest.h" - -namespace testing { -namespace gmock_generated_actions_test { - -using ::std::plus; -using ::std::string; -using testing::_; -using testing::Action; -using testing::ActionInterface; -using testing::ByRef; -using testing::DoAll; -using testing::Invoke; -using testing::Return; -using testing::ReturnNew; -using testing::SetArgPointee; -using testing::StaticAssertTypeEq; -using testing::Unused; - -// For suppressing compiler warnings on conversion possibly losing precision. -inline short Short(short n) { return n; } // NOLINT -inline char Char(char ch) { return ch; } - -// Sample functions and functors for testing various actions. -int Nullary() { return 1; } - -bool g_done = false; - -bool ByConstRef(const std::string& s) { return s == "Hi"; } - -const double g_double = 0; -bool ReferencesGlobalDouble(const double& x) { return &x == &g_double; } - -struct UnaryFunctor { - int operator()(bool x) { return x ? 1 : -1; } -}; - -const char* Binary(const char* input, short n) { return input + n; } // NOLINT - -int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; } - -struct SumOf5Functor { - int operator()(int a, int b, int c, int d, int e) { - return a + b + c + d + e; - } -}; - -std::string Concat5(const char* s1, const char* s2, const char* s3, - const char* s4, const char* s5) { - return std::string(s1) + s2 + s3 + s4 + s5; -} - -int SumOf6(int a, int b, int c, int d, int e, int f) { - return a + b + c + d + e + f; -} - -struct SumOf6Functor { - int operator()(int a, int b, int c, int d, int e, int f) { - return a + b + c + d + e + f; - } -}; - -std::string Concat6(const char* s1, const char* s2, const char* s3, - const char* s4, const char* s5, const char* s6) { - return std::string(s1) + s2 + s3 + s4 + s5 + s6; -} - -std::string Concat7(const char* s1, const char* s2, const char* s3, - const char* s4, const char* s5, const char* s6, - const char* s7) { - return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7; -} - -std::string Concat8(const char* s1, const char* s2, const char* s3, - const char* s4, const char* s5, const char* s6, - const char* s7, const char* s8) { - return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8; -} - -std::string Concat9(const char* s1, const char* s2, const char* s3, - const char* s4, const char* s5, const char* s6, - const char* s7, const char* s8, const char* s9) { - return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9; -} - -std::string Concat10(const char* s1, const char* s2, const char* s3, - const char* s4, const char* s5, const char* s6, - const char* s7, const char* s8, const char* s9, - const char* s10) { - return std::string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10; -} - -// A helper that turns the type of a C-string literal from const -// char[N] to const char*. -inline const char* CharPtr(const char* s) { return s; } - -// Tests InvokeArgument<N>(...). - -// Tests using InvokeArgument with a nullary function. -TEST(InvokeArgumentTest, Function0) { - Action<int(int, int(*)())> a = InvokeArgument<1>(); // NOLINT - EXPECT_EQ(1, a.Perform(std::make_tuple(2, &Nullary))); -} - -// Tests using InvokeArgument with a unary function. -TEST(InvokeArgumentTest, Functor1) { - Action<int(UnaryFunctor)> a = InvokeArgument<0>(true); // NOLINT - EXPECT_EQ(1, a.Perform(std::make_tuple(UnaryFunctor()))); -} - -// Tests using InvokeArgument with a 5-ary function. -TEST(InvokeArgumentTest, Function5) { - Action<int(int(*)(int, int, int, int, int))> a = // NOLINT - InvokeArgument<0>(10000, 2000, 300, 40, 5); - EXPECT_EQ(12345, a.Perform(std::make_tuple(&SumOf5))); -} - -// Tests using InvokeArgument with a 5-ary functor. -TEST(InvokeArgumentTest, Functor5) { - Action<int(SumOf5Functor)> a = // NOLINT - InvokeArgument<0>(10000, 2000, 300, 40, 5); - EXPECT_EQ(12345, a.Perform(std::make_tuple(SumOf5Functor()))); -} - -// Tests using InvokeArgument with a 6-ary function. -TEST(InvokeArgumentTest, Function6) { - Action<int(int(*)(int, int, int, int, int, int))> a = // NOLINT - InvokeArgument<0>(100000, 20000, 3000, 400, 50, 6); - EXPECT_EQ(123456, a.Perform(std::make_tuple(&SumOf6))); -} - -// Tests using InvokeArgument with a 6-ary functor. -TEST(InvokeArgumentTest, Functor6) { - Action<int(SumOf6Functor)> a = // NOLINT - InvokeArgument<0>(100000, 20000, 3000, 400, 50, 6); - EXPECT_EQ(123456, a.Perform(std::make_tuple(SumOf6Functor()))); -} - -// Tests using InvokeArgument with a 7-ary function. -TEST(InvokeArgumentTest, Function7) { - Action<std::string(std::string(*)(const char*, const char*, const char*, - const char*, const char*, const char*, - const char*))> - a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7"); - EXPECT_EQ("1234567", a.Perform(std::make_tuple(&Concat7))); -} - -// Tests using InvokeArgument with a 8-ary function. -TEST(InvokeArgumentTest, Function8) { - Action<std::string(std::string(*)(const char*, const char*, const char*, - const char*, const char*, const char*, - const char*, const char*))> - a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8"); - EXPECT_EQ("12345678", a.Perform(std::make_tuple(&Concat8))); -} - -// Tests using InvokeArgument with a 9-ary function. -TEST(InvokeArgumentTest, Function9) { - Action<std::string(std::string(*)(const char*, const char*, const char*, - const char*, const char*, const char*, - const char*, const char*, const char*))> - a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9"); - EXPECT_EQ("123456789", a.Perform(std::make_tuple(&Concat9))); -} - -// Tests using InvokeArgument with a 10-ary function. -TEST(InvokeArgumentTest, Function10) { - Action<std::string(std::string(*)( - const char*, const char*, const char*, const char*, const char*, - const char*, const char*, const char*, const char*, const char*))> - a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9", "0"); - EXPECT_EQ("1234567890", a.Perform(std::make_tuple(&Concat10))); -} - -// Tests using InvokeArgument with a function that takes a pointer argument. -TEST(InvokeArgumentTest, ByPointerFunction) { - Action<const char*(const char*(*)(const char* input, short n))> a = // NOLINT - InvokeArgument<0>(static_cast<const char*>("Hi"), Short(1)); - EXPECT_STREQ("i", a.Perform(std::make_tuple(&Binary))); -} - -// Tests using InvokeArgument with a function that takes a const char* -// by passing it a C-string literal. -TEST(InvokeArgumentTest, FunctionWithCStringLiteral) { - Action<const char*(const char*(*)(const char* input, short n))> a = // NOLINT - InvokeArgument<0>("Hi", Short(1)); - EXPECT_STREQ("i", a.Perform(std::make_tuple(&Binary))); -} - -// Tests using InvokeArgument with a function that takes a const reference. -TEST(InvokeArgumentTest, ByConstReferenceFunction) { - Action<bool(bool (*function)(const std::string& s))> a = // NOLINT - InvokeArgument<0>(std::string("Hi")); - // When action 'a' is constructed, it makes a copy of the temporary - // string object passed to it, so it's OK to use 'a' later, when the - // temporary object has already died. - EXPECT_TRUE(a.Perform(std::make_tuple(&ByConstRef))); -} - -// Tests using InvokeArgument with ByRef() and a function that takes a -// const reference. -TEST(InvokeArgumentTest, ByExplicitConstReferenceFunction) { - Action<bool(bool(*)(const double& x))> a = // NOLINT - InvokeArgument<0>(ByRef(g_double)); - // The above line calls ByRef() on a const value. - EXPECT_TRUE(a.Perform(std::make_tuple(&ReferencesGlobalDouble))); - - double x = 0; - a = InvokeArgument<0>(ByRef(x)); // This calls ByRef() on a non-const. - EXPECT_FALSE(a.Perform(std::make_tuple(&ReferencesGlobalDouble))); -} - -// Tests DoAll(a1, a2). -TEST(DoAllTest, TwoActions) { - int n = 0; - Action<int(int*)> a = DoAll(SetArgPointee<0>(1), // NOLINT - Return(2)); - EXPECT_EQ(2, a.Perform(std::make_tuple(&n))); - EXPECT_EQ(1, n); -} - -// Tests DoAll(a1, a2, a3). -TEST(DoAllTest, ThreeActions) { - int m = 0, n = 0; - Action<int(int*, int*)> a = DoAll(SetArgPointee<0>(1), // NOLINT - SetArgPointee<1>(2), - Return(3)); - EXPECT_EQ(3, a.Perform(std::make_tuple(&m, &n))); - EXPECT_EQ(1, m); - EXPECT_EQ(2, n); -} - -// Tests DoAll(a1, a2, a3, a4). -TEST(DoAllTest, FourActions) { - int m = 0, n = 0; - char ch = '\0'; - Action<int(int*, int*, char*)> a = // NOLINT - DoAll(SetArgPointee<0>(1), - SetArgPointee<1>(2), - SetArgPointee<2>('a'), - Return(3)); - EXPECT_EQ(3, a.Perform(std::make_tuple(&m, &n, &ch))); - EXPECT_EQ(1, m); - EXPECT_EQ(2, n); - EXPECT_EQ('a', ch); -} - -// Tests DoAll(a1, a2, a3, a4, a5). -TEST(DoAllTest, FiveActions) { - int m = 0, n = 0; - char a = '\0', b = '\0'; - Action<int(int*, int*, char*, char*)> action = // NOLINT - DoAll(SetArgPointee<0>(1), - SetArgPointee<1>(2), - SetArgPointee<2>('a'), - SetArgPointee<3>('b'), - Return(3)); - EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b))); - EXPECT_EQ(1, m); - EXPECT_EQ(2, n); - EXPECT_EQ('a', a); - EXPECT_EQ('b', b); -} - -// Tests DoAll(a1, a2, ..., a6). -TEST(DoAllTest, SixActions) { - int m = 0, n = 0; - char a = '\0', b = '\0', c = '\0'; - Action<int(int*, int*, char*, char*, char*)> action = // NOLINT - DoAll(SetArgPointee<0>(1), - SetArgPointee<1>(2), - SetArgPointee<2>('a'), - SetArgPointee<3>('b'), - SetArgPointee<4>('c'), - Return(3)); - EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c))); - EXPECT_EQ(1, m); - EXPECT_EQ(2, n); - EXPECT_EQ('a', a); - EXPECT_EQ('b', b); - EXPECT_EQ('c', c); -} - -// Tests DoAll(a1, a2, ..., a7). -TEST(DoAllTest, SevenActions) { - int m = 0, n = 0; - char a = '\0', b = '\0', c = '\0', d = '\0'; - Action<int(int*, int*, char*, char*, char*, char*)> action = // NOLINT - DoAll(SetArgPointee<0>(1), - SetArgPointee<1>(2), - SetArgPointee<2>('a'), - SetArgPointee<3>('b'), - SetArgPointee<4>('c'), - SetArgPointee<5>('d'), - Return(3)); - EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c, &d))); - EXPECT_EQ(1, m); - EXPECT_EQ(2, n); - EXPECT_EQ('a', a); - EXPECT_EQ('b', b); - EXPECT_EQ('c', c); - EXPECT_EQ('d', d); -} - -// Tests DoAll(a1, a2, ..., a8). -TEST(DoAllTest, EightActions) { - int m = 0, n = 0; - char a = '\0', b = '\0', c = '\0', d = '\0', e = '\0'; - Action<int(int*, int*, char*, char*, char*, char*, // NOLINT - char*)> action = - DoAll(SetArgPointee<0>(1), - SetArgPointee<1>(2), - SetArgPointee<2>('a'), - SetArgPointee<3>('b'), - SetArgPointee<4>('c'), - SetArgPointee<5>('d'), - SetArgPointee<6>('e'), - Return(3)); - EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c, &d, &e))); - EXPECT_EQ(1, m); - EXPECT_EQ(2, n); - EXPECT_EQ('a', a); - EXPECT_EQ('b', b); - EXPECT_EQ('c', c); - EXPECT_EQ('d', d); - EXPECT_EQ('e', e); -} - -// Tests DoAll(a1, a2, ..., a9). -TEST(DoAllTest, NineActions) { - int m = 0, n = 0; - char a = '\0', b = '\0', c = '\0', d = '\0', e = '\0', f = '\0'; - Action<int(int*, int*, char*, char*, char*, char*, // NOLINT - char*, char*)> action = - DoAll(SetArgPointee<0>(1), - SetArgPointee<1>(2), - SetArgPointee<2>('a'), - SetArgPointee<3>('b'), - SetArgPointee<4>('c'), - SetArgPointee<5>('d'), - SetArgPointee<6>('e'), - SetArgPointee<7>('f'), - Return(3)); - EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c, &d, &e, &f))); - EXPECT_EQ(1, m); - EXPECT_EQ(2, n); - EXPECT_EQ('a', a); - EXPECT_EQ('b', b); - EXPECT_EQ('c', c); - EXPECT_EQ('d', d); - EXPECT_EQ('e', e); - EXPECT_EQ('f', f); -} - -// Tests DoAll(a1, a2, ..., a10). -TEST(DoAllTest, TenActions) { - int m = 0, n = 0; - char a = '\0', b = '\0', c = '\0', d = '\0'; - char e = '\0', f = '\0', g = '\0'; - Action<int(int*, int*, char*, char*, char*, char*, // NOLINT - char*, char*, char*)> action = - DoAll(SetArgPointee<0>(1), - SetArgPointee<1>(2), - SetArgPointee<2>('a'), - SetArgPointee<3>('b'), - SetArgPointee<4>('c'), - SetArgPointee<5>('d'), - SetArgPointee<6>('e'), - SetArgPointee<7>('f'), - SetArgPointee<8>('g'), - Return(3)); - EXPECT_EQ( - 3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c, &d, &e, &f, &g))); - EXPECT_EQ(1, m); - EXPECT_EQ(2, n); - EXPECT_EQ('a', a); - EXPECT_EQ('b', b); - EXPECT_EQ('c', c); - EXPECT_EQ('d', d); - EXPECT_EQ('e', e); - EXPECT_EQ('f', f); - EXPECT_EQ('g', g); -} - -// The ACTION*() macros trigger warning C4100 (unreferenced formal -// parameter) in MSVC with -W4. Unfortunately they cannot be fixed in -// the macro definition, as the warnings are generated when the macro -// is expanded and macro expansion cannot contain #pragma. Therefore -// we suppress them here. -// Also suppress C4503 decorated name length exceeded, name was truncated -#ifdef _MSC_VER -# pragma warning(push) -# pragma warning(disable:4100) -# pragma warning(disable:4503) -#endif -// Tests the ACTION*() macro family. - -// Tests that ACTION() can define an action that doesn't reference the -// mock function arguments. -ACTION(Return5) { return 5; } - -TEST(ActionMacroTest, WorksWhenNotReferencingArguments) { - Action<double()> a1 = Return5(); - EXPECT_DOUBLE_EQ(5, a1.Perform(std::make_tuple())); - - Action<int(double, bool)> a2 = Return5(); - EXPECT_EQ(5, a2.Perform(std::make_tuple(1, true))); -} - -// Tests that ACTION() can define an action that returns void. -ACTION(IncrementArg1) { (*arg1)++; } - -TEST(ActionMacroTest, WorksWhenReturningVoid) { - Action<void(int, int*)> a1 = IncrementArg1(); - int n = 0; - a1.Perform(std::make_tuple(5, &n)); - EXPECT_EQ(1, n); -} - -// Tests that the body of ACTION() can reference the type of the -// argument. -ACTION(IncrementArg2) { - StaticAssertTypeEq<int*, arg2_type>(); - arg2_type temp = arg2; - (*temp)++; -} - -TEST(ActionMacroTest, CanReferenceArgumentType) { - Action<void(int, bool, int*)> a1 = IncrementArg2(); - int n = 0; - a1.Perform(std::make_tuple(5, false, &n)); - EXPECT_EQ(1, n); -} - -// Tests that the body of ACTION() can reference the argument tuple -// via args_type and args. -ACTION(Sum2) { - StaticAssertTypeEq<std::tuple<int, char, int*>, args_type>(); - args_type args_copy = args; - return std::get<0>(args_copy) + std::get<1>(args_copy); -} - -TEST(ActionMacroTest, CanReferenceArgumentTuple) { - Action<int(int, char, int*)> a1 = Sum2(); - int dummy = 0; - EXPECT_EQ(11, a1.Perform(std::make_tuple(5, Char(6), &dummy))); -} - -// Tests that the body of ACTION() can reference the mock function -// type. -int Dummy(bool flag) { return flag? 1 : 0; } - -ACTION(InvokeDummy) { - StaticAssertTypeEq<int(bool), function_type>(); - function_type* fp = &Dummy; - return (*fp)(true); -} - -TEST(ActionMacroTest, CanReferenceMockFunctionType) { - Action<int(bool)> a1 = InvokeDummy(); - EXPECT_EQ(1, a1.Perform(std::make_tuple(true))); - EXPECT_EQ(1, a1.Perform(std::make_tuple(false))); -} - -// Tests that the body of ACTION() can reference the mock function's -// return type. -ACTION(InvokeDummy2) { - StaticAssertTypeEq<int, return_type>(); - return_type result = Dummy(true); - return result; -} - -TEST(ActionMacroTest, CanReferenceMockFunctionReturnType) { - Action<int(bool)> a1 = InvokeDummy2(); - EXPECT_EQ(1, a1.Perform(std::make_tuple(true))); - EXPECT_EQ(1, a1.Perform(std::make_tuple(false))); -} - -// Tests that ACTION() works for arguments passed by const reference. -ACTION(ReturnAddrOfConstBoolReferenceArg) { - StaticAssertTypeEq<const bool&, arg1_type>(); - return &arg1; -} - -TEST(ActionMacroTest, WorksForConstReferenceArg) { - Action<const bool*(int, const bool&)> a = ReturnAddrOfConstBoolReferenceArg(); - const bool b = false; - EXPECT_EQ(&b, a.Perform(std::tuple<int, const bool&>(0, b))); -} - -// Tests that ACTION() works for arguments passed by non-const reference. -ACTION(ReturnAddrOfIntReferenceArg) { - StaticAssertTypeEq<int&, arg0_type>(); - return &arg0; -} - -TEST(ActionMacroTest, WorksForNonConstReferenceArg) { - Action<int*(int&, bool, int)> a = ReturnAddrOfIntReferenceArg(); - int n = 0; - EXPECT_EQ(&n, a.Perform(std::tuple<int&, bool, int>(n, true, 1))); -} - -// Tests that ACTION() can be used in a namespace. -namespace action_test { -ACTION(Sum) { return arg0 + arg1; } -} // namespace action_test - -TEST(ActionMacroTest, WorksInNamespace) { - Action<int(int, int)> a1 = action_test::Sum(); - EXPECT_EQ(3, a1.Perform(std::make_tuple(1, 2))); -} - -// Tests that the same ACTION definition works for mock functions with -// different argument numbers. -ACTION(PlusTwo) { return arg0 + 2; } - -TEST(ActionMacroTest, WorksForDifferentArgumentNumbers) { - Action<int(int)> a1 = PlusTwo(); - EXPECT_EQ(4, a1.Perform(std::make_tuple(2))); - - Action<double(float, void*)> a2 = PlusTwo(); - int dummy; - EXPECT_DOUBLE_EQ(6, a2.Perform(std::make_tuple(4.0f, &dummy))); -} - -// Tests that ACTION_P can define a parameterized action. -ACTION_P(Plus, n) { return arg0 + n; } - -TEST(ActionPMacroTest, DefinesParameterizedAction) { - Action<int(int m, bool t)> a1 = Plus(9); - EXPECT_EQ(10, a1.Perform(std::make_tuple(1, true))); -} - -// Tests that the body of ACTION_P can reference the argument types -// and the parameter type. -ACTION_P(TypedPlus, n) { - arg0_type t1 = arg0; - n_type t2 = n; - return t1 + t2; -} - -TEST(ActionPMacroTest, CanReferenceArgumentAndParameterTypes) { - Action<int(char m, bool t)> a1 = TypedPlus(9); - EXPECT_EQ(10, a1.Perform(std::make_tuple(Char(1), true))); -} - -// Tests that a parameterized action can be used in any mock function -// whose type is compatible. -TEST(ActionPMacroTest, WorksInCompatibleMockFunction) { - Action<std::string(const std::string& s)> a1 = Plus("tail"); - const std::string re = "re"; - std::tuple<const std::string> dummy = std::make_tuple(re); - EXPECT_EQ("retail", a1.Perform(dummy)); -} - -// Tests that we can use ACTION*() to define actions overloaded on the -// number of parameters. - -ACTION(OverloadedAction) { return arg0 ? arg1 : "hello"; } - -ACTION_P(OverloadedAction, default_value) { - return arg0 ? arg1 : default_value; -} - -ACTION_P2(OverloadedAction, true_value, false_value) { - return arg0 ? true_value : false_value; -} - -TEST(ActionMacroTest, CanDefineOverloadedActions) { - typedef Action<const char*(bool, const char*)> MyAction; - - const MyAction a1 = OverloadedAction(); - EXPECT_STREQ("hello", a1.Perform(std::make_tuple(false, CharPtr("world")))); - EXPECT_STREQ("world", a1.Perform(std::make_tuple(true, CharPtr("world")))); - - const MyAction a2 = OverloadedAction("hi"); - EXPECT_STREQ("hi", a2.Perform(std::make_tuple(false, CharPtr("world")))); - EXPECT_STREQ("world", a2.Perform(std::make_tuple(true, CharPtr("world")))); - - const MyAction a3 = OverloadedAction("hi", "you"); - EXPECT_STREQ("hi", a3.Perform(std::make_tuple(true, CharPtr("world")))); - EXPECT_STREQ("you", a3.Perform(std::make_tuple(false, CharPtr("world")))); -} - -// Tests ACTION_Pn where n >= 3. - -ACTION_P3(Plus, m, n, k) { return arg0 + m + n + k; } - -TEST(ActionPnMacroTest, WorksFor3Parameters) { - Action<double(int m, bool t)> a1 = Plus(100, 20, 3.4); - EXPECT_DOUBLE_EQ(3123.4, a1.Perform(std::make_tuple(3000, true))); - - Action<std::string(const std::string& s)> a2 = Plus("tail", "-", ">"); - const std::string re = "re"; - std::tuple<const std::string> dummy = std::make_tuple(re); - EXPECT_EQ("retail->", a2.Perform(dummy)); -} - -ACTION_P4(Plus, p0, p1, p2, p3) { return arg0 + p0 + p1 + p2 + p3; } - -TEST(ActionPnMacroTest, WorksFor4Parameters) { - Action<int(int)> a1 = Plus(1, 2, 3, 4); - EXPECT_EQ(10 + 1 + 2 + 3 + 4, a1.Perform(std::make_tuple(10))); -} - -ACTION_P5(Plus, p0, p1, p2, p3, p4) { return arg0 + p0 + p1 + p2 + p3 + p4; } - -TEST(ActionPnMacroTest, WorksFor5Parameters) { - Action<int(int)> a1 = Plus(1, 2, 3, 4, 5); - EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5, a1.Perform(std::make_tuple(10))); -} - -ACTION_P6(Plus, p0, p1, p2, p3, p4, p5) { - return arg0 + p0 + p1 + p2 + p3 + p4 + p5; -} - -TEST(ActionPnMacroTest, WorksFor6Parameters) { - Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6); - EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6, a1.Perform(std::make_tuple(10))); -} - -ACTION_P7(Plus, p0, p1, p2, p3, p4, p5, p6) { - return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6; -} - -TEST(ActionPnMacroTest, WorksFor7Parameters) { - Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7); - EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7, a1.Perform(std::make_tuple(10))); -} - -ACTION_P8(Plus, p0, p1, p2, p3, p4, p5, p6, p7) { - return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7; -} - -TEST(ActionPnMacroTest, WorksFor8Parameters) { - Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8); - EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8, - a1.Perform(std::make_tuple(10))); -} - -ACTION_P9(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8) { - return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8; -} - -TEST(ActionPnMacroTest, WorksFor9Parameters) { - Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9); - EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9, - a1.Perform(std::make_tuple(10))); -} - -ACTION_P10(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8, last_param) { - arg0_type t0 = arg0; - last_param_type t9 = last_param; - return t0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + t9; -} - -TEST(ActionPnMacroTest, WorksFor10Parameters) { - Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, 10); - EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10, - a1.Perform(std::make_tuple(10))); -} - -// Tests that the action body can promote the parameter types. - -ACTION_P2(PadArgument, prefix, suffix) { - // The following lines promote the two parameters to desired types. - std::string prefix_str(prefix); - char suffix_char = static_cast<char>(suffix); - return prefix_str + arg0 + suffix_char; -} - -TEST(ActionPnMacroTest, SimpleTypePromotion) { - Action<std::string(const char*)> no_promo = - PadArgument(std::string("foo"), 'r'); - Action<std::string(const char*)> promo = - PadArgument("foo", static_cast<int>('r')); - EXPECT_EQ("foobar", no_promo.Perform(std::make_tuple(CharPtr("ba")))); - EXPECT_EQ("foobar", promo.Perform(std::make_tuple(CharPtr("ba")))); -} - -// Tests that we can partially restrict parameter types using a -// straight-forward pattern. - -// Defines a generic action that doesn't restrict the types of its -// parameters. -ACTION_P3(ConcatImpl, a, b, c) { - std::stringstream ss; - ss << a << b << c; - return ss.str(); -} - -// Next, we try to restrict that either the first parameter is a -// string, or the second parameter is an int. - -// Defines a partially specialized wrapper that restricts the first -// parameter to std::string. -template <typename T1, typename T2> -// ConcatImplActionP3 is the class template ACTION_P3 uses to -// implement ConcatImpl. We shouldn't change the name as this -// pattern requires the user to use it directly. -ConcatImplActionP3<std::string, T1, T2> -Concat(const std::string& a, T1 b, T2 c) { - GTEST_INTENTIONAL_CONST_COND_PUSH_() - if (true) { - GTEST_INTENTIONAL_CONST_COND_POP_() - // This branch verifies that ConcatImpl() can be invoked without - // explicit template arguments. - return ConcatImpl(a, b, c); - } else { - // This branch verifies that ConcatImpl() can also be invoked with - // explicit template arguments. It doesn't really need to be - // executed as this is a compile-time verification. - return ConcatImpl<std::string, T1, T2>(a, b, c); - } -} - -// Defines another partially specialized wrapper that restricts the -// second parameter to int. -template <typename T1, typename T2> -ConcatImplActionP3<T1, int, T2> -Concat(T1 a, int b, T2 c) { - return ConcatImpl(a, b, c); -} - -TEST(ActionPnMacroTest, CanPartiallyRestrictParameterTypes) { - Action<const std::string()> a1 = Concat("Hello", "1", 2); - EXPECT_EQ("Hello12", a1.Perform(std::make_tuple())); - - a1 = Concat(1, 2, 3); - EXPECT_EQ("123", a1.Perform(std::make_tuple())); -} - -// Verifies the type of an ACTION*. - -ACTION(DoFoo) {} -ACTION_P(DoFoo, p) {} -ACTION_P2(DoFoo, p0, p1) {} - -TEST(ActionPnMacroTest, TypesAreCorrect) { - // DoFoo() must be assignable to a DoFooAction variable. - DoFooAction a0 = DoFoo(); - - // DoFoo(1) must be assignable to a DoFooActionP variable. - DoFooActionP<int> a1 = DoFoo(1); - - // DoFoo(p1, ..., pk) must be assignable to a DoFooActionPk - // variable, and so on. - DoFooActionP2<int, char> a2 = DoFoo(1, '2'); - PlusActionP3<int, int, char> a3 = Plus(1, 2, '3'); - PlusActionP4<int, int, int, char> a4 = Plus(1, 2, 3, '4'); - PlusActionP5<int, int, int, int, char> a5 = Plus(1, 2, 3, 4, '5'); - PlusActionP6<int, int, int, int, int, char> a6 = Plus(1, 2, 3, 4, 5, '6'); - PlusActionP7<int, int, int, int, int, int, char> a7 = - Plus(1, 2, 3, 4, 5, 6, '7'); - PlusActionP8<int, int, int, int, int, int, int, char> a8 = - Plus(1, 2, 3, 4, 5, 6, 7, '8'); - PlusActionP9<int, int, int, int, int, int, int, int, char> a9 = - Plus(1, 2, 3, 4, 5, 6, 7, 8, '9'); - PlusActionP10<int, int, int, int, int, int, int, int, int, char> a10 = - Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, '0'); - - // Avoid "unused variable" warnings. - (void)a0; - (void)a1; - (void)a2; - (void)a3; - (void)a4; - (void)a5; - (void)a6; - (void)a7; - (void)a8; - (void)a9; - (void)a10; -} - -// Tests that an ACTION_P*() action can be explicitly instantiated -// with reference-typed parameters. - -ACTION_P(Plus1, x) { return x; } -ACTION_P2(Plus2, x, y) { return x + y; } -ACTION_P3(Plus3, x, y, z) { return x + y + z; } -ACTION_P10(Plus10, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) { - return a0 + a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9; -} - -TEST(ActionPnMacroTest, CanExplicitlyInstantiateWithReferenceTypes) { - int x = 1, y = 2, z = 3; - const std::tuple<> empty = std::make_tuple(); - - Action<int()> a = Plus1<int&>(x); - EXPECT_EQ(1, a.Perform(empty)); - - a = Plus2<const int&, int&>(x, y); - EXPECT_EQ(3, a.Perform(empty)); - - a = Plus3<int&, const int&, int&>(x, y, z); - EXPECT_EQ(6, a.Perform(empty)); - - int n[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }; - a = Plus10<const int&, int&, const int&, int&, const int&, int&, const int&, - int&, const int&, int&>(n[0], n[1], n[2], n[3], n[4], n[5], n[6], n[7], - n[8], n[9]); - EXPECT_EQ(55, a.Perform(empty)); -} - -class NullaryConstructorClass { - public: - NullaryConstructorClass() : value_(123) {} - int value_; -}; - -// Tests using ReturnNew() with a nullary constructor. -TEST(ReturnNewTest, NoArgs) { - Action<NullaryConstructorClass*()> a = ReturnNew<NullaryConstructorClass>(); - NullaryConstructorClass* c = a.Perform(std::make_tuple()); - EXPECT_EQ(123, c->value_); - delete c; -} - -class UnaryConstructorClass { - public: - explicit UnaryConstructorClass(int value) : value_(value) {} - int value_; -}; - -// Tests using ReturnNew() with a unary constructor. -TEST(ReturnNewTest, Unary) { - Action<UnaryConstructorClass*()> a = ReturnNew<UnaryConstructorClass>(4000); - UnaryConstructorClass* c = a.Perform(std::make_tuple()); - EXPECT_EQ(4000, c->value_); - delete c; -} - -TEST(ReturnNewTest, UnaryWorksWhenMockMethodHasArgs) { - Action<UnaryConstructorClass*(bool, int)> a = - ReturnNew<UnaryConstructorClass>(4000); - UnaryConstructorClass* c = a.Perform(std::make_tuple(false, 5)); - EXPECT_EQ(4000, c->value_); - delete c; -} - -TEST(ReturnNewTest, UnaryWorksWhenMockMethodReturnsPointerToConst) { - Action<const UnaryConstructorClass*()> a = - ReturnNew<UnaryConstructorClass>(4000); - const UnaryConstructorClass* c = a.Perform(std::make_tuple()); - EXPECT_EQ(4000, c->value_); - delete c; -} - -class TenArgConstructorClass { - public: - TenArgConstructorClass(int a1, int a2, int a3, int a4, int a5, - int a6, int a7, int a8, int a9, int a10) - : value_(a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9 + a10) { - } - int value_; -}; - -// Tests using ReturnNew() with a 10-argument constructor. -TEST(ReturnNewTest, ConstructorThatTakes10Arguments) { - Action<TenArgConstructorClass*()> a = - ReturnNew<TenArgConstructorClass>(1000000000, 200000000, 30000000, - 4000000, 500000, 60000, - 7000, 800, 90, 0); - TenArgConstructorClass* c = a.Perform(std::make_tuple()); - EXPECT_EQ(1234567890, c->value_); - delete c; -} - -// Tests that ACTION_TEMPLATE works when there is no value parameter. -ACTION_TEMPLATE(CreateNew, - HAS_1_TEMPLATE_PARAMS(typename, T), - AND_0_VALUE_PARAMS()) { - return new T; -} - -TEST(ActionTemplateTest, WorksWithoutValueParam) { - const Action<int*()> a = CreateNew<int>(); - int* p = a.Perform(std::make_tuple()); - delete p; -} - -// Tests that ACTION_TEMPLATE works when there are value parameters. -ACTION_TEMPLATE(CreateNew, - HAS_1_TEMPLATE_PARAMS(typename, T), - AND_1_VALUE_PARAMS(a0)) { - return new T(a0); -} - -TEST(ActionTemplateTest, WorksWithValueParams) { - const Action<int*()> a = CreateNew<int>(42); - int* p = a.Perform(std::make_tuple()); - EXPECT_EQ(42, *p); - delete p; -} - -// Tests that ACTION_TEMPLATE works for integral template parameters. -ACTION_TEMPLATE(MyDeleteArg, - HAS_1_TEMPLATE_PARAMS(int, k), - AND_0_VALUE_PARAMS()) { - delete std::get<k>(args); -} - -// Resets a bool variable in the destructor. -class BoolResetter { - public: - explicit BoolResetter(bool* value) : value_(value) {} - ~BoolResetter() { *value_ = false; } - private: - bool* value_; -}; - -TEST(ActionTemplateTest, WorksForIntegralTemplateParams) { - const Action<void(int*, BoolResetter*)> a = MyDeleteArg<1>(); - int n = 0; - bool b = true; - BoolResetter* resetter = new BoolResetter(&b); - a.Perform(std::make_tuple(&n, resetter)); - EXPECT_FALSE(b); // Verifies that resetter is deleted. -} - -// Tests that ACTION_TEMPLATES works for template template parameters. -ACTION_TEMPLATE(ReturnSmartPointer, - HAS_1_TEMPLATE_PARAMS(template <typename Pointee> class, - Pointer), - AND_1_VALUE_PARAMS(pointee)) { - return Pointer<pointee_type>(new pointee_type(pointee)); -} - -TEST(ActionTemplateTest, WorksForTemplateTemplateParameters) { - const Action<std::shared_ptr<int>()> a = - ReturnSmartPointer<std::shared_ptr>(42); - std::shared_ptr<int> p = a.Perform(std::make_tuple()); - EXPECT_EQ(42, *p); -} - -// Tests that ACTION_TEMPLATE works for 10 template parameters. -template <typename T1, typename T2, typename T3, int k4, bool k5, - unsigned int k6, typename T7, typename T8, typename T9> -struct GiantTemplate { - public: - explicit GiantTemplate(int a_value) : value(a_value) {} - int value; -}; - -ACTION_TEMPLATE(ReturnGiant, - HAS_10_TEMPLATE_PARAMS( - typename, T1, - typename, T2, - typename, T3, - int, k4, - bool, k5, - unsigned int, k6, - class, T7, - class, T8, - class, T9, - template <typename T> class, T10), - AND_1_VALUE_PARAMS(value)) { - return GiantTemplate<T10<T1>, T2, T3, k4, k5, k6, T7, T8, T9>(value); -} - -TEST(ActionTemplateTest, WorksFor10TemplateParameters) { - using Giant = GiantTemplate<std::shared_ptr<int>, bool, double, 5, true, 6, - char, unsigned, int>; - const Action<Giant()> a = ReturnGiant<int, bool, double, 5, true, 6, char, - unsigned, int, std::shared_ptr>(42); - Giant giant = a.Perform(std::make_tuple()); - EXPECT_EQ(42, giant.value); -} - -// Tests that ACTION_TEMPLATE works for 10 value parameters. -ACTION_TEMPLATE(ReturnSum, - HAS_1_TEMPLATE_PARAMS(typename, Number), - AND_10_VALUE_PARAMS(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10)) { - return static_cast<Number>(v1) + v2 + v3 + v4 + v5 + v6 + v7 + v8 + v9 + v10; -} - -TEST(ActionTemplateTest, WorksFor10ValueParameters) { - const Action<int()> a = ReturnSum<int>(1, 2, 3, 4, 5, 6, 7, 8, 9, 10); - EXPECT_EQ(55, a.Perform(std::make_tuple())); -} - -// Tests that ACTION_TEMPLATE and ACTION/ACTION_P* can be overloaded -// on the number of value parameters. - -ACTION(ReturnSum) { return 0; } - -ACTION_P(ReturnSum, x) { return x; } - -ACTION_TEMPLATE(ReturnSum, - HAS_1_TEMPLATE_PARAMS(typename, Number), - AND_2_VALUE_PARAMS(v1, v2)) { - return static_cast<Number>(v1) + v2; -} - -ACTION_TEMPLATE(ReturnSum, - HAS_1_TEMPLATE_PARAMS(typename, Number), - AND_3_VALUE_PARAMS(v1, v2, v3)) { - return static_cast<Number>(v1) + v2 + v3; -} - -ACTION_TEMPLATE(ReturnSum, - HAS_2_TEMPLATE_PARAMS(typename, Number, int, k), - AND_4_VALUE_PARAMS(v1, v2, v3, v4)) { - return static_cast<Number>(v1) + v2 + v3 + v4 + k; -} - -TEST(ActionTemplateTest, CanBeOverloadedOnNumberOfValueParameters) { - const Action<int()> a0 = ReturnSum(); - const Action<int()> a1 = ReturnSum(1); - const Action<int()> a2 = ReturnSum<int>(1, 2); - const Action<int()> a3 = ReturnSum<int>(1, 2, 3); - const Action<int()> a4 = ReturnSum<int, 10000>(2000, 300, 40, 5); - EXPECT_EQ(0, a0.Perform(std::make_tuple())); - EXPECT_EQ(1, a1.Perform(std::make_tuple())); - EXPECT_EQ(3, a2.Perform(std::make_tuple())); - EXPECT_EQ(6, a3.Perform(std::make_tuple())); - EXPECT_EQ(12345, a4.Perform(std::make_tuple())); -} - - -} // namespace gmock_generated_actions_test -} // namespace testing diff --git a/googlemock/test/gmock-generated-function-mockers_test.cc b/googlemock/test/gmock-generated-function-mockers_test.cc deleted file mode 100644 index dff3a9f0fadb..000000000000 --- a/googlemock/test/gmock-generated-function-mockers_test.cc +++ /dev/null @@ -1,659 +0,0 @@ -// Copyright 2007, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - -// Google Mock - a framework for writing C++ mock classes. -// -// This file tests the function mocker classes. - -#include "gmock/gmock-generated-function-mockers.h" - -#if GTEST_OS_WINDOWS -// MSDN says the header file to be included for STDMETHOD is BaseTyps.h but -// we are getting compiler errors if we use basetyps.h, hence including -// objbase.h for definition of STDMETHOD. -# include <objbase.h> -#endif // GTEST_OS_WINDOWS - -#include <map> -#include <string> -#include "gmock/gmock.h" -#include "gtest/gtest.h" - -namespace testing { -namespace gmock_generated_function_mockers_test { - -using testing::_; -using testing::A; -using testing::An; -using testing::AnyNumber; -using testing::Const; -using testing::DoDefault; -using testing::Eq; -using testing::Lt; -using testing::MockFunction; -using testing::Ref; -using testing::Return; -using testing::ReturnRef; -using testing::TypedEq; - -template<typename T> -class TemplatedCopyable { - public: - TemplatedCopyable() {} - - template <typename U> - TemplatedCopyable(const U& other) {} // NOLINT -}; - -class FooInterface { - public: - virtual ~FooInterface() {} - - virtual void VoidReturning(int x) = 0; - - virtual int Nullary() = 0; - virtual bool Unary(int x) = 0; - virtual long Binary(short x, int y) = 0; // NOLINT - virtual int Decimal(bool b, char c, short d, int e, long f, // NOLINT - float g, double h, unsigned i, char* j, - const std::string& k) = 0; - - virtual bool TakesNonConstReference(int& n) = 0; // NOLINT - virtual std::string TakesConstReference(const int& n) = 0; - virtual bool TakesConst(const int x) = 0; - - virtual int OverloadedOnArgumentNumber() = 0; - virtual int OverloadedOnArgumentNumber(int n) = 0; - - virtual int OverloadedOnArgumentType(int n) = 0; - virtual char OverloadedOnArgumentType(char c) = 0; - - virtual int OverloadedOnConstness() = 0; - virtual char OverloadedOnConstness() const = 0; - - virtual int TypeWithHole(int (*func)()) = 0; - virtual int TypeWithComma(const std::map<int, std::string>& a_map) = 0; - virtual int TypeWithTemplatedCopyCtor( - const TemplatedCopyable<int>& a_vector) = 0; - -#if GTEST_OS_WINDOWS - STDMETHOD_(int, CTNullary)() = 0; - STDMETHOD_(bool, CTUnary)(int x) = 0; - STDMETHOD_(int, CTDecimal) - (bool b, char c, short d, int e, long f, // NOLINT - float g, double h, unsigned i, char* j, const std::string& k) = 0; - STDMETHOD_(char, CTConst)(int x) const = 0; -#endif // GTEST_OS_WINDOWS -}; - -// Const qualifiers on arguments were once (incorrectly) considered -// significant in determining whether two virtual functions had the same -// signature. This was fixed in Visual Studio 2008. However, the compiler -// still emits a warning that alerts about this change in behavior. -#ifdef _MSC_VER -# pragma warning(push) -# pragma warning(disable : 4373) -#endif -class MockFoo : public FooInterface { - public: - MockFoo() {} - - // Makes sure that a mock function parameter can be named. - MOCK_METHOD1(VoidReturning, void(int n)); // NOLINT - - MOCK_METHOD0(Nullary, int()); // NOLINT - - // Makes sure that a mock function parameter can be unnamed. - MOCK_METHOD1(Unary, bool(int)); // NOLINT - MOCK_METHOD2(Binary, long(short, int)); // NOLINT - MOCK_METHOD10(Decimal, int(bool, char, short, int, long, float, // NOLINT - double, unsigned, char*, const std::string& str)); - - MOCK_METHOD1(TakesNonConstReference, bool(int&)); // NOLINT - MOCK_METHOD1(TakesConstReference, std::string(const int&)); - MOCK_METHOD1(TakesConst, bool(const int)); // NOLINT - - // Tests that the function return type can contain unprotected comma. - MOCK_METHOD0(ReturnTypeWithComma, std::map<int, std::string>()); - MOCK_CONST_METHOD1(ReturnTypeWithComma, - std::map<int, std::string>(int)); // NOLINT - - MOCK_METHOD0(OverloadedOnArgumentNumber, int()); // NOLINT - MOCK_METHOD1(OverloadedOnArgumentNumber, int(int)); // NOLINT - - MOCK_METHOD1(OverloadedOnArgumentType, int(int)); // NOLINT - MOCK_METHOD1(OverloadedOnArgumentType, char(char)); // NOLINT - - MOCK_METHOD0(OverloadedOnConstness, int()); // NOLINT - MOCK_CONST_METHOD0(OverloadedOnConstness, char()); // NOLINT - - MOCK_METHOD1(TypeWithHole, int(int (*)())); // NOLINT - MOCK_METHOD1(TypeWithComma, - int(const std::map<int, std::string>&)); // NOLINT - MOCK_METHOD1(TypeWithTemplatedCopyCtor, - int(const TemplatedCopyable<int>&)); // NOLINT - -#if GTEST_OS_WINDOWS - MOCK_METHOD0_WITH_CALLTYPE(STDMETHODCALLTYPE, CTNullary, int()); - MOCK_METHOD1_WITH_CALLTYPE(STDMETHODCALLTYPE, CTUnary, bool(int)); - MOCK_METHOD10_WITH_CALLTYPE(STDMETHODCALLTYPE, CTDecimal, - int(bool b, char c, short d, int e, long f, - float g, double h, unsigned i, char* j, - const std::string& k)); - MOCK_CONST_METHOD1_WITH_CALLTYPE(STDMETHODCALLTYPE, CTConst, char(int)); - - // Tests that the function return type can contain unprotected comma. - MOCK_METHOD0_WITH_CALLTYPE(STDMETHODCALLTYPE, CTReturnTypeWithComma, - std::map<int, std::string>()); -#endif // GTEST_OS_WINDOWS - - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo); -}; -#ifdef _MSC_VER -# pragma warning(pop) -#endif - -class FunctionMockerTest : public testing::Test { - protected: - FunctionMockerTest() : foo_(&mock_foo_) {} - - FooInterface* const foo_; - MockFoo mock_foo_; -}; - -// Tests mocking a void-returning function. -TEST_F(FunctionMockerTest, MocksVoidFunction) { - EXPECT_CALL(mock_foo_, VoidReturning(Lt(100))); - foo_->VoidReturning(0); -} - -// Tests mocking a nullary function. -TEST_F(FunctionMockerTest, MocksNullaryFunction) { - EXPECT_CALL(mock_foo_, Nullary()) - .WillOnce(DoDefault()) - .WillOnce(Return(1)); - - EXPECT_EQ(0, foo_->Nullary()); - EXPECT_EQ(1, foo_->Nullary()); -} - -// Tests mocking a unary function. -TEST_F(FunctionMockerTest, MocksUnaryFunction) { - EXPECT_CALL(mock_foo_, Unary(Eq(2))) - .Times(2) - .WillOnce(Return(true)); - - EXPECT_TRUE(foo_->Unary(2)); - EXPECT_FALSE(foo_->Unary(2)); -} - -// Tests mocking a binary function. -TEST_F(FunctionMockerTest, MocksBinaryFunction) { - EXPECT_CALL(mock_foo_, Binary(2, _)) - .WillOnce(Return(3)); - - EXPECT_EQ(3, foo_->Binary(2, 1)); -} - -// Tests mocking a decimal function. -TEST_F(FunctionMockerTest, MocksDecimalFunction) { - EXPECT_CALL(mock_foo_, Decimal(true, 'a', 0, 0, 1L, A<float>(), Lt(100), 5U, - nullptr, "hi")) - .WillOnce(Return(5)); - - EXPECT_EQ(5, foo_->Decimal(true, 'a', 0, 0, 1, 0, 0, 5, nullptr, "hi")); -} - -// Tests mocking a function that takes a non-const reference. -TEST_F(FunctionMockerTest, MocksFunctionWithNonConstReferenceArgument) { - int a = 0; - EXPECT_CALL(mock_foo_, TakesNonConstReference(Ref(a))) - .WillOnce(Return(true)); - - EXPECT_TRUE(foo_->TakesNonConstReference(a)); -} - -// Tests mocking a function that takes a const reference. -TEST_F(FunctionMockerTest, MocksFunctionWithConstReferenceArgument) { - int a = 0; - EXPECT_CALL(mock_foo_, TakesConstReference(Ref(a))) - .WillOnce(Return("Hello")); - - EXPECT_EQ("Hello", foo_->TakesConstReference(a)); -} - -// Tests mocking a function that takes a const variable. -TEST_F(FunctionMockerTest, MocksFunctionWithConstArgument) { - EXPECT_CALL(mock_foo_, TakesConst(Lt(10))) - .WillOnce(DoDefault()); - - EXPECT_FALSE(foo_->TakesConst(5)); -} - -// Tests mocking functions overloaded on the number of arguments. -TEST_F(FunctionMockerTest, MocksFunctionsOverloadedOnArgumentNumber) { - EXPECT_CALL(mock_foo_, OverloadedOnArgumentNumber()) - .WillOnce(Return(1)); - EXPECT_CALL(mock_foo_, OverloadedOnArgumentNumber(_)) - .WillOnce(Return(2)); - - EXPECT_EQ(2, foo_->OverloadedOnArgumentNumber(1)); - EXPECT_EQ(1, foo_->OverloadedOnArgumentNumber()); -} - -// Tests mocking functions overloaded on the types of argument. -TEST_F(FunctionMockerTest, MocksFunctionsOverloadedOnArgumentType) { - EXPECT_CALL(mock_foo_, OverloadedOnArgumentType(An<int>())) - .WillOnce(Return(1)); - EXPECT_CALL(mock_foo_, OverloadedOnArgumentType(TypedEq<char>('a'))) - .WillOnce(Return('b')); - - EXPECT_EQ(1, foo_->OverloadedOnArgumentType(0)); - EXPECT_EQ('b', foo_->OverloadedOnArgumentType('a')); -} - -// Tests mocking functions overloaded on the const-ness of this object. -TEST_F(FunctionMockerTest, MocksFunctionsOverloadedOnConstnessOfThis) { - EXPECT_CALL(mock_foo_, OverloadedOnConstness()); - EXPECT_CALL(Const(mock_foo_), OverloadedOnConstness()) - .WillOnce(Return('a')); - - EXPECT_EQ(0, foo_->OverloadedOnConstness()); - EXPECT_EQ('a', Const(*foo_).OverloadedOnConstness()); -} - -TEST_F(FunctionMockerTest, MocksReturnTypeWithComma) { - const std::map<int, std::string> a_map; - EXPECT_CALL(mock_foo_, ReturnTypeWithComma()) - .WillOnce(Return(a_map)); - EXPECT_CALL(mock_foo_, ReturnTypeWithComma(42)) - .WillOnce(Return(a_map)); - - EXPECT_EQ(a_map, mock_foo_.ReturnTypeWithComma()); - EXPECT_EQ(a_map, mock_foo_.ReturnTypeWithComma(42)); -} - -TEST_F(FunctionMockerTest, MocksTypeWithTemplatedCopyCtor) { - EXPECT_CALL(mock_foo_, TypeWithTemplatedCopyCtor(_)).WillOnce(Return(true)); - EXPECT_TRUE(foo_->TypeWithTemplatedCopyCtor(TemplatedCopyable<int>())); -} - -#if GTEST_OS_WINDOWS -// Tests mocking a nullary function with calltype. -TEST_F(FunctionMockerTest, MocksNullaryFunctionWithCallType) { - EXPECT_CALL(mock_foo_, CTNullary()) - .WillOnce(Return(-1)) - .WillOnce(Return(0)); - - EXPECT_EQ(-1, foo_->CTNullary()); - EXPECT_EQ(0, foo_->CTNullary()); -} - -// Tests mocking a unary function with calltype. -TEST_F(FunctionMockerTest, MocksUnaryFunctionWithCallType) { - EXPECT_CALL(mock_foo_, CTUnary(Eq(2))) - .Times(2) - .WillOnce(Return(true)) - .WillOnce(Return(false)); - - EXPECT_TRUE(foo_->CTUnary(2)); - EXPECT_FALSE(foo_->CTUnary(2)); -} - -// Tests mocking a decimal function with calltype. -TEST_F(FunctionMockerTest, MocksDecimalFunctionWithCallType) { - EXPECT_CALL(mock_foo_, CTDecimal(true, 'a', 0, 0, 1L, A<float>(), Lt(100), 5U, - nullptr, "hi")) - .WillOnce(Return(10)); - - EXPECT_EQ(10, foo_->CTDecimal(true, 'a', 0, 0, 1, 0, 0, 5, nullptr, "hi")); -} - -// Tests mocking functions overloaded on the const-ness of this object. -TEST_F(FunctionMockerTest, MocksFunctionsConstFunctionWithCallType) { - EXPECT_CALL(Const(mock_foo_), CTConst(_)) - .WillOnce(Return('a')); - - EXPECT_EQ('a', Const(*foo_).CTConst(0)); -} - -TEST_F(FunctionMockerTest, MocksReturnTypeWithCommaAndCallType) { - const std::map<int, std::string> a_map; - EXPECT_CALL(mock_foo_, CTReturnTypeWithComma()) - .WillOnce(Return(a_map)); - - EXPECT_EQ(a_map, mock_foo_.CTReturnTypeWithComma()); -} - -#endif // GTEST_OS_WINDOWS - -class MockB { - public: - MockB() {} - - MOCK_METHOD0(DoB, void()); - - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockB); -}; - -// Tests that functions with no EXPECT_CALL() ruls can be called any -// number of times. -TEST(ExpectCallTest, UnmentionedFunctionCanBeCalledAnyNumberOfTimes) { - { - MockB b; - } - - { - MockB b; - b.DoB(); - } - - { - MockB b; - b.DoB(); - b.DoB(); - } -} - -// Tests mocking template interfaces. - -template <typename T> -class StackInterface { - public: - virtual ~StackInterface() {} - - // Template parameter appears in function parameter. - virtual void Push(const T& value) = 0; - virtual void Pop() = 0; - virtual int GetSize() const = 0; - // Template parameter appears in function return type. - virtual const T& GetTop() const = 0; -}; - -template <typename T> -class MockStack : public StackInterface<T> { - public: - MockStack() {} - - MOCK_METHOD1_T(Push, void(const T& elem)); - MOCK_METHOD0_T(Pop, void()); - MOCK_CONST_METHOD0_T(GetSize, int()); // NOLINT - MOCK_CONST_METHOD0_T(GetTop, const T&()); - - // Tests that the function return type can contain unprotected comma. - MOCK_METHOD0_T(ReturnTypeWithComma, std::map<int, int>()); - MOCK_CONST_METHOD1_T(ReturnTypeWithComma, std::map<int, int>(int)); // NOLINT - - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockStack); -}; - -// Tests that template mock works. -TEST(TemplateMockTest, Works) { - MockStack<int> mock; - - EXPECT_CALL(mock, GetSize()) - .WillOnce(Return(0)) - .WillOnce(Return(1)) - .WillOnce(Return(0)); - EXPECT_CALL(mock, Push(_)); - int n = 5; - EXPECT_CALL(mock, GetTop()) - .WillOnce(ReturnRef(n)); - EXPECT_CALL(mock, Pop()) - .Times(AnyNumber()); - - EXPECT_EQ(0, mock.GetSize()); - mock.Push(5); - EXPECT_EQ(1, mock.GetSize()); - EXPECT_EQ(5, mock.GetTop()); - mock.Pop(); - EXPECT_EQ(0, mock.GetSize()); -} - -TEST(TemplateMockTest, MethodWithCommaInReturnTypeWorks) { - MockStack<int> mock; - - const std::map<int, int> a_map; - EXPECT_CALL(mock, ReturnTypeWithComma()) - .WillOnce(Return(a_map)); - EXPECT_CALL(mock, ReturnTypeWithComma(1)) - .WillOnce(Return(a_map)); - - EXPECT_EQ(a_map, mock.ReturnTypeWithComma()); - EXPECT_EQ(a_map, mock.ReturnTypeWithComma(1)); -} - -#if GTEST_OS_WINDOWS -// Tests mocking template interfaces with calltype. - -template <typename T> -class StackInterfaceWithCallType { - public: - virtual ~StackInterfaceWithCallType() {} - - // Template parameter appears in function parameter. - STDMETHOD_(void, Push)(const T& value) = 0; - STDMETHOD_(void, Pop)() = 0; - STDMETHOD_(int, GetSize)() const = 0; - // Template parameter appears in function return type. - STDMETHOD_(const T&, GetTop)() const = 0; -}; - -template <typename T> -class MockStackWithCallType : public StackInterfaceWithCallType<T> { - public: - MockStackWithCallType() {} - - MOCK_METHOD1_T_WITH_CALLTYPE(STDMETHODCALLTYPE, Push, void(const T& elem)); - MOCK_METHOD0_T_WITH_CALLTYPE(STDMETHODCALLTYPE, Pop, void()); - MOCK_CONST_METHOD0_T_WITH_CALLTYPE(STDMETHODCALLTYPE, GetSize, int()); - MOCK_CONST_METHOD0_T_WITH_CALLTYPE(STDMETHODCALLTYPE, GetTop, const T&()); - - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockStackWithCallType); -}; - -// Tests that template mock with calltype works. -TEST(TemplateMockTestWithCallType, Works) { - MockStackWithCallType<int> mock; - - EXPECT_CALL(mock, GetSize()) - .WillOnce(Return(0)) - .WillOnce(Return(1)) - .WillOnce(Return(0)); - EXPECT_CALL(mock, Push(_)); - int n = 5; - EXPECT_CALL(mock, GetTop()) - .WillOnce(ReturnRef(n)); - EXPECT_CALL(mock, Pop()) - .Times(AnyNumber()); - - EXPECT_EQ(0, mock.GetSize()); - mock.Push(5); - EXPECT_EQ(1, mock.GetSize()); - EXPECT_EQ(5, mock.GetTop()); - mock.Pop(); - EXPECT_EQ(0, mock.GetSize()); -} -#endif // GTEST_OS_WINDOWS - -#define MY_MOCK_METHODS1_ \ - MOCK_METHOD0(Overloaded, void()); \ - MOCK_CONST_METHOD1(Overloaded, int(int n)); \ - MOCK_METHOD2(Overloaded, bool(bool f, int n)) - -class MockOverloadedOnArgNumber { - public: - MockOverloadedOnArgNumber() {} - - MY_MOCK_METHODS1_; - - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockOverloadedOnArgNumber); -}; - -TEST(OverloadedMockMethodTest, CanOverloadOnArgNumberInMacroBody) { - MockOverloadedOnArgNumber mock; - EXPECT_CALL(mock, Overloaded()); - EXPECT_CALL(mock, Overloaded(1)).WillOnce(Return(2)); - EXPECT_CALL(mock, Overloaded(true, 1)).WillOnce(Return(true)); - - mock.Overloaded(); - EXPECT_EQ(2, mock.Overloaded(1)); - EXPECT_TRUE(mock.Overloaded(true, 1)); -} - -#define MY_MOCK_METHODS2_ \ - MOCK_CONST_METHOD1(Overloaded, int(int n)); \ - MOCK_METHOD1(Overloaded, int(int n)) - -class MockOverloadedOnConstness { - public: - MockOverloadedOnConstness() {} - - MY_MOCK_METHODS2_; - - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockOverloadedOnConstness); -}; - -TEST(OverloadedMockMethodTest, CanOverloadOnConstnessInMacroBody) { - MockOverloadedOnConstness mock; - const MockOverloadedOnConstness* const_mock = &mock; - EXPECT_CALL(mock, Overloaded(1)).WillOnce(Return(2)); - EXPECT_CALL(*const_mock, Overloaded(1)).WillOnce(Return(3)); - - EXPECT_EQ(2, mock.Overloaded(1)); - EXPECT_EQ(3, const_mock->Overloaded(1)); -} - -TEST(MockFunctionTest, WorksForVoidNullary) { - MockFunction<void()> foo; - EXPECT_CALL(foo, Call()); - foo.Call(); -} - -TEST(MockFunctionTest, WorksForNonVoidNullary) { - MockFunction<int()> foo; - EXPECT_CALL(foo, Call()) - .WillOnce(Return(1)) - .WillOnce(Return(2)); - EXPECT_EQ(1, foo.Call()); - EXPECT_EQ(2, foo.Call()); -} - -TEST(MockFunctionTest, WorksForVoidUnary) { - MockFunction<void(int)> foo; - EXPECT_CALL(foo, Call(1)); - foo.Call(1); -} - -TEST(MockFunctionTest, WorksForNonVoidBinary) { - MockFunction<int(bool, int)> foo; - EXPECT_CALL(foo, Call(false, 42)) - .WillOnce(Return(1)) - .WillOnce(Return(2)); - EXPECT_CALL(foo, Call(true, Ge(100))) - .WillOnce(Return(3)); - EXPECT_EQ(1, foo.Call(false, 42)); - EXPECT_EQ(2, foo.Call(false, 42)); - EXPECT_EQ(3, foo.Call(true, 120)); -} - -TEST(MockFunctionTest, WorksFor10Arguments) { - MockFunction<int(bool a0, char a1, int a2, int a3, int a4, - int a5, int a6, char a7, int a8, bool a9)> foo; - EXPECT_CALL(foo, Call(_, 'a', _, _, _, _, _, _, _, _)) - .WillOnce(Return(1)) - .WillOnce(Return(2)); - EXPECT_EQ(1, foo.Call(false, 'a', 0, 0, 0, 0, 0, 'b', 0, true)); - EXPECT_EQ(2, foo.Call(true, 'a', 0, 0, 0, 0, 0, 'b', 1, false)); -} - -TEST(MockFunctionTest, AsStdFunction) { - MockFunction<int(int)> foo; - auto call = [](const std::function<int(int)> &f, int i) { - return f(i); - }; - EXPECT_CALL(foo, Call(1)).WillOnce(Return(-1)); - EXPECT_CALL(foo, Call(2)).WillOnce(Return(-2)); - EXPECT_EQ(-1, call(foo.AsStdFunction(), 1)); - EXPECT_EQ(-2, call(foo.AsStdFunction(), 2)); -} - -TEST(MockFunctionTest, AsStdFunctionReturnsReference) { - MockFunction<int&()> foo; - int value = 1; - EXPECT_CALL(foo, Call()).WillOnce(ReturnRef(value)); - int& ref = foo.AsStdFunction()(); - EXPECT_EQ(1, ref); - value = 2; - EXPECT_EQ(2, ref); -} - -TEST(MockFunctionTest, AsStdFunctionWithReferenceParameter) { - MockFunction<int(int &)> foo; - auto call = [](const std::function<int(int& )> &f, int &i) { - return f(i); - }; - int i = 42; - EXPECT_CALL(foo, Call(i)).WillOnce(Return(-1)); - EXPECT_EQ(-1, call(foo.AsStdFunction(), i)); -} - - -struct MockMethodSizes0 { - MOCK_METHOD0(func, void()); -}; -struct MockMethodSizes1 { - MOCK_METHOD1(func, void(int)); -}; -struct MockMethodSizes2 { - MOCK_METHOD2(func, void(int, int)); -}; -struct MockMethodSizes3 { - MOCK_METHOD3(func, void(int, int, int)); -}; -struct MockMethodSizes4 { - MOCK_METHOD4(func, void(int, int, int, int)); -}; - -TEST(MockFunctionTest, MockMethodSizeOverhead) { - EXPECT_EQ(sizeof(MockMethodSizes0), sizeof(MockMethodSizes1)); - EXPECT_EQ(sizeof(MockMethodSizes0), sizeof(MockMethodSizes2)); - EXPECT_EQ(sizeof(MockMethodSizes0), sizeof(MockMethodSizes3)); - EXPECT_EQ(sizeof(MockMethodSizes0), sizeof(MockMethodSizes4)); -} - -} // namespace gmock_generated_function_mockers_test -} // namespace testing diff --git a/googlemock/test/gmock-generated-matchers_test.cc b/googlemock/test/gmock-generated-matchers_test.cc deleted file mode 100644 index 6c4b30008b77..000000000000 --- a/googlemock/test/gmock-generated-matchers_test.cc +++ /dev/null @@ -1,1324 +0,0 @@ -// Copyright 2008, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// Google Mock - a framework for writing C++ mock classes. -// -// This file tests the built-in matchers generated by a script. - -// Silence warning C4244: 'initializing': conversion from 'int' to 'short', -// possible loss of data and C4100, unreferenced local parameter -#ifdef _MSC_VER -# pragma warning(push) -# pragma warning(disable:4244) -# pragma warning(disable:4100) -#endif - -#include "gmock/gmock-generated-matchers.h" - -#include <list> -#include <map> -#include <memory> -#include <set> -#include <sstream> -#include <string> -#include <utility> -#include <vector> - -#include "gmock/gmock.h" -#include "gtest/gtest.h" -#include "gtest/gtest-spi.h" - -namespace { - -using std::list; -using std::map; -using std::pair; -using std::set; -using std::stringstream; -using std::vector; -using testing::_; -using testing::AllOf; -using testing::AllOfArray; -using testing::AnyOf; -using testing::AnyOfArray; -using testing::Args; -using testing::Contains; -using testing::ElementsAre; -using testing::ElementsAreArray; -using testing::Eq; -using testing::Ge; -using testing::Gt; -using testing::Le; -using testing::Lt; -using testing::MakeMatcher; -using testing::Matcher; -using testing::MatcherInterface; -using testing::MatchResultListener; -using testing::Ne; -using testing::Not; -using testing::Pointee; -using testing::PrintToString; -using testing::Ref; -using testing::StaticAssertTypeEq; -using testing::StrEq; -using testing::Value; -using testing::internal::ElementsAreArrayMatcher; - -// Returns the description of the given matcher. -template <typename T> -std::string Describe(const Matcher<T>& m) { - stringstream ss; - m.DescribeTo(&ss); - return ss.str(); -} - -// Returns the description of the negation of the given matcher. -template <typename T> -std::string DescribeNegation(const Matcher<T>& m) { - stringstream ss; - m.DescribeNegationTo(&ss); - return ss.str(); -} - -// Returns the reason why x matches, or doesn't match, m. -template <typename MatcherType, typename Value> -std::string Explain(const MatcherType& m, const Value& x) { - stringstream ss; - m.ExplainMatchResultTo(x, &ss); - return ss.str(); -} - -// For testing ExplainMatchResultTo(). -class GreaterThanMatcher : public MatcherInterface<int> { - public: - explicit GreaterThanMatcher(int rhs) : rhs_(rhs) {} - - void DescribeTo(::std::ostream* os) const override { - *os << "is greater than " << rhs_; - } - - bool MatchAndExplain(int lhs, MatchResultListener* listener) const override { - const int diff = lhs - rhs_; - if (diff > 0) { - *listener << "which is " << diff << " more than " << rhs_; - } else if (diff == 0) { - *listener << "which is the same as " << rhs_; - } else { - *listener << "which is " << -diff << " less than " << rhs_; - } - - return lhs > rhs_; - } - - private: - int rhs_; -}; - -Matcher<int> GreaterThan(int n) { - return MakeMatcher(new GreaterThanMatcher(n)); -} - -// Tests for ElementsAre(). - -TEST(ElementsAreTest, CanDescribeExpectingNoElement) { - Matcher<const vector<int>&> m = ElementsAre(); - EXPECT_EQ("is empty", Describe(m)); -} - -TEST(ElementsAreTest, CanDescribeExpectingOneElement) { - Matcher<vector<int> > m = ElementsAre(Gt(5)); - EXPECT_EQ("has 1 element that is > 5", Describe(m)); -} - -TEST(ElementsAreTest, CanDescribeExpectingManyElements) { - Matcher<list<std::string> > m = ElementsAre(StrEq("one"), "two"); - EXPECT_EQ("has 2 elements where\n" - "element #0 is equal to \"one\",\n" - "element #1 is equal to \"two\"", Describe(m)); -} - -TEST(ElementsAreTest, CanDescribeNegationOfExpectingNoElement) { - Matcher<vector<int> > m = ElementsAre(); - EXPECT_EQ("isn't empty", DescribeNegation(m)); -} - -TEST(ElementsAreTest, CanDescribeNegationOfExpectingOneElment) { - Matcher<const list<int>& > m = ElementsAre(Gt(5)); - EXPECT_EQ("doesn't have 1 element, or\n" - "element #0 isn't > 5", DescribeNegation(m)); -} - -TEST(ElementsAreTest, CanDescribeNegationOfExpectingManyElements) { - Matcher<const list<std::string>&> m = ElementsAre("one", "two"); - EXPECT_EQ("doesn't have 2 elements, or\n" - "element #0 isn't equal to \"one\", or\n" - "element #1 isn't equal to \"two\"", DescribeNegation(m)); -} - -TEST(ElementsAreTest, DoesNotExplainTrivialMatch) { - Matcher<const list<int>& > m = ElementsAre(1, Ne(2)); - - list<int> test_list; - test_list.push_back(1); - test_list.push_back(3); - EXPECT_EQ("", Explain(m, test_list)); // No need to explain anything. -} - -TEST(ElementsAreTest, ExplainsNonTrivialMatch) { - Matcher<const vector<int>& > m = - ElementsAre(GreaterThan(1), 0, GreaterThan(2)); - - const int a[] = { 10, 0, 100 }; - vector<int> test_vector(a, a + GTEST_ARRAY_SIZE_(a)); - EXPECT_EQ("whose element #0 matches, which is 9 more than 1,\n" - "and whose element #2 matches, which is 98 more than 2", - Explain(m, test_vector)); -} - -TEST(ElementsAreTest, CanExplainMismatchWrongSize) { - Matcher<const list<int>& > m = ElementsAre(1, 3); - - list<int> test_list; - // No need to explain when the container is empty. - EXPECT_EQ("", Explain(m, test_list)); - - test_list.push_back(1); - EXPECT_EQ("which has 1 element", Explain(m, test_list)); -} - -TEST(ElementsAreTest, CanExplainMismatchRightSize) { - Matcher<const vector<int>& > m = ElementsAre(1, GreaterThan(5)); - - vector<int> v; - v.push_back(2); - v.push_back(1); - EXPECT_EQ("whose element #0 doesn't match", Explain(m, v)); - - v[0] = 1; - EXPECT_EQ("whose element #1 doesn't match, which is 4 less than 5", - Explain(m, v)); -} - -TEST(ElementsAreTest, MatchesOneElementVector) { - vector<std::string> test_vector; - test_vector.push_back("test string"); - - EXPECT_THAT(test_vector, ElementsAre(StrEq("test string"))); -} - -TEST(ElementsAreTest, MatchesOneElementList) { - list<std::string> test_list; - test_list.push_back("test string"); - - EXPECT_THAT(test_list, ElementsAre("test string")); -} - -TEST(ElementsAreTest, MatchesThreeElementVector) { - vector<std::string> test_vector; - test_vector.push_back("one"); - test_vector.push_back("two"); - test_vector.push_back("three"); - - EXPECT_THAT(test_vector, ElementsAre("one", StrEq("two"), _)); -} - -TEST(ElementsAreTest, MatchesOneElementEqMatcher) { - vector<int> test_vector; - test_vector.push_back(4); - - EXPECT_THAT(test_vector, ElementsAre(Eq(4))); -} - -TEST(ElementsAreTest, MatchesOneElementAnyMatcher) { - vector<int> test_vector; - test_vector.push_back(4); - - EXPECT_THAT(test_vector, ElementsAre(_)); -} - -TEST(ElementsAreTest, MatchesOneElementValue) { - vector<int> test_vector; - test_vector.push_back(4); - - EXPECT_THAT(test_vector, ElementsAre(4)); -} - -TEST(ElementsAreTest, MatchesThreeElementsMixedMatchers) { - vector<int> test_vector; - test_vector.push_back(1); - test_vector.push_back(2); - test_vector.push_back(3); - - EXPECT_THAT(test_vector, ElementsAre(1, Eq(2), _)); -} - -TEST(ElementsAreTest, MatchesTenElementVector) { - const int a[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }; - vector<int> test_vector(a, a + GTEST_ARRAY_SIZE_(a)); - - EXPECT_THAT(test_vector, - // The element list can contain values and/or matchers - // of different types. - ElementsAre(0, Ge(0), _, 3, 4, Ne(2), Eq(6), 7, 8, _)); -} - -TEST(ElementsAreTest, DoesNotMatchWrongSize) { - vector<std::string> test_vector; - test_vector.push_back("test string"); - test_vector.push_back("test string"); - - Matcher<vector<std::string> > m = ElementsAre(StrEq("test string")); - EXPECT_FALSE(m.Matches(test_vector)); -} - -TEST(ElementsAreTest, DoesNotMatchWrongValue) { - vector<std::string> test_vector; - test_vector.push_back("other string"); - - Matcher<vector<std::string> > m = ElementsAre(StrEq("test string")); - EXPECT_FALSE(m.Matches(test_vector)); -} - -TEST(ElementsAreTest, DoesNotMatchWrongOrder) { - vector<std::string> test_vector; - test_vector.push_back("one"); - test_vector.push_back("three"); - test_vector.push_back("two"); - - Matcher<vector<std::string> > m = - ElementsAre(StrEq("one"), StrEq("two"), StrEq("three")); - EXPECT_FALSE(m.Matches(test_vector)); -} - -TEST(ElementsAreTest, WorksForNestedContainer) { - const char* strings[] = { - "Hi", - "world" - }; - - vector<list<char> > nested; - for (size_t i = 0; i < GTEST_ARRAY_SIZE_(strings); i++) { - nested.push_back(list<char>(strings[i], strings[i] + strlen(strings[i]))); - } - - EXPECT_THAT(nested, ElementsAre(ElementsAre('H', Ne('e')), - ElementsAre('w', 'o', _, _, 'd'))); - EXPECT_THAT(nested, Not(ElementsAre(ElementsAre('H', 'e'), - ElementsAre('w', 'o', _, _, 'd')))); -} - -TEST(ElementsAreTest, WorksWithByRefElementMatchers) { - int a[] = { 0, 1, 2 }; - vector<int> v(a, a + GTEST_ARRAY_SIZE_(a)); - - EXPECT_THAT(v, ElementsAre(Ref(v[0]), Ref(v[1]), Ref(v[2]))); - EXPECT_THAT(v, Not(ElementsAre(Ref(v[0]), Ref(v[1]), Ref(a[2])))); -} - -TEST(ElementsAreTest, WorksWithContainerPointerUsingPointee) { - int a[] = { 0, 1, 2 }; - vector<int> v(a, a + GTEST_ARRAY_SIZE_(a)); - - EXPECT_THAT(&v, Pointee(ElementsAre(0, 1, _))); - EXPECT_THAT(&v, Not(Pointee(ElementsAre(0, _, 3)))); -} - -TEST(ElementsAreTest, WorksWithNativeArrayPassedByReference) { - int array[] = { 0, 1, 2 }; - EXPECT_THAT(array, ElementsAre(0, 1, _)); - EXPECT_THAT(array, Not(ElementsAre(1, _, _))); - EXPECT_THAT(array, Not(ElementsAre(0, _))); -} - -class NativeArrayPassedAsPointerAndSize { - public: - NativeArrayPassedAsPointerAndSize() {} - - MOCK_METHOD2(Helper, void(int* array, int size)); - - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(NativeArrayPassedAsPointerAndSize); -}; - -TEST(ElementsAreTest, WorksWithNativeArrayPassedAsPointerAndSize) { - int array[] = { 0, 1 }; - ::std::tuple<int*, size_t> array_as_tuple(array, 2); - EXPECT_THAT(array_as_tuple, ElementsAre(0, 1)); - EXPECT_THAT(array_as_tuple, Not(ElementsAre(0))); - - NativeArrayPassedAsPointerAndSize helper; - EXPECT_CALL(helper, Helper(_, _)) - .With(ElementsAre(0, 1)); - helper.Helper(array, 2); -} - -TEST(ElementsAreTest, WorksWithTwoDimensionalNativeArray) { - const char a2[][3] = { "hi", "lo" }; - EXPECT_THAT(a2, ElementsAre(ElementsAre('h', 'i', '\0'), - ElementsAre('l', 'o', '\0'))); - EXPECT_THAT(a2, ElementsAre(StrEq("hi"), StrEq("lo"))); - EXPECT_THAT(a2, ElementsAre(Not(ElementsAre('h', 'o', '\0')), - ElementsAre('l', 'o', '\0'))); -} - -TEST(ElementsAreTest, AcceptsStringLiteral) { - std::string array[] = {"hi", "one", "two"}; - EXPECT_THAT(array, ElementsAre("hi", "one", "two")); - EXPECT_THAT(array, Not(ElementsAre("hi", "one", "too"))); -} - -#ifndef _MSC_VER - -// The following test passes a value of type const char[] to a -// function template that expects const T&. Some versions of MSVC -// generates a compiler error C2665 for that. We believe it's a bug -// in MSVC. Therefore this test is #if-ed out for MSVC. - -// Declared here with the size unknown. Defined AFTER the following test. -extern const char kHi[]; - -TEST(ElementsAreTest, AcceptsArrayWithUnknownSize) { - // The size of kHi is not known in this test, but ElementsAre() should - // still accept it. - - std::string array1[] = {"hi"}; - EXPECT_THAT(array1, ElementsAre(kHi)); - - std::string array2[] = {"ho"}; - EXPECT_THAT(array2, Not(ElementsAre(kHi))); -} - -const char kHi[] = "hi"; - -#endif // _MSC_VER - -TEST(ElementsAreTest, MakesCopyOfArguments) { - int x = 1; - int y = 2; - // This should make a copy of x and y. - ::testing::internal::ElementsAreMatcher<std::tuple<int, int> > - polymorphic_matcher = ElementsAre(x, y); - // Changing x and y now shouldn't affect the meaning of the above matcher. - x = y = 0; - const int array1[] = { 1, 2 }; - EXPECT_THAT(array1, polymorphic_matcher); - const int array2[] = { 0, 0 }; - EXPECT_THAT(array2, Not(polymorphic_matcher)); -} - - -// Tests for ElementsAreArray(). Since ElementsAreArray() shares most -// of the implementation with ElementsAre(), we don't test it as -// thoroughly here. - -TEST(ElementsAreArrayTest, CanBeCreatedWithValueArray) { - const int a[] = { 1, 2, 3 }; - - vector<int> test_vector(a, a + GTEST_ARRAY_SIZE_(a)); - EXPECT_THAT(test_vector, ElementsAreArray(a)); - - test_vector[2] = 0; - EXPECT_THAT(test_vector, Not(ElementsAreArray(a))); -} - -TEST(ElementsAreArrayTest, CanBeCreatedWithArraySize) { - const char* a[] = { "one", "two", "three" }; - - vector<std::string> test_vector(a, a + GTEST_ARRAY_SIZE_(a)); - EXPECT_THAT(test_vector, ElementsAreArray(a, GTEST_ARRAY_SIZE_(a))); - - const char** p = a; - test_vector[0] = "1"; - EXPECT_THAT(test_vector, Not(ElementsAreArray(p, GTEST_ARRAY_SIZE_(a)))); -} - -TEST(ElementsAreArrayTest, CanBeCreatedWithoutArraySize) { - const char* a[] = { "one", "two", "three" }; - - vector<std::string> test_vector(a, a + GTEST_ARRAY_SIZE_(a)); - EXPECT_THAT(test_vector, ElementsAreArray(a)); - - test_vector[0] = "1"; - EXPECT_THAT(test_vector, Not(ElementsAreArray(a))); -} - -TEST(ElementsAreArrayTest, CanBeCreatedWithMatcherArray) { - const Matcher<std::string> kMatcherArray[] = {StrEq("one"), StrEq("two"), - StrEq("three")}; - - vector<std::string> test_vector; - test_vector.push_back("one"); - test_vector.push_back("two"); - test_vector.push_back("three"); - EXPECT_THAT(test_vector, ElementsAreArray(kMatcherArray)); - - test_vector.push_back("three"); - EXPECT_THAT(test_vector, Not(ElementsAreArray(kMatcherArray))); -} - -TEST(ElementsAreArrayTest, CanBeCreatedWithVector) { - const int a[] = { 1, 2, 3 }; - vector<int> test_vector(a, a + GTEST_ARRAY_SIZE_(a)); - const vector<int> expected(a, a + GTEST_ARRAY_SIZE_(a)); - EXPECT_THAT(test_vector, ElementsAreArray(expected)); - test_vector.push_back(4); - EXPECT_THAT(test_vector, Not(ElementsAreArray(expected))); -} - - -TEST(ElementsAreArrayTest, TakesInitializerList) { - const int a[5] = { 1, 2, 3, 4, 5 }; - EXPECT_THAT(a, ElementsAreArray({ 1, 2, 3, 4, 5 })); - EXPECT_THAT(a, Not(ElementsAreArray({ 1, 2, 3, 5, 4 }))); - EXPECT_THAT(a, Not(ElementsAreArray({ 1, 2, 3, 4, 6 }))); -} - -TEST(ElementsAreArrayTest, TakesInitializerListOfCStrings) { - const std::string a[5] = {"a", "b", "c", "d", "e"}; - EXPECT_THAT(a, ElementsAreArray({ "a", "b", "c", "d", "e" })); - EXPECT_THAT(a, Not(ElementsAreArray({ "a", "b", "c", "e", "d" }))); - EXPECT_THAT(a, Not(ElementsAreArray({ "a", "b", "c", "d", "ef" }))); -} - -TEST(ElementsAreArrayTest, TakesInitializerListOfSameTypedMatchers) { - const int a[5] = { 1, 2, 3, 4, 5 }; - EXPECT_THAT(a, ElementsAreArray( - { Eq(1), Eq(2), Eq(3), Eq(4), Eq(5) })); - EXPECT_THAT(a, Not(ElementsAreArray( - { Eq(1), Eq(2), Eq(3), Eq(4), Eq(6) }))); -} - -TEST(ElementsAreArrayTest, - TakesInitializerListOfDifferentTypedMatchers) { - const int a[5] = { 1, 2, 3, 4, 5 }; - // The compiler cannot infer the type of the initializer list if its - // elements have different types. We must explicitly specify the - // unified element type in this case. - EXPECT_THAT(a, ElementsAreArray<Matcher<int> >( - { Eq(1), Ne(-2), Ge(3), Le(4), Eq(5) })); - EXPECT_THAT(a, Not(ElementsAreArray<Matcher<int> >( - { Eq(1), Ne(-2), Ge(3), Le(4), Eq(6) }))); -} - - -TEST(ElementsAreArrayTest, CanBeCreatedWithMatcherVector) { - const int a[] = { 1, 2, 3 }; - const Matcher<int> kMatchers[] = { Eq(1), Eq(2), Eq(3) }; - vector<int> test_vector(a, a + GTEST_ARRAY_SIZE_(a)); - const vector<Matcher<int> > expected( - kMatchers, kMatchers + GTEST_ARRAY_SIZE_(kMatchers)); - EXPECT_THAT(test_vector, ElementsAreArray(expected)); - test_vector.push_back(4); - EXPECT_THAT(test_vector, Not(ElementsAreArray(expected))); -} - -TEST(ElementsAreArrayTest, CanBeCreatedWithIteratorRange) { - const int a[] = { 1, 2, 3 }; - const vector<int> test_vector(a, a + GTEST_ARRAY_SIZE_(a)); - const vector<int> expected(a, a + GTEST_ARRAY_SIZE_(a)); - EXPECT_THAT(test_vector, ElementsAreArray(expected.begin(), expected.end())); - // Pointers are iterators, too. - EXPECT_THAT(test_vector, ElementsAreArray(a, a + GTEST_ARRAY_SIZE_(a))); - // The empty range of NULL pointers should also be okay. - int* const null_int = nullptr; - EXPECT_THAT(test_vector, Not(ElementsAreArray(null_int, null_int))); - EXPECT_THAT((vector<int>()), ElementsAreArray(null_int, null_int)); -} - -// Since ElementsAre() and ElementsAreArray() share much of the -// implementation, we only do a sanity test for native arrays here. -TEST(ElementsAreArrayTest, WorksWithNativeArray) { - ::std::string a[] = { "hi", "ho" }; - ::std::string b[] = { "hi", "ho" }; - - EXPECT_THAT(a, ElementsAreArray(b)); - EXPECT_THAT(a, ElementsAreArray(b, 2)); - EXPECT_THAT(a, Not(ElementsAreArray(b, 1))); -} - -TEST(ElementsAreArrayTest, SourceLifeSpan) { - const int a[] = { 1, 2, 3 }; - vector<int> test_vector(a, a + GTEST_ARRAY_SIZE_(a)); - vector<int> expect(a, a + GTEST_ARRAY_SIZE_(a)); - ElementsAreArrayMatcher<int> matcher_maker = - ElementsAreArray(expect.begin(), expect.end()); - EXPECT_THAT(test_vector, matcher_maker); - // Changing in place the values that initialized matcher_maker should not - // affect matcher_maker anymore. It should have made its own copy of them. - typedef vector<int>::iterator Iter; - for (Iter it = expect.begin(); it != expect.end(); ++it) { *it += 10; } - EXPECT_THAT(test_vector, matcher_maker); - test_vector.push_back(3); - EXPECT_THAT(test_vector, Not(matcher_maker)); -} - -// Tests for the MATCHER*() macro family. - -// Tests that a simple MATCHER() definition works. - -MATCHER(IsEven, "") { return (arg % 2) == 0; } - -TEST(MatcherMacroTest, Works) { - const Matcher<int> m = IsEven(); - EXPECT_TRUE(m.Matches(6)); - EXPECT_FALSE(m.Matches(7)); - - EXPECT_EQ("is even", Describe(m)); - EXPECT_EQ("not (is even)", DescribeNegation(m)); - EXPECT_EQ("", Explain(m, 6)); - EXPECT_EQ("", Explain(m, 7)); -} - -// This also tests that the description string can reference 'negation'. -MATCHER(IsEven2, negation ? "is odd" : "is even") { - if ((arg % 2) == 0) { - // Verifies that we can stream to result_listener, a listener - // supplied by the MATCHER macro implicitly. - *result_listener << "OK"; - return true; - } else { - *result_listener << "% 2 == " << (arg % 2); - return false; - } -} - -// This also tests that the description string can reference matcher -// parameters. -MATCHER_P2(EqSumOf, x, y, std::string(negation ? "doesn't equal" : "equals") + - " the sum of " + PrintToString(x) + " and " + - PrintToString(y)) { - if (arg == (x + y)) { - *result_listener << "OK"; - return true; - } else { - // Verifies that we can stream to the underlying stream of - // result_listener. - if (result_listener->stream() != nullptr) { - *result_listener->stream() << "diff == " << (x + y - arg); - } - return false; - } -} - -// Tests that the matcher description can reference 'negation' and the -// matcher parameters. -TEST(MatcherMacroTest, DescriptionCanReferenceNegationAndParameters) { - const Matcher<int> m1 = IsEven2(); - EXPECT_EQ("is even", Describe(m1)); - EXPECT_EQ("is odd", DescribeNegation(m1)); - - const Matcher<int> m2 = EqSumOf(5, 9); - EXPECT_EQ("equals the sum of 5 and 9", Describe(m2)); - EXPECT_EQ("doesn't equal the sum of 5 and 9", DescribeNegation(m2)); -} - -// Tests explaining match result in a MATCHER* macro. -TEST(MatcherMacroTest, CanExplainMatchResult) { - const Matcher<int> m1 = IsEven2(); - EXPECT_EQ("OK", Explain(m1, 4)); - EXPECT_EQ("% 2 == 1", Explain(m1, 5)); - - const Matcher<int> m2 = EqSumOf(1, 2); - EXPECT_EQ("OK", Explain(m2, 3)); - EXPECT_EQ("diff == -1", Explain(m2, 4)); -} - -// Tests that the body of MATCHER() can reference the type of the -// value being matched. - -MATCHER(IsEmptyString, "") { - StaticAssertTypeEq< ::std::string, arg_type>(); - return arg == ""; -} - -MATCHER(IsEmptyStringByRef, "") { - StaticAssertTypeEq<const ::std::string&, arg_type>(); - return arg == ""; -} - -TEST(MatcherMacroTest, CanReferenceArgType) { - const Matcher< ::std::string> m1 = IsEmptyString(); - EXPECT_TRUE(m1.Matches("")); - - const Matcher<const ::std::string&> m2 = IsEmptyStringByRef(); - EXPECT_TRUE(m2.Matches("")); -} - -// Tests that MATCHER() can be used in a namespace. - -namespace matcher_test { -MATCHER(IsOdd, "") { return (arg % 2) != 0; } -} // namespace matcher_test - -TEST(MatcherMacroTest, WorksInNamespace) { - Matcher<int> m = matcher_test::IsOdd(); - EXPECT_FALSE(m.Matches(4)); - EXPECT_TRUE(m.Matches(5)); -} - -// Tests that Value() can be used to compose matchers. -MATCHER(IsPositiveOdd, "") { - return Value(arg, matcher_test::IsOdd()) && arg > 0; -} - -TEST(MatcherMacroTest, CanBeComposedUsingValue) { - EXPECT_THAT(3, IsPositiveOdd()); - EXPECT_THAT(4, Not(IsPositiveOdd())); - EXPECT_THAT(-1, Not(IsPositiveOdd())); -} - -// Tests that a simple MATCHER_P() definition works. - -MATCHER_P(IsGreaterThan32And, n, "") { return arg > 32 && arg > n; } - -TEST(MatcherPMacroTest, Works) { - const Matcher<int> m = IsGreaterThan32And(5); - EXPECT_TRUE(m.Matches(36)); - EXPECT_FALSE(m.Matches(5)); - - EXPECT_EQ("is greater than 32 and 5", Describe(m)); - EXPECT_EQ("not (is greater than 32 and 5)", DescribeNegation(m)); - EXPECT_EQ("", Explain(m, 36)); - EXPECT_EQ("", Explain(m, 5)); -} - -// Tests that the description is calculated correctly from the matcher name. -MATCHER_P(_is_Greater_Than32and_, n, "") { return arg > 32 && arg > n; } - -TEST(MatcherPMacroTest, GeneratesCorrectDescription) { - const Matcher<int> m = _is_Greater_Than32and_(5); - - EXPECT_EQ("is greater than 32 and 5", Describe(m)); - EXPECT_EQ("not (is greater than 32 and 5)", DescribeNegation(m)); - EXPECT_EQ("", Explain(m, 36)); - EXPECT_EQ("", Explain(m, 5)); -} - -// Tests that a MATCHER_P matcher can be explicitly instantiated with -// a reference parameter type. - -class UncopyableFoo { - public: - explicit UncopyableFoo(char value) : value_(value) {} - private: - UncopyableFoo(const UncopyableFoo&); - void operator=(const UncopyableFoo&); - - char value_; -}; - -MATCHER_P(ReferencesUncopyable, variable, "") { return &arg == &variable; } - -TEST(MatcherPMacroTest, WorksWhenExplicitlyInstantiatedWithReference) { - UncopyableFoo foo1('1'), foo2('2'); - const Matcher<const UncopyableFoo&> m = - ReferencesUncopyable<const UncopyableFoo&>(foo1); - - EXPECT_TRUE(m.Matches(foo1)); - EXPECT_FALSE(m.Matches(foo2)); - - // We don't want the address of the parameter printed, as most - // likely it will just annoy the user. If the address is - // interesting, the user should consider passing the parameter by - // pointer instead. - EXPECT_EQ("references uncopyable 1-byte object <31>", Describe(m)); -} - - -// Tests that the body of MATCHER_Pn() can reference the parameter -// types. - -MATCHER_P3(ParamTypesAreIntLongAndChar, foo, bar, baz, "") { - StaticAssertTypeEq<int, foo_type>(); - StaticAssertTypeEq<long, bar_type>(); // NOLINT - StaticAssertTypeEq<char, baz_type>(); - return arg == 0; -} - -TEST(MatcherPnMacroTest, CanReferenceParamTypes) { - EXPECT_THAT(0, ParamTypesAreIntLongAndChar(10, 20L, 'a')); -} - -// Tests that a MATCHER_Pn matcher can be explicitly instantiated with -// reference parameter types. - -MATCHER_P2(ReferencesAnyOf, variable1, variable2, "") { - return &arg == &variable1 || &arg == &variable2; -} - -TEST(MatcherPnMacroTest, WorksWhenExplicitlyInstantiatedWithReferences) { - UncopyableFoo foo1('1'), foo2('2'), foo3('3'); - const Matcher<const UncopyableFoo&> m = - ReferencesAnyOf<const UncopyableFoo&, const UncopyableFoo&>(foo1, foo2); - - EXPECT_TRUE(m.Matches(foo1)); - EXPECT_TRUE(m.Matches(foo2)); - EXPECT_FALSE(m.Matches(foo3)); -} - -TEST(MatcherPnMacroTest, - GeneratesCorretDescriptionWhenExplicitlyInstantiatedWithReferences) { - UncopyableFoo foo1('1'), foo2('2'); - const Matcher<const UncopyableFoo&> m = - ReferencesAnyOf<const UncopyableFoo&, const UncopyableFoo&>(foo1, foo2); - - // We don't want the addresses of the parameters printed, as most - // likely they will just annoy the user. If the addresses are - // interesting, the user should consider passing the parameters by - // pointers instead. - EXPECT_EQ("references any of (1-byte object <31>, 1-byte object <32>)", - Describe(m)); -} - -// Tests that a simple MATCHER_P2() definition works. - -MATCHER_P2(IsNotInClosedRange, low, hi, "") { return arg < low || arg > hi; } - -TEST(MatcherPnMacroTest, Works) { - const Matcher<const long&> m = IsNotInClosedRange(10, 20); // NOLINT - EXPECT_TRUE(m.Matches(36L)); - EXPECT_FALSE(m.Matches(15L)); - - EXPECT_EQ("is not in closed range (10, 20)", Describe(m)); - EXPECT_EQ("not (is not in closed range (10, 20))", DescribeNegation(m)); - EXPECT_EQ("", Explain(m, 36L)); - EXPECT_EQ("", Explain(m, 15L)); -} - -// Tests that MATCHER*() definitions can be overloaded on the number -// of parameters; also tests MATCHER_Pn() where n >= 3. - -MATCHER(EqualsSumOf, "") { return arg == 0; } -MATCHER_P(EqualsSumOf, a, "") { return arg == a; } -MATCHER_P2(EqualsSumOf, a, b, "") { return arg == a + b; } -MATCHER_P3(EqualsSumOf, a, b, c, "") { return arg == a + b + c; } -MATCHER_P4(EqualsSumOf, a, b, c, d, "") { return arg == a + b + c + d; } -MATCHER_P5(EqualsSumOf, a, b, c, d, e, "") { return arg == a + b + c + d + e; } -MATCHER_P6(EqualsSumOf, a, b, c, d, e, f, "") { - return arg == a + b + c + d + e + f; -} -MATCHER_P7(EqualsSumOf, a, b, c, d, e, f, g, "") { - return arg == a + b + c + d + e + f + g; -} -MATCHER_P8(EqualsSumOf, a, b, c, d, e, f, g, h, "") { - return arg == a + b + c + d + e + f + g + h; -} -MATCHER_P9(EqualsSumOf, a, b, c, d, e, f, g, h, i, "") { - return arg == a + b + c + d + e + f + g + h + i; -} -MATCHER_P10(EqualsSumOf, a, b, c, d, e, f, g, h, i, j, "") { - return arg == a + b + c + d + e + f + g + h + i + j; -} - -TEST(MatcherPnMacroTest, CanBeOverloadedOnNumberOfParameters) { - EXPECT_THAT(0, EqualsSumOf()); - EXPECT_THAT(1, EqualsSumOf(1)); - EXPECT_THAT(12, EqualsSumOf(10, 2)); - EXPECT_THAT(123, EqualsSumOf(100, 20, 3)); - EXPECT_THAT(1234, EqualsSumOf(1000, 200, 30, 4)); - EXPECT_THAT(12345, EqualsSumOf(10000, 2000, 300, 40, 5)); - EXPECT_THAT("abcdef", - EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f')); - EXPECT_THAT("abcdefg", - EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g')); - EXPECT_THAT("abcdefgh", - EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g', - "h")); - EXPECT_THAT("abcdefghi", - EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g', - "h", 'i')); - EXPECT_THAT("abcdefghij", - EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g', - "h", 'i', ::std::string("j"))); - - EXPECT_THAT(1, Not(EqualsSumOf())); - EXPECT_THAT(-1, Not(EqualsSumOf(1))); - EXPECT_THAT(-12, Not(EqualsSumOf(10, 2))); - EXPECT_THAT(-123, Not(EqualsSumOf(100, 20, 3))); - EXPECT_THAT(-1234, Not(EqualsSumOf(1000, 200, 30, 4))); - EXPECT_THAT(-12345, Not(EqualsSumOf(10000, 2000, 300, 40, 5))); - EXPECT_THAT("abcdef ", - Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f'))); - EXPECT_THAT("abcdefg ", - Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', - 'g'))); - EXPECT_THAT("abcdefgh ", - Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g', - "h"))); - EXPECT_THAT("abcdefghi ", - Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g', - "h", 'i'))); - EXPECT_THAT("abcdefghij ", - Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g', - "h", 'i', ::std::string("j")))); -} - -// Tests that a MATCHER_Pn() definition can be instantiated with any -// compatible parameter types. -TEST(MatcherPnMacroTest, WorksForDifferentParameterTypes) { - EXPECT_THAT(123, EqualsSumOf(100L, 20, static_cast<char>(3))); - EXPECT_THAT("abcd", EqualsSumOf(::std::string("a"), "b", 'c', "d")); - - EXPECT_THAT(124, Not(EqualsSumOf(100L, 20, static_cast<char>(3)))); - EXPECT_THAT("abcde", Not(EqualsSumOf(::std::string("a"), "b", 'c', "d"))); -} - -// Tests that the matcher body can promote the parameter types. - -MATCHER_P2(EqConcat, prefix, suffix, "") { - // The following lines promote the two parameters to desired types. - std::string prefix_str(prefix); - char suffix_char = static_cast<char>(suffix); - return arg == prefix_str + suffix_char; -} - -TEST(MatcherPnMacroTest, SimpleTypePromotion) { - Matcher<std::string> no_promo = - EqConcat(std::string("foo"), 't'); - Matcher<const std::string&> promo = - EqConcat("foo", static_cast<int>('t')); - EXPECT_FALSE(no_promo.Matches("fool")); - EXPECT_FALSE(promo.Matches("fool")); - EXPECT_TRUE(no_promo.Matches("foot")); - EXPECT_TRUE(promo.Matches("foot")); -} - -// Verifies the type of a MATCHER*. - -TEST(MatcherPnMacroTest, TypesAreCorrect) { - // EqualsSumOf() must be assignable to a EqualsSumOfMatcher variable. - EqualsSumOfMatcher a0 = EqualsSumOf(); - - // EqualsSumOf(1) must be assignable to a EqualsSumOfMatcherP variable. - EqualsSumOfMatcherP<int> a1 = EqualsSumOf(1); - - // EqualsSumOf(p1, ..., pk) must be assignable to a EqualsSumOfMatcherPk - // variable, and so on. - EqualsSumOfMatcherP2<int, char> a2 = EqualsSumOf(1, '2'); - EqualsSumOfMatcherP3<int, int, char> a3 = EqualsSumOf(1, 2, '3'); - EqualsSumOfMatcherP4<int, int, int, char> a4 = EqualsSumOf(1, 2, 3, '4'); - EqualsSumOfMatcherP5<int, int, int, int, char> a5 = - EqualsSumOf(1, 2, 3, 4, '5'); - EqualsSumOfMatcherP6<int, int, int, int, int, char> a6 = - EqualsSumOf(1, 2, 3, 4, 5, '6'); - EqualsSumOfMatcherP7<int, int, int, int, int, int, char> a7 = - EqualsSumOf(1, 2, 3, 4, 5, 6, '7'); - EqualsSumOfMatcherP8<int, int, int, int, int, int, int, char> a8 = - EqualsSumOf(1, 2, 3, 4, 5, 6, 7, '8'); - EqualsSumOfMatcherP9<int, int, int, int, int, int, int, int, char> a9 = - EqualsSumOf(1, 2, 3, 4, 5, 6, 7, 8, '9'); - EqualsSumOfMatcherP10<int, int, int, int, int, int, int, int, int, char> a10 = - EqualsSumOf(1, 2, 3, 4, 5, 6, 7, 8, 9, '0'); - - // Avoid "unused variable" warnings. - (void)a0; - (void)a1; - (void)a2; - (void)a3; - (void)a4; - (void)a5; - (void)a6; - (void)a7; - (void)a8; - (void)a9; - (void)a10; -} - -// Tests that matcher-typed parameters can be used in Value() inside a -// MATCHER_Pn definition. - -// Succeeds if arg matches exactly 2 of the 3 matchers. -MATCHER_P3(TwoOf, m1, m2, m3, "") { - const int count = static_cast<int>(Value(arg, m1)) - + static_cast<int>(Value(arg, m2)) + static_cast<int>(Value(arg, m3)); - return count == 2; -} - -TEST(MatcherPnMacroTest, CanUseMatcherTypedParameterInValue) { - EXPECT_THAT(42, TwoOf(Gt(0), Lt(50), Eq(10))); - EXPECT_THAT(0, Not(TwoOf(Gt(-1), Lt(1), Eq(0)))); -} - -// Tests Contains(). - -TEST(ContainsTest, ListMatchesWhenElementIsInContainer) { - list<int> some_list; - some_list.push_back(3); - some_list.push_back(1); - some_list.push_back(2); - EXPECT_THAT(some_list, Contains(1)); - EXPECT_THAT(some_list, Contains(Gt(2.5))); - EXPECT_THAT(some_list, Contains(Eq(2.0f))); - - list<std::string> another_list; - another_list.push_back("fee"); - another_list.push_back("fie"); - another_list.push_back("foe"); - another_list.push_back("fum"); - EXPECT_THAT(another_list, Contains(std::string("fee"))); -} - -TEST(ContainsTest, ListDoesNotMatchWhenElementIsNotInContainer) { - list<int> some_list; - some_list.push_back(3); - some_list.push_back(1); - EXPECT_THAT(some_list, Not(Contains(4))); -} - -TEST(ContainsTest, SetMatchesWhenElementIsInContainer) { - set<int> some_set; - some_set.insert(3); - some_set.insert(1); - some_set.insert(2); - EXPECT_THAT(some_set, Contains(Eq(1.0))); - EXPECT_THAT(some_set, Contains(Eq(3.0f))); - EXPECT_THAT(some_set, Contains(2)); - - set<const char*> another_set; - another_set.insert("fee"); - another_set.insert("fie"); - another_set.insert("foe"); - another_set.insert("fum"); - EXPECT_THAT(another_set, Contains(Eq(std::string("fum")))); -} - -TEST(ContainsTest, SetDoesNotMatchWhenElementIsNotInContainer) { - set<int> some_set; - some_set.insert(3); - some_set.insert(1); - EXPECT_THAT(some_set, Not(Contains(4))); - - set<const char*> c_string_set; - c_string_set.insert("hello"); - EXPECT_THAT(c_string_set, Not(Contains(std::string("hello").c_str()))); -} - -TEST(ContainsTest, ExplainsMatchResultCorrectly) { - const int a[2] = { 1, 2 }; - Matcher<const int (&)[2]> m = Contains(2); - EXPECT_EQ("whose element #1 matches", Explain(m, a)); - - m = Contains(3); - EXPECT_EQ("", Explain(m, a)); - - m = Contains(GreaterThan(0)); - EXPECT_EQ("whose element #0 matches, which is 1 more than 0", Explain(m, a)); - - m = Contains(GreaterThan(10)); - EXPECT_EQ("", Explain(m, a)); -} - -TEST(ContainsTest, DescribesItselfCorrectly) { - Matcher<vector<int> > m = Contains(1); - EXPECT_EQ("contains at least one element that is equal to 1", Describe(m)); - - Matcher<vector<int> > m2 = Not(m); - EXPECT_EQ("doesn't contain any element that is equal to 1", Describe(m2)); -} - -TEST(ContainsTest, MapMatchesWhenElementIsInContainer) { - map<const char*, int> my_map; - const char* bar = "a string"; - my_map[bar] = 2; - EXPECT_THAT(my_map, Contains(pair<const char* const, int>(bar, 2))); - - map<std::string, int> another_map; - another_map["fee"] = 1; - another_map["fie"] = 2; - another_map["foe"] = 3; - another_map["fum"] = 4; - EXPECT_THAT(another_map, - Contains(pair<const std::string, int>(std::string("fee"), 1))); - EXPECT_THAT(another_map, Contains(pair<const std::string, int>("fie", 2))); -} - -TEST(ContainsTest, MapDoesNotMatchWhenElementIsNotInContainer) { - map<int, int> some_map; - some_map[1] = 11; - some_map[2] = 22; - EXPECT_THAT(some_map, Not(Contains(pair<const int, int>(2, 23)))); -} - -TEST(ContainsTest, ArrayMatchesWhenElementIsInContainer) { - const char* string_array[] = { "fee", "fie", "foe", "fum" }; - EXPECT_THAT(string_array, Contains(Eq(std::string("fum")))); -} - -TEST(ContainsTest, ArrayDoesNotMatchWhenElementIsNotInContainer) { - int int_array[] = { 1, 2, 3, 4 }; - EXPECT_THAT(int_array, Not(Contains(5))); -} - -TEST(ContainsTest, AcceptsMatcher) { - const int a[] = { 1, 2, 3 }; - EXPECT_THAT(a, Contains(Gt(2))); - EXPECT_THAT(a, Not(Contains(Gt(4)))); -} - -TEST(ContainsTest, WorksForNativeArrayAsTuple) { - const int a[] = { 1, 2 }; - const int* const pointer = a; - EXPECT_THAT(std::make_tuple(pointer, 2), Contains(1)); - EXPECT_THAT(std::make_tuple(pointer, 2), Not(Contains(Gt(3)))); -} - -TEST(ContainsTest, WorksForTwoDimensionalNativeArray) { - int a[][3] = { { 1, 2, 3 }, { 4, 5, 6 } }; - EXPECT_THAT(a, Contains(ElementsAre(4, 5, 6))); - EXPECT_THAT(a, Contains(Contains(5))); - EXPECT_THAT(a, Not(Contains(ElementsAre(3, 4, 5)))); - EXPECT_THAT(a, Contains(Not(Contains(5)))); -} - -TEST(AllOfArrayTest, BasicForms) { - // Iterator - std::vector<int> v0{}; - std::vector<int> v1{1}; - std::vector<int> v2{2, 3}; - std::vector<int> v3{4, 4, 4}; - EXPECT_THAT(0, AllOfArray(v0.begin(), v0.end())); - EXPECT_THAT(1, AllOfArray(v1.begin(), v1.end())); - EXPECT_THAT(2, Not(AllOfArray(v1.begin(), v1.end()))); - EXPECT_THAT(3, Not(AllOfArray(v2.begin(), v2.end()))); - EXPECT_THAT(4, AllOfArray(v3.begin(), v3.end())); - // Pointer + size - int ar[6] = {1, 2, 3, 4, 4, 4}; - EXPECT_THAT(0, AllOfArray(ar, 0)); - EXPECT_THAT(1, AllOfArray(ar, 1)); - EXPECT_THAT(2, Not(AllOfArray(ar, 1))); - EXPECT_THAT(3, Not(AllOfArray(ar + 1, 3))); - EXPECT_THAT(4, AllOfArray(ar + 3, 3)); - // Array - // int ar0[0]; Not usable - int ar1[1] = {1}; - int ar2[2] = {2, 3}; - int ar3[3] = {4, 4, 4}; - // EXPECT_THAT(0, Not(AllOfArray(ar0))); // Cannot work - EXPECT_THAT(1, AllOfArray(ar1)); - EXPECT_THAT(2, Not(AllOfArray(ar1))); - EXPECT_THAT(3, Not(AllOfArray(ar2))); - EXPECT_THAT(4, AllOfArray(ar3)); - // Container - EXPECT_THAT(0, AllOfArray(v0)); - EXPECT_THAT(1, AllOfArray(v1)); - EXPECT_THAT(2, Not(AllOfArray(v1))); - EXPECT_THAT(3, Not(AllOfArray(v2))); - EXPECT_THAT(4, AllOfArray(v3)); - // Initializer - EXPECT_THAT(0, AllOfArray<int>({})); // Requires template arg. - EXPECT_THAT(1, AllOfArray({1})); - EXPECT_THAT(2, Not(AllOfArray({1}))); - EXPECT_THAT(3, Not(AllOfArray({2, 3}))); - EXPECT_THAT(4, AllOfArray({4, 4, 4})); -} - -TEST(AllOfArrayTest, Matchers) { - // vector - std::vector<Matcher<int>> matchers{Ge(1), Lt(2)}; - EXPECT_THAT(0, Not(AllOfArray(matchers))); - EXPECT_THAT(1, AllOfArray(matchers)); - EXPECT_THAT(2, Not(AllOfArray(matchers))); - // initializer_list - EXPECT_THAT(0, Not(AllOfArray({Ge(0), Ge(1)}))); - EXPECT_THAT(1, AllOfArray({Ge(0), Ge(1)})); -} - -TEST(AnyOfArrayTest, BasicForms) { - // Iterator - std::vector<int> v0{}; - std::vector<int> v1{1}; - std::vector<int> v2{2, 3}; - EXPECT_THAT(0, Not(AnyOfArray(v0.begin(), v0.end()))); - EXPECT_THAT(1, AnyOfArray(v1.begin(), v1.end())); - EXPECT_THAT(2, Not(AnyOfArray(v1.begin(), v1.end()))); - EXPECT_THAT(3, AnyOfArray(v2.begin(), v2.end())); - EXPECT_THAT(4, Not(AnyOfArray(v2.begin(), v2.end()))); - // Pointer + size - int ar[3] = {1, 2, 3}; - EXPECT_THAT(0, Not(AnyOfArray(ar, 0))); - EXPECT_THAT(1, AnyOfArray(ar, 1)); - EXPECT_THAT(2, Not(AnyOfArray(ar, 1))); - EXPECT_THAT(3, AnyOfArray(ar + 1, 2)); - EXPECT_THAT(4, Not(AnyOfArray(ar + 1, 2))); - // Array - // int ar0[0]; Not usable - int ar1[1] = {1}; - int ar2[2] = {2, 3}; - // EXPECT_THAT(0, Not(AnyOfArray(ar0))); // Cannot work - EXPECT_THAT(1, AnyOfArray(ar1)); - EXPECT_THAT(2, Not(AnyOfArray(ar1))); - EXPECT_THAT(3, AnyOfArray(ar2)); - EXPECT_THAT(4, Not(AnyOfArray(ar2))); - // Container - EXPECT_THAT(0, Not(AnyOfArray(v0))); - EXPECT_THAT(1, AnyOfArray(v1)); - EXPECT_THAT(2, Not(AnyOfArray(v1))); - EXPECT_THAT(3, AnyOfArray(v2)); - EXPECT_THAT(4, Not(AnyOfArray(v2))); - // Initializer - EXPECT_THAT(0, Not(AnyOfArray<int>({}))); // Requires template arg. - EXPECT_THAT(1, AnyOfArray({1})); - EXPECT_THAT(2, Not(AnyOfArray({1}))); - EXPECT_THAT(3, AnyOfArray({2, 3})); - EXPECT_THAT(4, Not(AnyOfArray({2, 3}))); -} - -TEST(AnyOfArrayTest, Matchers) { - // We negate test AllOfArrayTest.Matchers. - // vector - std::vector<Matcher<int>> matchers{Lt(1), Ge(2)}; - EXPECT_THAT(0, AnyOfArray(matchers)); - EXPECT_THAT(1, Not(AnyOfArray(matchers))); - EXPECT_THAT(2, AnyOfArray(matchers)); - // initializer_list - EXPECT_THAT(0, AnyOfArray({Lt(0), Lt(1)})); - EXPECT_THAT(1, Not(AllOfArray({Lt(0), Lt(1)}))); -} - -TEST(AnyOfArrayTest, ExplainsMatchResultCorrectly) { - // AnyOfArray and AllOfArry use the same underlying template-template, - // thus it is sufficient to test one here. - const std::vector<int> v0{}; - const std::vector<int> v1{1}; - const std::vector<int> v2{2, 3}; - const Matcher<int> m0 = AnyOfArray(v0); - const Matcher<int> m1 = AnyOfArray(v1); - const Matcher<int> m2 = AnyOfArray(v2); - EXPECT_EQ("", Explain(m0, 0)); - EXPECT_EQ("", Explain(m1, 1)); - EXPECT_EQ("", Explain(m1, 2)); - EXPECT_EQ("", Explain(m2, 3)); - EXPECT_EQ("", Explain(m2, 4)); - EXPECT_EQ("()", Describe(m0)); - EXPECT_EQ("(is equal to 1)", Describe(m1)); - EXPECT_EQ("(is equal to 2) or (is equal to 3)", Describe(m2)); - EXPECT_EQ("()", DescribeNegation(m0)); - EXPECT_EQ("(isn't equal to 1)", DescribeNegation(m1)); - EXPECT_EQ("(isn't equal to 2) and (isn't equal to 3)", DescribeNegation(m2)); - // Explain with matchers - const Matcher<int> g1 = AnyOfArray({GreaterThan(1)}); - const Matcher<int> g2 = AnyOfArray({GreaterThan(1), GreaterThan(2)}); - // Explains the first positiv match and all prior negative matches... - EXPECT_EQ("which is 1 less than 1", Explain(g1, 0)); - EXPECT_EQ("which is the same as 1", Explain(g1, 1)); - EXPECT_EQ("which is 1 more than 1", Explain(g1, 2)); - EXPECT_EQ("which is 1 less than 1, and which is 2 less than 2", - Explain(g2, 0)); - EXPECT_EQ("which is the same as 1, and which is 1 less than 2", - Explain(g2, 1)); - EXPECT_EQ("which is 1 more than 1", // Only the first - Explain(g2, 2)); -} - -TEST(AllOfTest, HugeMatcher) { - // Verify that using AllOf with many arguments doesn't cause - // the compiler to exceed template instantiation depth limit. - EXPECT_THAT(0, testing::AllOf(_, _, _, _, _, _, _, _, _, - testing::AllOf(_, _, _, _, _, _, _, _, _, _))); -} - -TEST(AnyOfTest, HugeMatcher) { - // Verify that using AnyOf with many arguments doesn't cause - // the compiler to exceed template instantiation depth limit. - EXPECT_THAT(0, testing::AnyOf(_, _, _, _, _, _, _, _, _, - testing::AnyOf(_, _, _, _, _, _, _, _, _, _))); -} - -namespace adl_test { - -// Verifies that the implementation of ::testing::AllOf and ::testing::AnyOf -// don't issue unqualified recursive calls. If they do, the argument dependent -// name lookup will cause AllOf/AnyOf in the 'adl_test' namespace to be found -// as a candidate and the compilation will break due to an ambiguous overload. - -// The matcher must be in the same namespace as AllOf/AnyOf to make argument -// dependent lookup find those. -MATCHER(M, "") { return true; } - -template <typename T1, typename T2> -bool AllOf(const T1& /*t1*/, const T2& /*t2*/) { return true; } - -TEST(AllOfTest, DoesNotCallAllOfUnqualified) { - EXPECT_THAT(42, testing::AllOf( - M(), M(), M(), M(), M(), M(), M(), M(), M(), M())); -} - -template <typename T1, typename T2> bool -AnyOf(const T1& t1, const T2& t2) { return true; } - -TEST(AnyOfTest, DoesNotCallAnyOfUnqualified) { - EXPECT_THAT(42, testing::AnyOf( - M(), M(), M(), M(), M(), M(), M(), M(), M(), M())); -} - -} // namespace adl_test - - -TEST(AllOfTest, WorksOnMoveOnlyType) { - std::unique_ptr<int> p(new int(3)); - EXPECT_THAT(p, AllOf(Pointee(Eq(3)), Pointee(Gt(0)), Pointee(Lt(5)))); - EXPECT_THAT(p, Not(AllOf(Pointee(Eq(3)), Pointee(Gt(0)), Pointee(Lt(3))))); -} - -TEST(AnyOfTest, WorksOnMoveOnlyType) { - std::unique_ptr<int> p(new int(3)); - EXPECT_THAT(p, AnyOf(Pointee(Eq(5)), Pointee(Lt(0)), Pointee(Lt(5)))); - EXPECT_THAT(p, Not(AnyOf(Pointee(Eq(5)), Pointee(Lt(0)), Pointee(Gt(5))))); -} - -MATCHER(IsNotNull, "") { - return arg != nullptr; -} - -// Verifies that a matcher defined using MATCHER() can work on -// move-only types. -TEST(MatcherMacroTest, WorksOnMoveOnlyType) { - std::unique_ptr<int> p(new int(3)); - EXPECT_THAT(p, IsNotNull()); - EXPECT_THAT(std::unique_ptr<int>(), Not(IsNotNull())); -} - -MATCHER_P(UniquePointee, pointee, "") { - return *arg == pointee; -} - -// Verifies that a matcher defined using MATCHER_P*() can work on -// move-only types. -TEST(MatcherPMacroTest, WorksOnMoveOnlyType) { - std::unique_ptr<int> p(new int(3)); - EXPECT_THAT(p, UniquePointee(3)); - EXPECT_THAT(p, Not(UniquePointee(2))); -} - - -} // namespace - -#ifdef _MSC_VER -# pragma warning(pop) -#endif diff --git a/googlemock/test/gmock-internal-utils_test.cc b/googlemock/test/gmock-internal-utils_test.cc index d000e6924cdf..6c769a882a69 100644 --- a/googlemock/test/gmock-internal-utils_test.cc +++ b/googlemock/test/gmock-internal-utils_test.cc @@ -27,7 +27,6 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - // Google Mock - a framework for writing C++ mock classes. // // This file tests the internal utilities. @@ -36,11 +35,12 @@ #include <stdlib.h> +#include <cstdint> #include <map> #include <memory> #include <sstream> #include <string> -#include <type_traits> +#include <tuple> #include <vector> #include "gmock/gmock.h" @@ -57,8 +57,8 @@ #include "src/gtest-internal-inl.h" #undef GTEST_IMPLEMENTATION_ -#if GTEST_OS_CYGWIN -# include <sys/types.h> // For ssize_t. NOLINT +#ifdef GTEST_OS_CYGWIN +#include <sys/types.h> // For ssize_t. NOLINT #endif namespace proto2 { @@ -70,24 +70,23 @@ namespace internal { namespace { -TEST(JoinAsTupleTest, JoinsEmptyTuple) { - EXPECT_EQ("", JoinAsTuple(Strings())); +TEST(JoinAsKeyValueTupleTest, JoinsEmptyTuple) { + EXPECT_EQ("", JoinAsKeyValueTuple({}, Strings())); } -TEST(JoinAsTupleTest, JoinsOneTuple) { - const char* fields[] = {"1"}; - EXPECT_EQ("1", JoinAsTuple(Strings(fields, fields + 1))); +TEST(JoinAsKeyValueTupleTest, JoinsOneTuple) { + EXPECT_EQ("(a: 1)", JoinAsKeyValueTuple({"a"}, {"1"})); } -TEST(JoinAsTupleTest, JoinsTwoTuple) { - const char* fields[] = {"1", "a"}; - EXPECT_EQ("(1, a)", JoinAsTuple(Strings(fields, fields + 2))); +TEST(JoinAsKeyValueTupleTest, JoinsTwoTuple) { + EXPECT_EQ("(a: 1, b: 2)", JoinAsKeyValueTuple({"a", "b"}, {"1", "2"})); } -TEST(JoinAsTupleTest, JoinsTenTuple) { - const char* fields[] = {"1", "2", "3", "4", "5", "6", "7", "8", "9", "10"}; - EXPECT_EQ("(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)", - JoinAsTuple(Strings(fields, fields + 10))); +TEST(JoinAsKeyValueTupleTest, JoinsTenTuple) { + EXPECT_EQ( + "(a: 1, b: 2, c: 3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9, j: 10)", + JoinAsKeyValueTuple({"a", "b", "c", "d", "e", "f", "g", "h", "i", "j"}, + {"1", "2", "3", "4", "5", "6", "7", "8", "9", "10"})); } TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsNoWord) { @@ -124,20 +123,6 @@ TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameIsMixture) { ConvertIdentifierNameToWords("_Chapter11Section_1_")); } -TEST(PointeeOfTest, WorksForSmartPointers) { - EXPECT_TRUE( - (std::is_same<int, PointeeOf<std::unique_ptr<int>>::type>::value)); - EXPECT_TRUE( - (std::is_same<std::string, - PointeeOf<std::shared_ptr<std::string>>::type>::value)); -} - -TEST(PointeeOfTest, WorksForRawPointers) { - EXPECT_TRUE((std::is_same<int, PointeeOf<int*>::type>::value)); - EXPECT_TRUE((std::is_same<const char, PointeeOf<const char*>::type>::value)); - EXPECT_TRUE((std::is_void<PointeeOf<void*>::type>::value)); -} - TEST(GetRawPointerTest, WorksForSmartPointers) { const char* const raw_p1 = new const char('a'); // NOLINT const std::unique_ptr<const char> p1(raw_p1); @@ -154,6 +139,12 @@ TEST(GetRawPointerTest, WorksForRawPointers) { EXPECT_EQ(&n, GetRawPointer(&n)); } +TEST(GetRawPointerTest, WorksForStdReferenceWrapper) { + int n = 1; + EXPECT_EQ(&n, GetRawPointer(std::ref(n))); + EXPECT_EQ(&n, GetRawPointer(std::cref(n))); +} + // Tests KindOf<T>. class Base {}; @@ -164,35 +155,35 @@ TEST(KindOfTest, Bool) { } TEST(KindOfTest, Integer) { - EXPECT_EQ(kInteger, GMOCK_KIND_OF_(char)); // NOLINT - EXPECT_EQ(kInteger, GMOCK_KIND_OF_(signed char)); // NOLINT - EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned char)); // NOLINT - EXPECT_EQ(kInteger, GMOCK_KIND_OF_(short)); // NOLINT - EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned short)); // NOLINT - EXPECT_EQ(kInteger, GMOCK_KIND_OF_(int)); // NOLINT - EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned int)); // NOLINT - EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long)); // NOLINT - EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long)); // NOLINT - EXPECT_EQ(kInteger, GMOCK_KIND_OF_(wchar_t)); // NOLINT - EXPECT_EQ(kInteger, GMOCK_KIND_OF_(Int64)); // NOLINT - EXPECT_EQ(kInteger, GMOCK_KIND_OF_(UInt64)); // NOLINT - EXPECT_EQ(kInteger, GMOCK_KIND_OF_(size_t)); // NOLINT -#if GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(char)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(signed char)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned char)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(short)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned short)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(int)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned int)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long long)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long long)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(wchar_t)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(size_t)); // NOLINT +#if defined(GTEST_OS_LINUX) || defined(GTEST_OS_MAC) || defined(GTEST_OS_CYGWIN) // ssize_t is not defined on Windows and possibly some other OSes. EXPECT_EQ(kInteger, GMOCK_KIND_OF_(ssize_t)); // NOLINT #endif } TEST(KindOfTest, FloatingPoint) { - EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(float)); // NOLINT - EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(double)); // NOLINT + EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(float)); // NOLINT + EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(double)); // NOLINT EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(long double)); // NOLINT } TEST(KindOfTest, Other) { - EXPECT_EQ(kOther, GMOCK_KIND_OF_(void*)); // NOLINT + EXPECT_EQ(kOther, GMOCK_KIND_OF_(void*)); // NOLINT EXPECT_EQ(kOther, GMOCK_KIND_OF_(char**)); // NOLINT - EXPECT_EQ(kOther, GMOCK_KIND_OF_(Base)); // NOLINT + EXPECT_EQ(kOther, GMOCK_KIND_OF_(Base)); // NOLINT } // Tests LosslessArithmeticConvertible<T, U>. @@ -223,32 +214,33 @@ TEST(LosslessArithmeticConvertibleTest, IntegerToInteger) { EXPECT_TRUE((LosslessArithmeticConvertible<unsigned char, int>::value)); // Unsigned => larger unsigned is fine. - EXPECT_TRUE( - (LosslessArithmeticConvertible<unsigned short, UInt64>::value)); // NOLINT + EXPECT_TRUE((LosslessArithmeticConvertible<unsigned short, + uint64_t>::value)); // NOLINT // Signed => unsigned is not fine. - EXPECT_FALSE((LosslessArithmeticConvertible<short, UInt64>::value)); // NOLINT - EXPECT_FALSE((LosslessArithmeticConvertible< - signed char, unsigned int>::value)); // NOLINT + EXPECT_FALSE( + (LosslessArithmeticConvertible<short, uint64_t>::value)); // NOLINT + EXPECT_FALSE((LosslessArithmeticConvertible<signed char, + unsigned int>::value)); // NOLINT // Same size and same signedness: fine too. - EXPECT_TRUE((LosslessArithmeticConvertible< - unsigned char, unsigned char>::value)); + EXPECT_TRUE( + (LosslessArithmeticConvertible<unsigned char, unsigned char>::value)); EXPECT_TRUE((LosslessArithmeticConvertible<int, int>::value)); EXPECT_TRUE((LosslessArithmeticConvertible<wchar_t, wchar_t>::value)); - EXPECT_TRUE((LosslessArithmeticConvertible< - unsigned long, unsigned long>::value)); // NOLINT + EXPECT_TRUE((LosslessArithmeticConvertible<unsigned long, + unsigned long>::value)); // NOLINT // Same size, different signedness: not fine. - EXPECT_FALSE((LosslessArithmeticConvertible< - unsigned char, signed char>::value)); + EXPECT_FALSE( + (LosslessArithmeticConvertible<unsigned char, signed char>::value)); EXPECT_FALSE((LosslessArithmeticConvertible<int, unsigned int>::value)); - EXPECT_FALSE((LosslessArithmeticConvertible<UInt64, Int64>::value)); + EXPECT_FALSE((LosslessArithmeticConvertible<uint64_t, int64_t>::value)); // Larger size => smaller size is not fine. EXPECT_FALSE((LosslessArithmeticConvertible<long, char>::value)); // NOLINT EXPECT_FALSE((LosslessArithmeticConvertible<int, signed char>::value)); - EXPECT_FALSE((LosslessArithmeticConvertible<Int64, unsigned int>::value)); + EXPECT_FALSE((LosslessArithmeticConvertible<int64_t, unsigned int>::value)); } TEST(LosslessArithmeticConvertibleTest, IntegerToFloatingPoint) { @@ -256,8 +248,8 @@ TEST(LosslessArithmeticConvertibleTest, IntegerToFloatingPoint) { // the format of the latter is implementation-defined. EXPECT_FALSE((LosslessArithmeticConvertible<char, float>::value)); EXPECT_FALSE((LosslessArithmeticConvertible<int, double>::value)); - EXPECT_FALSE((LosslessArithmeticConvertible< - short, long double>::value)); // NOLINT + EXPECT_FALSE( + (LosslessArithmeticConvertible<short, long double>::value)); // NOLINT } TEST(LosslessArithmeticConvertibleTest, FloatingPointToBool) { @@ -267,7 +259,7 @@ TEST(LosslessArithmeticConvertibleTest, FloatingPointToBool) { TEST(LosslessArithmeticConvertibleTest, FloatingPointToInteger) { EXPECT_FALSE((LosslessArithmeticConvertible<float, long>::value)); // NOLINT - EXPECT_FALSE((LosslessArithmeticConvertible<double, Int64>::value)); + EXPECT_FALSE((LosslessArithmeticConvertible<double, int64_t>::value)); EXPECT_FALSE((LosslessArithmeticConvertible<long double, int>::value)); } @@ -285,7 +277,7 @@ TEST(LosslessArithmeticConvertibleTest, FloatingPointToFloatingPoint) { EXPECT_FALSE((LosslessArithmeticConvertible<double, float>::value)); GTEST_INTENTIONAL_CONST_COND_PUSH_() if (sizeof(double) == sizeof(long double)) { // NOLINT - GTEST_INTENTIONAL_CONST_COND_POP_() + GTEST_INTENTIONAL_CONST_COND_POP_() // In some implementations (e.g. MSVC), double and long double // have the same size. EXPECT_TRUE((LosslessArithmeticConvertible<long double, double>::value)); @@ -304,7 +296,7 @@ TEST(TupleMatchesTest, WorksForSize0) { } TEST(TupleMatchesTest, WorksForSize1) { - std::tuple<Matcher<int> > matchers(Eq(1)); + std::tuple<Matcher<int>> matchers(Eq(1)); std::tuple<int> values1(1), values2(2); EXPECT_TRUE(TupleMatches(matchers, values1)); @@ -312,7 +304,7 @@ TEST(TupleMatchesTest, WorksForSize1) { } TEST(TupleMatchesTest, WorksForSize2) { - std::tuple<Matcher<int>, Matcher<char> > matchers(Eq(1), Eq('a')); + std::tuple<Matcher<int>, Matcher<char>> matchers(Eq(1), Eq('a')); std::tuple<int, char> values1(1, 'a'), values2(1, 'b'), values3(2, 'a'), values4(2, 'b'); @@ -325,7 +317,7 @@ TEST(TupleMatchesTest, WorksForSize2) { TEST(TupleMatchesTest, WorksForSize5) { std::tuple<Matcher<int>, Matcher<char>, Matcher<bool>, Matcher<long>, // NOLINT - Matcher<std::string> > + Matcher<std::string>> matchers(Eq(1), Eq('a'), Eq(true), Eq(2L), Eq("hi")); std::tuple<int, char, bool, long, std::string> // NOLINT values1(1, 'a', true, 2L, "hi"), values2(1, 'a', true, 2L, "hello"), @@ -344,13 +336,10 @@ TEST(AssertTest, SucceedsOnTrue) { // Tests that Assert(false, ...) generates a fatal failure. TEST(AssertTest, FailsFatallyOnFalse) { - EXPECT_DEATH_IF_SUPPORTED({ - Assert(false, __FILE__, __LINE__, "This should fail."); - }, ""); + EXPECT_DEATH_IF_SUPPORTED( + { Assert(false, __FILE__, __LINE__, "This should fail."); }, ""); - EXPECT_DEATH_IF_SUPPORTED({ - Assert(false, __FILE__, __LINE__); - }, ""); + EXPECT_DEATH_IF_SUPPORTED({ Assert(false, __FILE__, __LINE__); }, ""); } // Tests that Expect(true, ...) succeeds. @@ -361,40 +350,44 @@ TEST(ExpectTest, SucceedsOnTrue) { // Tests that Expect(false, ...) generates a non-fatal failure. TEST(ExpectTest, FailsNonfatallyOnFalse) { - EXPECT_NONFATAL_FAILURE({ // NOLINT - Expect(false, __FILE__, __LINE__, "This should fail."); - }, "This should fail"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + Expect(false, __FILE__, __LINE__, "This should fail."); + }, + "This should fail"); - EXPECT_NONFATAL_FAILURE({ // NOLINT - Expect(false, __FILE__, __LINE__); - }, "Expectation failed"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + Expect(false, __FILE__, __LINE__); + }, + "Expectation failed"); } // Tests LogIsVisible(). class LogIsVisibleTest : public ::testing::Test { protected: - void SetUp() override { original_verbose_ = GMOCK_FLAG(verbose); } + void SetUp() override { original_verbose_ = GMOCK_FLAG_GET(verbose); } - void TearDown() override { GMOCK_FLAG(verbose) = original_verbose_; } + void TearDown() override { GMOCK_FLAG_SET(verbose, original_verbose_); } std::string original_verbose_; }; TEST_F(LogIsVisibleTest, AlwaysReturnsTrueIfVerbosityIsInfo) { - GMOCK_FLAG(verbose) = kInfoVerbosity; + GMOCK_FLAG_SET(verbose, kInfoVerbosity); EXPECT_TRUE(LogIsVisible(kInfo)); EXPECT_TRUE(LogIsVisible(kWarning)); } TEST_F(LogIsVisibleTest, AlwaysReturnsFalseIfVerbosityIsError) { - GMOCK_FLAG(verbose) = kErrorVerbosity; + GMOCK_FLAG_SET(verbose, kErrorVerbosity); EXPECT_FALSE(LogIsVisible(kInfo)); EXPECT_FALSE(LogIsVisible(kWarning)); } TEST_F(LogIsVisibleTest, WorksWhenVerbosityIsWarning) { - GMOCK_FLAG(verbose) = kWarningVerbosity; + GMOCK_FLAG_SET(verbose, kWarningVerbosity); EXPECT_FALSE(LogIsVisible(kInfo)); EXPECT_TRUE(LogIsVisible(kWarning)); } @@ -407,31 +400,31 @@ TEST_F(LogIsVisibleTest, WorksWhenVerbosityIsWarning) { // and log severity. void TestLogWithSeverity(const std::string& verbosity, LogSeverity severity, bool should_print) { - const std::string old_flag = GMOCK_FLAG(verbose); - GMOCK_FLAG(verbose) = verbosity; + const std::string old_flag = GMOCK_FLAG_GET(verbose); + GMOCK_FLAG_SET(verbose, verbosity); CaptureStdout(); Log(severity, "Test log.\n", 0); if (should_print) { - EXPECT_THAT(GetCapturedStdout().c_str(), - ContainsRegex( - severity == kWarning ? - "^\nGMOCK WARNING:\nTest log\\.\nStack trace:\n" : - "^\nTest log\\.\nStack trace:\n")); + EXPECT_THAT( + GetCapturedStdout().c_str(), + ContainsRegex(severity == kWarning + ? "^\nGMOCK WARNING:\nTest log\\.\nStack trace:\n" + : "^\nTest log\\.\nStack trace:\n")); } else { EXPECT_STREQ("", GetCapturedStdout().c_str()); } - GMOCK_FLAG(verbose) = old_flag; + GMOCK_FLAG_SET(verbose, old_flag); } // Tests that when the stack_frames_to_skip parameter is negative, // Log() doesn't include the stack trace in the output. TEST(LogTest, NoStackTraceWhenStackFramesToSkipIsNegative) { - const std::string saved_flag = GMOCK_FLAG(verbose); - GMOCK_FLAG(verbose) = kInfoVerbosity; + const std::string saved_flag = GMOCK_FLAG_GET(verbose); + GMOCK_FLAG_SET(verbose, kInfoVerbosity); CaptureStdout(); Log(kInfo, "Test log.\n", -1); EXPECT_STREQ("\nTest log.\n", GetCapturedStdout().c_str()); - GMOCK_FLAG(verbose) = saved_flag; + GMOCK_FLAG_SET(verbose, saved_flag); } struct MockStackTraceGetter : testing::internal::OsStackTraceGetterInterface { @@ -453,7 +446,8 @@ TEST(LogTest, NoSkippingStackFrameInOptMode) { const std::string log = GetCapturedStdout(); std::string expected_trace = - (testing::Message() << GTEST_FLAG(stack_trace_depth) << "::").GetString(); + (testing::Message() << GTEST_FLAG_GET(stack_trace_depth) << "::") + .GetString(); std::string expected_message = "\nGMOCK WARNING:\n" "Test log.\n" @@ -462,13 +456,13 @@ TEST(LogTest, NoSkippingStackFrameInOptMode) { EXPECT_THAT(log, HasSubstr(expected_message)); int skip_count = atoi(log.substr(expected_message.size()).c_str()); -# if defined(NDEBUG) +#if defined(NDEBUG) // In opt mode, no stack frame should be skipped. const int expected_skip_count = 0; -# else +#else // In dbg mode, the stack frames should be skipped. const int expected_skip_count = 100; -# endif +#endif // Note that each inner implementation layer will +1 the number to remove // itself from the trace. This means that the value is a little higher than @@ -510,12 +504,12 @@ TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsInvalid) { // Verifies that Log() behaves correctly for the given verbosity level // and log severity. -std::string GrabOutput(void(*logger)(), const char* verbosity) { - const std::string saved_flag = GMOCK_FLAG(verbose); - GMOCK_FLAG(verbose) = verbosity; +std::string GrabOutput(void (*logger)(), const char* verbosity) { + const std::string saved_flag = GMOCK_FLAG_GET(verbose); + GMOCK_FLAG_SET(verbose, verbosity); CaptureStdout(); logger(); - GMOCK_FLAG(verbose) = saved_flag; + GMOCK_FLAG_SET(verbose, saved_flag); return GetCapturedStdout(); } @@ -545,7 +539,7 @@ TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsWarning) { // Verifies that EXPECT_CALL doesn't log // if the --gmock_verbose flag is set to "error". -TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsError) { +TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsError) { EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kErrorVerbosity).c_str()); } @@ -589,9 +583,9 @@ TEST(OnCallTest, LogsAnythingArgument) { TEST(StlContainerViewTest, WorksForStlContainer) { StaticAssertTypeEq<std::vector<int>, - StlContainerView<std::vector<int> >::type>(); + StlContainerView<std::vector<int>>::type>(); StaticAssertTypeEq<const std::vector<double>&, - StlContainerView<std::vector<double> >::const_reference>(); + StlContainerView<std::vector<double>>::const_reference>(); typedef std::vector<char> Chars; Chars v1; @@ -604,17 +598,16 @@ TEST(StlContainerViewTest, WorksForStlContainer) { } TEST(StlContainerViewTest, WorksForStaticNativeArray) { - StaticAssertTypeEq<NativeArray<int>, - StlContainerView<int[3]>::type>(); + StaticAssertTypeEq<NativeArray<int>, StlContainerView<int[3]>::type>(); StaticAssertTypeEq<NativeArray<double>, - StlContainerView<const double[4]>::type>(); + StlContainerView<const double[4]>::type>(); StaticAssertTypeEq<NativeArray<char[3]>, - StlContainerView<const char[2][3]>::type>(); + StlContainerView<const char[2][3]>::type>(); StaticAssertTypeEq<const NativeArray<int>, - StlContainerView<int[2]>::const_reference>(); + StlContainerView<int[2]>::const_reference>(); - int a1[3] = { 0, 1, 2 }; + int a1[3] = {0, 1, 2}; NativeArray<int> a2 = StlContainerView<int[3]>::ConstReference(a1); EXPECT_EQ(3U, a2.size()); EXPECT_EQ(a1, a2.begin()); @@ -632,24 +625,24 @@ TEST(StlContainerViewTest, WorksForStaticNativeArray) { TEST(StlContainerViewTest, WorksForDynamicNativeArray) { StaticAssertTypeEq<NativeArray<int>, - StlContainerView<std::tuple<const int*, size_t> >::type>(); + StlContainerView<std::tuple<const int*, size_t>>::type>(); StaticAssertTypeEq< NativeArray<double>, - StlContainerView<std::tuple<std::shared_ptr<double>, int> >::type>(); + StlContainerView<std::tuple<std::shared_ptr<double>, int>>::type>(); StaticAssertTypeEq< const NativeArray<int>, - StlContainerView<std::tuple<const int*, int> >::const_reference>(); + StlContainerView<std::tuple<const int*, int>>::const_reference>(); - int a1[3] = { 0, 1, 2 }; + int a1[3] = {0, 1, 2}; const int* const p1 = a1; NativeArray<int> a2 = - StlContainerView<std::tuple<const int*, int> >::ConstReference( + StlContainerView<std::tuple<const int*, int>>::ConstReference( std::make_tuple(p1, 3)); EXPECT_EQ(3U, a2.size()); EXPECT_EQ(a1, a2.begin()); - const NativeArray<int> a3 = StlContainerView<std::tuple<int*, size_t> >::Copy( + const NativeArray<int> a3 = StlContainerView<std::tuple<int*, size_t>>::Copy( std::make_tuple(static_cast<int*>(a1), 3)); ASSERT_EQ(3U, a3.size()); EXPECT_EQ(0, a3.begin()[0]); @@ -728,6 +721,46 @@ TEST(FunctionTest, LongArgumentList) { F::MakeResultIgnoredValue>::value)); } +TEST(Base64Unescape, InvalidString) { + std::string unescaped; + EXPECT_FALSE(Base64Unescape("(invalid)", &unescaped)); +} + +TEST(Base64Unescape, ShortString) { + std::string unescaped; + EXPECT_TRUE(Base64Unescape("SGVsbG8gd29ybGQh", &unescaped)); + EXPECT_EQ("Hello world!", unescaped); +} + +TEST(Base64Unescape, ShortStringWithPadding) { + std::string unescaped; + EXPECT_TRUE(Base64Unescape("SGVsbG8gd29ybGQ=", &unescaped)); + EXPECT_EQ("Hello world", unescaped); +} + +TEST(Base64Unescape, ShortStringWithoutPadding) { + std::string unescaped; + EXPECT_TRUE(Base64Unescape("SGVsbG8gd29ybGQ", &unescaped)); + EXPECT_EQ("Hello world", unescaped); +} + +TEST(Base64Unescape, LongStringWithWhiteSpaces) { + std::string escaped = + R"(TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlz + IHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2Yg + dGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu + dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRo + ZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=)"; + std::string expected = + "Man is distinguished, not only by his reason, but by this singular " + "passion from other animals, which is a lust of the mind, that by a " + "perseverance of delight in the continued and indefatigable generation " + "of knowledge, exceeds the short vehemence of any carnal pleasure."; + std::string unescaped; + EXPECT_TRUE(Base64Unescape(escaped, &unescaped)); + EXPECT_EQ(expected, unescaped); +} + } // namespace } // namespace internal } // namespace testing diff --git a/googlemock/test/gmock-matchers-arithmetic_test.cc b/googlemock/test/gmock-matchers-arithmetic_test.cc new file mode 100644 index 000000000000..f176962855ea --- /dev/null +++ b/googlemock/test/gmock-matchers-arithmetic_test.cc @@ -0,0 +1,1516 @@ +// Copyright 2007, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Google Mock - a framework for writing C++ mock classes. +// +// This file tests some commonly used argument matchers. + +#include <cmath> +#include <limits> +#include <memory> +#include <string> + +#include "test/gmock-matchers_test.h" + +// Silence warning C4244: 'initializing': conversion from 'int' to 'short', +// possible loss of data and C4100, unreferenced local parameter +GTEST_DISABLE_MSC_WARNINGS_PUSH_(4244 4100) + +namespace testing { +namespace gmock_matchers_test { +namespace { + +typedef ::std::tuple<long, int> Tuple2; // NOLINT + +// Tests that Eq() matches a 2-tuple where the first field == the +// second field. +TEST(Eq2Test, MatchesEqualArguments) { + Matcher<const Tuple2&> m = Eq(); + EXPECT_TRUE(m.Matches(Tuple2(5L, 5))); + EXPECT_FALSE(m.Matches(Tuple2(5L, 6))); +} + +// Tests that Eq() describes itself properly. +TEST(Eq2Test, CanDescribeSelf) { + Matcher<const Tuple2&> m = Eq(); + EXPECT_EQ("are an equal pair", Describe(m)); +} + +// Tests that Ge() matches a 2-tuple where the first field >= the +// second field. +TEST(Ge2Test, MatchesGreaterThanOrEqualArguments) { + Matcher<const Tuple2&> m = Ge(); + EXPECT_TRUE(m.Matches(Tuple2(5L, 4))); + EXPECT_TRUE(m.Matches(Tuple2(5L, 5))); + EXPECT_FALSE(m.Matches(Tuple2(5L, 6))); +} + +// Tests that Ge() describes itself properly. +TEST(Ge2Test, CanDescribeSelf) { + Matcher<const Tuple2&> m = Ge(); + EXPECT_EQ("are a pair where the first >= the second", Describe(m)); +} + +// Tests that Gt() matches a 2-tuple where the first field > the +// second field. +TEST(Gt2Test, MatchesGreaterThanArguments) { + Matcher<const Tuple2&> m = Gt(); + EXPECT_TRUE(m.Matches(Tuple2(5L, 4))); + EXPECT_FALSE(m.Matches(Tuple2(5L, 5))); + EXPECT_FALSE(m.Matches(Tuple2(5L, 6))); +} + +// Tests that Gt() describes itself properly. +TEST(Gt2Test, CanDescribeSelf) { + Matcher<const Tuple2&> m = Gt(); + EXPECT_EQ("are a pair where the first > the second", Describe(m)); +} + +// Tests that Le() matches a 2-tuple where the first field <= the +// second field. +TEST(Le2Test, MatchesLessThanOrEqualArguments) { + Matcher<const Tuple2&> m = Le(); + EXPECT_TRUE(m.Matches(Tuple2(5L, 6))); + EXPECT_TRUE(m.Matches(Tuple2(5L, 5))); + EXPECT_FALSE(m.Matches(Tuple2(5L, 4))); +} + +// Tests that Le() describes itself properly. +TEST(Le2Test, CanDescribeSelf) { + Matcher<const Tuple2&> m = Le(); + EXPECT_EQ("are a pair where the first <= the second", Describe(m)); +} + +// Tests that Lt() matches a 2-tuple where the first field < the +// second field. +TEST(Lt2Test, MatchesLessThanArguments) { + Matcher<const Tuple2&> m = Lt(); + EXPECT_TRUE(m.Matches(Tuple2(5L, 6))); + EXPECT_FALSE(m.Matches(Tuple2(5L, 5))); + EXPECT_FALSE(m.Matches(Tuple2(5L, 4))); +} + +// Tests that Lt() describes itself properly. +TEST(Lt2Test, CanDescribeSelf) { + Matcher<const Tuple2&> m = Lt(); + EXPECT_EQ("are a pair where the first < the second", Describe(m)); +} + +// Tests that Ne() matches a 2-tuple where the first field != the +// second field. +TEST(Ne2Test, MatchesUnequalArguments) { + Matcher<const Tuple2&> m = Ne(); + EXPECT_TRUE(m.Matches(Tuple2(5L, 6))); + EXPECT_TRUE(m.Matches(Tuple2(5L, 4))); + EXPECT_FALSE(m.Matches(Tuple2(5L, 5))); +} + +// Tests that Ne() describes itself properly. +TEST(Ne2Test, CanDescribeSelf) { + Matcher<const Tuple2&> m = Ne(); + EXPECT_EQ("are an unequal pair", Describe(m)); +} + +TEST(PairMatchBaseTest, WorksWithMoveOnly) { + using Pointers = std::tuple<std::unique_ptr<int>, std::unique_ptr<int>>; + Matcher<Pointers> matcher = Eq(); + Pointers pointers; + // Tested values don't matter; the point is that matcher does not copy the + // matched values. + EXPECT_TRUE(matcher.Matches(pointers)); +} + +// Tests that IsNan() matches a NaN, with float. +TEST(IsNan, FloatMatchesNan) { + float quiet_nan = std::numeric_limits<float>::quiet_NaN(); + float other_nan = std::nanf("1"); + float real_value = 1.0f; + + Matcher<float> m = IsNan(); + EXPECT_TRUE(m.Matches(quiet_nan)); + EXPECT_TRUE(m.Matches(other_nan)); + EXPECT_FALSE(m.Matches(real_value)); + + Matcher<float&> m_ref = IsNan(); + EXPECT_TRUE(m_ref.Matches(quiet_nan)); + EXPECT_TRUE(m_ref.Matches(other_nan)); + EXPECT_FALSE(m_ref.Matches(real_value)); + + Matcher<const float&> m_cref = IsNan(); + EXPECT_TRUE(m_cref.Matches(quiet_nan)); + EXPECT_TRUE(m_cref.Matches(other_nan)); + EXPECT_FALSE(m_cref.Matches(real_value)); +} + +// Tests that IsNan() matches a NaN, with double. +TEST(IsNan, DoubleMatchesNan) { + double quiet_nan = std::numeric_limits<double>::quiet_NaN(); + double other_nan = std::nan("1"); + double real_value = 1.0; + + Matcher<double> m = IsNan(); + EXPECT_TRUE(m.Matches(quiet_nan)); + EXPECT_TRUE(m.Matches(other_nan)); + EXPECT_FALSE(m.Matches(real_value)); + + Matcher<double&> m_ref = IsNan(); + EXPECT_TRUE(m_ref.Matches(quiet_nan)); + EXPECT_TRUE(m_ref.Matches(other_nan)); + EXPECT_FALSE(m_ref.Matches(real_value)); + + Matcher<const double&> m_cref = IsNan(); + EXPECT_TRUE(m_cref.Matches(quiet_nan)); + EXPECT_TRUE(m_cref.Matches(other_nan)); + EXPECT_FALSE(m_cref.Matches(real_value)); +} + +// Tests that IsNan() matches a NaN, with long double. +TEST(IsNan, LongDoubleMatchesNan) { + long double quiet_nan = std::numeric_limits<long double>::quiet_NaN(); + long double other_nan = std::nan("1"); + long double real_value = 1.0; + + Matcher<long double> m = IsNan(); + EXPECT_TRUE(m.Matches(quiet_nan)); + EXPECT_TRUE(m.Matches(other_nan)); + EXPECT_FALSE(m.Matches(real_value)); + + Matcher<long double&> m_ref = IsNan(); + EXPECT_TRUE(m_ref.Matches(quiet_nan)); + EXPECT_TRUE(m_ref.Matches(other_nan)); + EXPECT_FALSE(m_ref.Matches(real_value)); + + Matcher<const long double&> m_cref = IsNan(); + EXPECT_TRUE(m_cref.Matches(quiet_nan)); + EXPECT_TRUE(m_cref.Matches(other_nan)); + EXPECT_FALSE(m_cref.Matches(real_value)); +} + +// Tests that IsNan() works with Not. +TEST(IsNan, NotMatchesNan) { + Matcher<float> mf = Not(IsNan()); + EXPECT_FALSE(mf.Matches(std::numeric_limits<float>::quiet_NaN())); + EXPECT_FALSE(mf.Matches(std::nanf("1"))); + EXPECT_TRUE(mf.Matches(1.0)); + + Matcher<double> md = Not(IsNan()); + EXPECT_FALSE(md.Matches(std::numeric_limits<double>::quiet_NaN())); + EXPECT_FALSE(md.Matches(std::nan("1"))); + EXPECT_TRUE(md.Matches(1.0)); + + Matcher<long double> mld = Not(IsNan()); + EXPECT_FALSE(mld.Matches(std::numeric_limits<long double>::quiet_NaN())); + EXPECT_FALSE(mld.Matches(std::nanl("1"))); + EXPECT_TRUE(mld.Matches(1.0)); +} + +// Tests that IsNan() can describe itself. +TEST(IsNan, CanDescribeSelf) { + Matcher<float> mf = IsNan(); + EXPECT_EQ("is NaN", Describe(mf)); + + Matcher<double> md = IsNan(); + EXPECT_EQ("is NaN", Describe(md)); + + Matcher<long double> mld = IsNan(); + EXPECT_EQ("is NaN", Describe(mld)); +} + +// Tests that IsNan() can describe itself with Not. +TEST(IsNan, CanDescribeSelfWithNot) { + Matcher<float> mf = Not(IsNan()); + EXPECT_EQ("isn't NaN", Describe(mf)); + + Matcher<double> md = Not(IsNan()); + EXPECT_EQ("isn't NaN", Describe(md)); + + Matcher<long double> mld = Not(IsNan()); + EXPECT_EQ("isn't NaN", Describe(mld)); +} + +// Tests that FloatEq() matches a 2-tuple where +// FloatEq(first field) matches the second field. +TEST(FloatEq2Test, MatchesEqualArguments) { + typedef ::std::tuple<float, float> Tpl; + Matcher<const Tpl&> m = FloatEq(); + EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); + EXPECT_TRUE(m.Matches(Tpl(0.3f, 0.1f + 0.1f + 0.1f))); + EXPECT_FALSE(m.Matches(Tpl(1.1f, 1.0f))); +} + +// Tests that FloatEq() describes itself properly. +TEST(FloatEq2Test, CanDescribeSelf) { + Matcher<const ::std::tuple<float, float>&> m = FloatEq(); + EXPECT_EQ("are an almost-equal pair", Describe(m)); +} + +// Tests that NanSensitiveFloatEq() matches a 2-tuple where +// NanSensitiveFloatEq(first field) matches the second field. +TEST(NanSensitiveFloatEqTest, MatchesEqualArgumentsWithNaN) { + typedef ::std::tuple<float, float> Tpl; + Matcher<const Tpl&> m = NanSensitiveFloatEq(); + EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); + EXPECT_TRUE(m.Matches(Tpl(std::numeric_limits<float>::quiet_NaN(), + std::numeric_limits<float>::quiet_NaN()))); + EXPECT_FALSE(m.Matches(Tpl(1.1f, 1.0f))); + EXPECT_FALSE(m.Matches(Tpl(1.0f, std::numeric_limits<float>::quiet_NaN()))); + EXPECT_FALSE(m.Matches(Tpl(std::numeric_limits<float>::quiet_NaN(), 1.0f))); +} + +// Tests that NanSensitiveFloatEq() describes itself properly. +TEST(NanSensitiveFloatEqTest, CanDescribeSelfWithNaNs) { + Matcher<const ::std::tuple<float, float>&> m = NanSensitiveFloatEq(); + EXPECT_EQ("are an almost-equal pair", Describe(m)); +} + +// Tests that DoubleEq() matches a 2-tuple where +// DoubleEq(first field) matches the second field. +TEST(DoubleEq2Test, MatchesEqualArguments) { + typedef ::std::tuple<double, double> Tpl; + Matcher<const Tpl&> m = DoubleEq(); + EXPECT_TRUE(m.Matches(Tpl(1.0, 1.0))); + EXPECT_TRUE(m.Matches(Tpl(0.3, 0.1 + 0.1 + 0.1))); + EXPECT_FALSE(m.Matches(Tpl(1.1, 1.0))); +} + +// Tests that DoubleEq() describes itself properly. +TEST(DoubleEq2Test, CanDescribeSelf) { + Matcher<const ::std::tuple<double, double>&> m = DoubleEq(); + EXPECT_EQ("are an almost-equal pair", Describe(m)); +} + +// Tests that NanSensitiveDoubleEq() matches a 2-tuple where +// NanSensitiveDoubleEq(first field) matches the second field. +TEST(NanSensitiveDoubleEqTest, MatchesEqualArgumentsWithNaN) { + typedef ::std::tuple<double, double> Tpl; + Matcher<const Tpl&> m = NanSensitiveDoubleEq(); + EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); + EXPECT_TRUE(m.Matches(Tpl(std::numeric_limits<double>::quiet_NaN(), + std::numeric_limits<double>::quiet_NaN()))); + EXPECT_FALSE(m.Matches(Tpl(1.1f, 1.0f))); + EXPECT_FALSE(m.Matches(Tpl(1.0f, std::numeric_limits<double>::quiet_NaN()))); + EXPECT_FALSE(m.Matches(Tpl(std::numeric_limits<double>::quiet_NaN(), 1.0f))); +} + +// Tests that DoubleEq() describes itself properly. +TEST(NanSensitiveDoubleEqTest, CanDescribeSelfWithNaNs) { + Matcher<const ::std::tuple<double, double>&> m = NanSensitiveDoubleEq(); + EXPECT_EQ("are an almost-equal pair", Describe(m)); +} + +// Tests that FloatEq() matches a 2-tuple where +// FloatNear(first field, max_abs_error) matches the second field. +TEST(FloatNear2Test, MatchesEqualArguments) { + typedef ::std::tuple<float, float> Tpl; + Matcher<const Tpl&> m = FloatNear(0.5f); + EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); + EXPECT_TRUE(m.Matches(Tpl(1.3f, 1.0f))); + EXPECT_FALSE(m.Matches(Tpl(1.8f, 1.0f))); +} + +// Tests that FloatNear() describes itself properly. +TEST(FloatNear2Test, CanDescribeSelf) { + Matcher<const ::std::tuple<float, float>&> m = FloatNear(0.5f); + EXPECT_EQ("are an almost-equal pair", Describe(m)); +} + +// Tests that NanSensitiveFloatNear() matches a 2-tuple where +// NanSensitiveFloatNear(first field) matches the second field. +TEST(NanSensitiveFloatNearTest, MatchesNearbyArgumentsWithNaN) { + typedef ::std::tuple<float, float> Tpl; + Matcher<const Tpl&> m = NanSensitiveFloatNear(0.5f); + EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); + EXPECT_TRUE(m.Matches(Tpl(1.1f, 1.0f))); + EXPECT_TRUE(m.Matches(Tpl(std::numeric_limits<float>::quiet_NaN(), + std::numeric_limits<float>::quiet_NaN()))); + EXPECT_FALSE(m.Matches(Tpl(1.6f, 1.0f))); + EXPECT_FALSE(m.Matches(Tpl(1.0f, std::numeric_limits<float>::quiet_NaN()))); + EXPECT_FALSE(m.Matches(Tpl(std::numeric_limits<float>::quiet_NaN(), 1.0f))); +} + +// Tests that NanSensitiveFloatNear() describes itself properly. +TEST(NanSensitiveFloatNearTest, CanDescribeSelfWithNaNs) { + Matcher<const ::std::tuple<float, float>&> m = NanSensitiveFloatNear(0.5f); + EXPECT_EQ("are an almost-equal pair", Describe(m)); +} + +// Tests that FloatEq() matches a 2-tuple where +// DoubleNear(first field, max_abs_error) matches the second field. +TEST(DoubleNear2Test, MatchesEqualArguments) { + typedef ::std::tuple<double, double> Tpl; + Matcher<const Tpl&> m = DoubleNear(0.5); + EXPECT_TRUE(m.Matches(Tpl(1.0, 1.0))); + EXPECT_TRUE(m.Matches(Tpl(1.3, 1.0))); + EXPECT_FALSE(m.Matches(Tpl(1.8, 1.0))); +} + +// Tests that DoubleNear() describes itself properly. +TEST(DoubleNear2Test, CanDescribeSelf) { + Matcher<const ::std::tuple<double, double>&> m = DoubleNear(0.5); + EXPECT_EQ("are an almost-equal pair", Describe(m)); +} + +// Tests that NanSensitiveDoubleNear() matches a 2-tuple where +// NanSensitiveDoubleNear(first field) matches the second field. +TEST(NanSensitiveDoubleNearTest, MatchesNearbyArgumentsWithNaN) { + typedef ::std::tuple<double, double> Tpl; + Matcher<const Tpl&> m = NanSensitiveDoubleNear(0.5f); + EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); + EXPECT_TRUE(m.Matches(Tpl(1.1f, 1.0f))); + EXPECT_TRUE(m.Matches(Tpl(std::numeric_limits<double>::quiet_NaN(), + std::numeric_limits<double>::quiet_NaN()))); + EXPECT_FALSE(m.Matches(Tpl(1.6f, 1.0f))); + EXPECT_FALSE(m.Matches(Tpl(1.0f, std::numeric_limits<double>::quiet_NaN()))); + EXPECT_FALSE(m.Matches(Tpl(std::numeric_limits<double>::quiet_NaN(), 1.0f))); +} + +// Tests that NanSensitiveDoubleNear() describes itself properly. +TEST(NanSensitiveDoubleNearTest, CanDescribeSelfWithNaNs) { + Matcher<const ::std::tuple<double, double>&> m = NanSensitiveDoubleNear(0.5f); + EXPECT_EQ("are an almost-equal pair", Describe(m)); +} + +// Tests that Not(m) matches any value that doesn't match m. +TEST(NotTest, NegatesMatcher) { + Matcher<int> m; + m = Not(Eq(2)); + EXPECT_TRUE(m.Matches(3)); + EXPECT_FALSE(m.Matches(2)); +} + +// Tests that Not(m) describes itself properly. +TEST(NotTest, CanDescribeSelf) { + Matcher<int> m = Not(Eq(5)); + EXPECT_EQ("isn't equal to 5", Describe(m)); +} + +// Tests that monomorphic matchers are safely cast by the Not matcher. +TEST(NotTest, NotMatcherSafelyCastsMonomorphicMatchers) { + // greater_than_5 is a monomorphic matcher. + Matcher<int> greater_than_5 = Gt(5); + + Matcher<const int&> m = Not(greater_than_5); + Matcher<int&> m2 = Not(greater_than_5); + Matcher<int&> m3 = Not(m); +} + +// Helper to allow easy testing of AllOf matchers with num parameters. +void AllOfMatches(int num, const Matcher<int>& m) { + SCOPED_TRACE(Describe(m)); + EXPECT_TRUE(m.Matches(0)); + for (int i = 1; i <= num; ++i) { + EXPECT_FALSE(m.Matches(i)); + } + EXPECT_TRUE(m.Matches(num + 1)); +} + +INSTANTIATE_GTEST_MATCHER_TEST_P(AllOfTest); + +// Tests that AllOf(m1, ..., mn) matches any value that matches all of +// the given matchers. +TEST(AllOfTest, MatchesWhenAllMatch) { + Matcher<int> m; + m = AllOf(Le(2), Ge(1)); + EXPECT_TRUE(m.Matches(1)); + EXPECT_TRUE(m.Matches(2)); + EXPECT_FALSE(m.Matches(0)); + EXPECT_FALSE(m.Matches(3)); + + m = AllOf(Gt(0), Ne(1), Ne(2)); + EXPECT_TRUE(m.Matches(3)); + EXPECT_FALSE(m.Matches(2)); + EXPECT_FALSE(m.Matches(1)); + EXPECT_FALSE(m.Matches(0)); + + m = AllOf(Gt(0), Ne(1), Ne(2), Ne(3)); + EXPECT_TRUE(m.Matches(4)); + EXPECT_FALSE(m.Matches(3)); + EXPECT_FALSE(m.Matches(2)); + EXPECT_FALSE(m.Matches(1)); + EXPECT_FALSE(m.Matches(0)); + + m = AllOf(Ge(0), Lt(10), Ne(3), Ne(5), Ne(7)); + EXPECT_TRUE(m.Matches(0)); + EXPECT_TRUE(m.Matches(1)); + EXPECT_FALSE(m.Matches(3)); + + // The following tests for varying number of sub-matchers. Due to the way + // the sub-matchers are handled it is enough to test every sub-matcher once + // with sub-matchers using the same matcher type. Varying matcher types are + // checked for above. + AllOfMatches(2, AllOf(Ne(1), Ne(2))); + AllOfMatches(3, AllOf(Ne(1), Ne(2), Ne(3))); + AllOfMatches(4, AllOf(Ne(1), Ne(2), Ne(3), Ne(4))); + AllOfMatches(5, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5))); + AllOfMatches(6, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6))); + AllOfMatches(7, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7))); + AllOfMatches(8, + AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7), Ne(8))); + AllOfMatches( + 9, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7), Ne(8), Ne(9))); + AllOfMatches(10, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7), Ne(8), + Ne(9), Ne(10))); + AllOfMatches( + 50, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7), Ne(8), Ne(9), + Ne(10), Ne(11), Ne(12), Ne(13), Ne(14), Ne(15), Ne(16), Ne(17), + Ne(18), Ne(19), Ne(20), Ne(21), Ne(22), Ne(23), Ne(24), Ne(25), + Ne(26), Ne(27), Ne(28), Ne(29), Ne(30), Ne(31), Ne(32), Ne(33), + Ne(34), Ne(35), Ne(36), Ne(37), Ne(38), Ne(39), Ne(40), Ne(41), + Ne(42), Ne(43), Ne(44), Ne(45), Ne(46), Ne(47), Ne(48), Ne(49), + Ne(50))); +} + +// Tests that AllOf(m1, ..., mn) describes itself properly. +TEST(AllOfTest, CanDescribeSelf) { + Matcher<int> m; + m = AllOf(Le(2), Ge(1)); + EXPECT_EQ("(is <= 2) and (is >= 1)", Describe(m)); + + m = AllOf(Gt(0), Ne(1), Ne(2)); + std::string expected_descr1 = + "(is > 0) and (isn't equal to 1) and (isn't equal to 2)"; + EXPECT_EQ(expected_descr1, Describe(m)); + + m = AllOf(Gt(0), Ne(1), Ne(2), Ne(3)); + std::string expected_descr2 = + "(is > 0) and (isn't equal to 1) and (isn't equal to 2) and (isn't equal " + "to 3)"; + EXPECT_EQ(expected_descr2, Describe(m)); + + m = AllOf(Ge(0), Lt(10), Ne(3), Ne(5), Ne(7)); + std::string expected_descr3 = + "(is >= 0) and (is < 10) and (isn't equal to 3) and (isn't equal to 5) " + "and (isn't equal to 7)"; + EXPECT_EQ(expected_descr3, Describe(m)); +} + +// Tests that AllOf(m1, ..., mn) describes its negation properly. +TEST(AllOfTest, CanDescribeNegation) { + Matcher<int> m; + m = AllOf(Le(2), Ge(1)); + std::string expected_descr4 = "(isn't <= 2) or (isn't >= 1)"; + EXPECT_EQ(expected_descr4, DescribeNegation(m)); + + m = AllOf(Gt(0), Ne(1), Ne(2)); + std::string expected_descr5 = + "(isn't > 0) or (is equal to 1) or (is equal to 2)"; + EXPECT_EQ(expected_descr5, DescribeNegation(m)); + + m = AllOf(Gt(0), Ne(1), Ne(2), Ne(3)); + std::string expected_descr6 = + "(isn't > 0) or (is equal to 1) or (is equal to 2) or (is equal to 3)"; + EXPECT_EQ(expected_descr6, DescribeNegation(m)); + + m = AllOf(Ge(0), Lt(10), Ne(3), Ne(5), Ne(7)); + std::string expected_desr7 = + "(isn't >= 0) or (isn't < 10) or (is equal to 3) or (is equal to 5) or " + "(is equal to 7)"; + EXPECT_EQ(expected_desr7, DescribeNegation(m)); + + m = AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7), Ne(8), Ne(9), + Ne(10), Ne(11)); + AllOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11); + EXPECT_THAT(Describe(m), EndsWith("and (isn't equal to 11)")); + AllOfMatches(11, m); +} + +// Tests that monomorphic matchers are safely cast by the AllOf matcher. +TEST(AllOfTest, AllOfMatcherSafelyCastsMonomorphicMatchers) { + // greater_than_5 and less_than_10 are monomorphic matchers. + Matcher<int> greater_than_5 = Gt(5); + Matcher<int> less_than_10 = Lt(10); + + Matcher<const int&> m = AllOf(greater_than_5, less_than_10); + Matcher<int&> m2 = AllOf(greater_than_5, less_than_10); + Matcher<int&> m3 = AllOf(greater_than_5, m2); + + // Tests that BothOf works when composing itself. + Matcher<const int&> m4 = AllOf(greater_than_5, less_than_10, less_than_10); + Matcher<int&> m5 = AllOf(greater_than_5, less_than_10, less_than_10); +} + +TEST_P(AllOfTestP, ExplainsResult) { + Matcher<int> m; + + // Successful match. Both matchers need to explain. The second + // matcher doesn't give an explanation, so only the first matcher's + // explanation is printed. + m = AllOf(GreaterThan(10), Lt(30)); + EXPECT_EQ("which is 15 more than 10", Explain(m, 25)); + + // Successful match. Both matchers need to explain. + m = AllOf(GreaterThan(10), GreaterThan(20)); + EXPECT_EQ("which is 20 more than 10, and which is 10 more than 20", + Explain(m, 30)); + + // Successful match. All matchers need to explain. The second + // matcher doesn't given an explanation. + m = AllOf(GreaterThan(10), Lt(30), GreaterThan(20)); + EXPECT_EQ("which is 15 more than 10, and which is 5 more than 20", + Explain(m, 25)); + + // Successful match. All matchers need to explain. + m = AllOf(GreaterThan(10), GreaterThan(20), GreaterThan(30)); + EXPECT_EQ( + "which is 30 more than 10, and which is 20 more than 20, " + "and which is 10 more than 30", + Explain(m, 40)); + + // Failed match. The first matcher, which failed, needs to + // explain. + m = AllOf(GreaterThan(10), GreaterThan(20)); + EXPECT_EQ("which is 5 less than 10", Explain(m, 5)); + + // Failed match. The second matcher, which failed, needs to + // explain. Since it doesn't given an explanation, nothing is + // printed. + m = AllOf(GreaterThan(10), Lt(30)); + EXPECT_EQ("", Explain(m, 40)); + + // Failed match. The second matcher, which failed, needs to + // explain. + m = AllOf(GreaterThan(10), GreaterThan(20)); + EXPECT_EQ("which is 5 less than 20", Explain(m, 15)); +} + +// Helper to allow easy testing of AnyOf matchers with num parameters. +static void AnyOfMatches(int num, const Matcher<int>& m) { + SCOPED_TRACE(Describe(m)); + EXPECT_FALSE(m.Matches(0)); + for (int i = 1; i <= num; ++i) { + EXPECT_TRUE(m.Matches(i)); + } + EXPECT_FALSE(m.Matches(num + 1)); +} + +static void AnyOfStringMatches(int num, const Matcher<std::string>& m) { + SCOPED_TRACE(Describe(m)); + EXPECT_FALSE(m.Matches(std::to_string(0))); + + for (int i = 1; i <= num; ++i) { + EXPECT_TRUE(m.Matches(std::to_string(i))); + } + EXPECT_FALSE(m.Matches(std::to_string(num + 1))); +} + +INSTANTIATE_GTEST_MATCHER_TEST_P(AnyOfTest); + +// Tests that AnyOf(m1, ..., mn) matches any value that matches at +// least one of the given matchers. +TEST(AnyOfTest, MatchesWhenAnyMatches) { + Matcher<int> m; + m = AnyOf(Le(1), Ge(3)); + EXPECT_TRUE(m.Matches(1)); + EXPECT_TRUE(m.Matches(4)); + EXPECT_FALSE(m.Matches(2)); + + m = AnyOf(Lt(0), Eq(1), Eq(2)); + EXPECT_TRUE(m.Matches(-1)); + EXPECT_TRUE(m.Matches(1)); + EXPECT_TRUE(m.Matches(2)); + EXPECT_FALSE(m.Matches(0)); + + m = AnyOf(Lt(0), Eq(1), Eq(2), Eq(3)); + EXPECT_TRUE(m.Matches(-1)); + EXPECT_TRUE(m.Matches(1)); + EXPECT_TRUE(m.Matches(2)); + EXPECT_TRUE(m.Matches(3)); + EXPECT_FALSE(m.Matches(0)); + + m = AnyOf(Le(0), Gt(10), 3, 5, 7); + EXPECT_TRUE(m.Matches(0)); + EXPECT_TRUE(m.Matches(11)); + EXPECT_TRUE(m.Matches(3)); + EXPECT_FALSE(m.Matches(2)); + + // The following tests for varying number of sub-matchers. Due to the way + // the sub-matchers are handled it is enough to test every sub-matcher once + // with sub-matchers using the same matcher type. Varying matcher types are + // checked for above. + AnyOfMatches(2, AnyOf(1, 2)); + AnyOfMatches(3, AnyOf(1, 2, 3)); + AnyOfMatches(4, AnyOf(1, 2, 3, 4)); + AnyOfMatches(5, AnyOf(1, 2, 3, 4, 5)); + AnyOfMatches(6, AnyOf(1, 2, 3, 4, 5, 6)); + AnyOfMatches(7, AnyOf(1, 2, 3, 4, 5, 6, 7)); + AnyOfMatches(8, AnyOf(1, 2, 3, 4, 5, 6, 7, 8)); + AnyOfMatches(9, AnyOf(1, 2, 3, 4, 5, 6, 7, 8, 9)); + AnyOfMatches(10, AnyOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)); +} + +// Tests the variadic version of the AnyOfMatcher. +TEST(AnyOfTest, VariadicMatchesWhenAnyMatches) { + // Also make sure AnyOf is defined in the right namespace and does not depend + // on ADL. + Matcher<int> m = ::testing::AnyOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11); + + EXPECT_THAT(Describe(m), EndsWith("or (is equal to 11)")); + AnyOfMatches(11, m); + AnyOfMatches(50, AnyOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, + 45, 46, 47, 48, 49, 50)); + AnyOfStringMatches( + 50, AnyOf("1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", + "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", + "23", "24", "25", "26", "27", "28", "29", "30", "31", "32", + "33", "34", "35", "36", "37", "38", "39", "40", "41", "42", + "43", "44", "45", "46", "47", "48", "49", "50")); +} + +TEST(ConditionalTest, MatchesFirstIfCondition) { + Matcher<std::string> eq_red = Eq("red"); + Matcher<std::string> ne_red = Ne("red"); + Matcher<std::string> m = Conditional(true, eq_red, ne_red); + EXPECT_TRUE(m.Matches("red")); + EXPECT_FALSE(m.Matches("green")); + + StringMatchResultListener listener; + StringMatchResultListener expected; + EXPECT_FALSE(m.MatchAndExplain("green", &listener)); + EXPECT_FALSE(eq_red.MatchAndExplain("green", &expected)); + EXPECT_THAT(listener.str(), Eq(expected.str())); +} + +TEST(ConditionalTest, MatchesSecondIfCondition) { + Matcher<std::string> eq_red = Eq("red"); + Matcher<std::string> ne_red = Ne("red"); + Matcher<std::string> m = Conditional(false, eq_red, ne_red); + EXPECT_FALSE(m.Matches("red")); + EXPECT_TRUE(m.Matches("green")); + + StringMatchResultListener listener; + StringMatchResultListener expected; + EXPECT_FALSE(m.MatchAndExplain("red", &listener)); + EXPECT_FALSE(ne_red.MatchAndExplain("red", &expected)); + EXPECT_THAT(listener.str(), Eq(expected.str())); +} + +// Tests that AnyOf(m1, ..., mn) describes itself properly. +TEST(AnyOfTest, CanDescribeSelf) { + Matcher<int> m; + m = AnyOf(Le(1), Ge(3)); + + EXPECT_EQ("(is <= 1) or (is >= 3)", Describe(m)); + + m = AnyOf(Lt(0), Eq(1), Eq(2)); + EXPECT_EQ("(is < 0) or (is equal to 1) or (is equal to 2)", Describe(m)); + + m = AnyOf(Lt(0), Eq(1), Eq(2), Eq(3)); + EXPECT_EQ("(is < 0) or (is equal to 1) or (is equal to 2) or (is equal to 3)", + Describe(m)); + + m = AnyOf(Le(0), Gt(10), 3, 5, 7); + EXPECT_EQ( + "(is <= 0) or (is > 10) or (is equal to 3) or (is equal to 5) or (is " + "equal to 7)", + Describe(m)); +} + +// Tests that AnyOf(m1, ..., mn) describes its negation properly. +TEST(AnyOfTest, CanDescribeNegation) { + Matcher<int> m; + m = AnyOf(Le(1), Ge(3)); + EXPECT_EQ("(isn't <= 1) and (isn't >= 3)", DescribeNegation(m)); + + m = AnyOf(Lt(0), Eq(1), Eq(2)); + EXPECT_EQ("(isn't < 0) and (isn't equal to 1) and (isn't equal to 2)", + DescribeNegation(m)); + + m = AnyOf(Lt(0), Eq(1), Eq(2), Eq(3)); + EXPECT_EQ( + "(isn't < 0) and (isn't equal to 1) and (isn't equal to 2) and (isn't " + "equal to 3)", + DescribeNegation(m)); + + m = AnyOf(Le(0), Gt(10), 3, 5, 7); + EXPECT_EQ( + "(isn't <= 0) and (isn't > 10) and (isn't equal to 3) and (isn't equal " + "to 5) and (isn't equal to 7)", + DescribeNegation(m)); +} + +// Tests that monomorphic matchers are safely cast by the AnyOf matcher. +TEST(AnyOfTest, AnyOfMatcherSafelyCastsMonomorphicMatchers) { + // greater_than_5 and less_than_10 are monomorphic matchers. + Matcher<int> greater_than_5 = Gt(5); + Matcher<int> less_than_10 = Lt(10); + + Matcher<const int&> m = AnyOf(greater_than_5, less_than_10); + Matcher<int&> m2 = AnyOf(greater_than_5, less_than_10); + Matcher<int&> m3 = AnyOf(greater_than_5, m2); + + // Tests that EitherOf works when composing itself. + Matcher<const int&> m4 = AnyOf(greater_than_5, less_than_10, less_than_10); + Matcher<int&> m5 = AnyOf(greater_than_5, less_than_10, less_than_10); +} + +TEST_P(AnyOfTestP, ExplainsResult) { + Matcher<int> m; + + // Failed match. Both matchers need to explain. The second + // matcher doesn't give an explanation, so only the first matcher's + // explanation is printed. + m = AnyOf(GreaterThan(10), Lt(0)); + EXPECT_EQ("which is 5 less than 10", Explain(m, 5)); + + // Failed match. Both matchers need to explain. + m = AnyOf(GreaterThan(10), GreaterThan(20)); + EXPECT_EQ("which is 5 less than 10, and which is 15 less than 20", + Explain(m, 5)); + + // Failed match. All matchers need to explain. The second + // matcher doesn't given an explanation. + m = AnyOf(GreaterThan(10), Gt(20), GreaterThan(30)); + EXPECT_EQ("which is 5 less than 10, and which is 25 less than 30", + Explain(m, 5)); + + // Failed match. All matchers need to explain. + m = AnyOf(GreaterThan(10), GreaterThan(20), GreaterThan(30)); + EXPECT_EQ( + "which is 5 less than 10, and which is 15 less than 20, " + "and which is 25 less than 30", + Explain(m, 5)); + + // Successful match. The first matcher, which succeeded, needs to + // explain. + m = AnyOf(GreaterThan(10), GreaterThan(20)); + EXPECT_EQ("which is 5 more than 10", Explain(m, 15)); + + // Successful match. The second matcher, which succeeded, needs to + // explain. Since it doesn't given an explanation, nothing is + // printed. + m = AnyOf(GreaterThan(10), Lt(30)); + EXPECT_EQ("", Explain(m, 0)); + + // Successful match. The second matcher, which succeeded, needs to + // explain. + m = AnyOf(GreaterThan(30), GreaterThan(20)); + EXPECT_EQ("which is 5 more than 20", Explain(m, 25)); +} + +// The following predicate function and predicate functor are for +// testing the Truly(predicate) matcher. + +// Returns non-zero if the input is positive. Note that the return +// type of this function is not bool. It's OK as Truly() accepts any +// unary function or functor whose return type can be implicitly +// converted to bool. +int IsPositive(double x) { return x > 0 ? 1 : 0; } + +// This functor returns true if the input is greater than the given +// number. +class IsGreaterThan { + public: + explicit IsGreaterThan(int threshold) : threshold_(threshold) {} + + bool operator()(int n) const { return n > threshold_; } + + private: + int threshold_; +}; + +// For testing Truly(). +const int foo = 0; + +// This predicate returns true if and only if the argument references foo and +// has a zero value. +bool ReferencesFooAndIsZero(const int& n) { return (&n == &foo) && (n == 0); } + +// Tests that Truly(predicate) matches what satisfies the given +// predicate. +TEST(TrulyTest, MatchesWhatSatisfiesThePredicate) { + Matcher<double> m = Truly(IsPositive); + EXPECT_TRUE(m.Matches(2.0)); + EXPECT_FALSE(m.Matches(-1.5)); +} + +// Tests that Truly(predicate_functor) works too. +TEST(TrulyTest, CanBeUsedWithFunctor) { + Matcher<int> m = Truly(IsGreaterThan(5)); + EXPECT_TRUE(m.Matches(6)); + EXPECT_FALSE(m.Matches(4)); +} + +// A class that can be implicitly converted to bool. +class ConvertibleToBool { + public: + explicit ConvertibleToBool(int number) : number_(number) {} + operator bool() const { return number_ != 0; } + + private: + int number_; +}; + +ConvertibleToBool IsNotZero(int number) { return ConvertibleToBool(number); } + +// Tests that the predicate used in Truly() may return a class that's +// implicitly convertible to bool, even when the class has no +// operator!(). +TEST(TrulyTest, PredicateCanReturnAClassConvertibleToBool) { + Matcher<int> m = Truly(IsNotZero); + EXPECT_TRUE(m.Matches(1)); + EXPECT_FALSE(m.Matches(0)); +} + +// Tests that Truly(predicate) can describe itself properly. +TEST(TrulyTest, CanDescribeSelf) { + Matcher<double> m = Truly(IsPositive); + EXPECT_EQ("satisfies the given predicate", Describe(m)); +} + +// Tests that Truly(predicate) works when the matcher takes its +// argument by reference. +TEST(TrulyTest, WorksForByRefArguments) { + Matcher<const int&> m = Truly(ReferencesFooAndIsZero); + EXPECT_TRUE(m.Matches(foo)); + int n = 0; + EXPECT_FALSE(m.Matches(n)); +} + +// Tests that Truly(predicate) provides a helpful reason when it fails. +TEST(TrulyTest, ExplainsFailures) { + StringMatchResultListener listener; + EXPECT_FALSE(ExplainMatchResult(Truly(IsPositive), -1, &listener)); + EXPECT_EQ(listener.str(), "didn't satisfy the given predicate"); +} + +// Tests that Matches(m) is a predicate satisfied by whatever that +// matches matcher m. +TEST(MatchesTest, IsSatisfiedByWhatMatchesTheMatcher) { + EXPECT_TRUE(Matches(Ge(0))(1)); + EXPECT_FALSE(Matches(Eq('a'))('b')); +} + +// Tests that Matches(m) works when the matcher takes its argument by +// reference. +TEST(MatchesTest, WorksOnByRefArguments) { + int m = 0, n = 0; + EXPECT_TRUE(Matches(AllOf(Ref(n), Eq(0)))(n)); + EXPECT_FALSE(Matches(Ref(m))(n)); +} + +// Tests that a Matcher on non-reference type can be used in +// Matches(). +TEST(MatchesTest, WorksWithMatcherOnNonRefType) { + Matcher<int> eq5 = Eq(5); + EXPECT_TRUE(Matches(eq5)(5)); + EXPECT_FALSE(Matches(eq5)(2)); +} + +// Tests Value(value, matcher). Since Value() is a simple wrapper for +// Matches(), which has been tested already, we don't spend a lot of +// effort on testing Value(). +TEST(ValueTest, WorksWithPolymorphicMatcher) { + EXPECT_TRUE(Value("hi", StartsWith("h"))); + EXPECT_FALSE(Value(5, Gt(10))); +} + +TEST(ValueTest, WorksWithMonomorphicMatcher) { + const Matcher<int> is_zero = Eq(0); + EXPECT_TRUE(Value(0, is_zero)); + EXPECT_FALSE(Value('a', is_zero)); + + int n = 0; + const Matcher<const int&> ref_n = Ref(n); + EXPECT_TRUE(Value(n, ref_n)); + EXPECT_FALSE(Value(1, ref_n)); +} + +TEST(AllArgsTest, WorksForTuple) { + EXPECT_THAT(std::make_tuple(1, 2L), AllArgs(Lt())); + EXPECT_THAT(std::make_tuple(2L, 1), Not(AllArgs(Lt()))); +} + +TEST(AllArgsTest, WorksForNonTuple) { + EXPECT_THAT(42, AllArgs(Gt(0))); + EXPECT_THAT('a', Not(AllArgs(Eq('b')))); +} + +class AllArgsHelper { + public: + AllArgsHelper() = default; + + MOCK_METHOD2(Helper, int(char x, int y)); + + private: + AllArgsHelper(const AllArgsHelper&) = delete; + AllArgsHelper& operator=(const AllArgsHelper&) = delete; +}; + +TEST(AllArgsTest, WorksInWithClause) { + AllArgsHelper helper; + ON_CALL(helper, Helper(_, _)).With(AllArgs(Lt())).WillByDefault(Return(1)); + EXPECT_CALL(helper, Helper(_, _)); + EXPECT_CALL(helper, Helper(_, _)).With(AllArgs(Gt())).WillOnce(Return(2)); + + EXPECT_EQ(1, helper.Helper('\1', 2)); + EXPECT_EQ(2, helper.Helper('a', 1)); +} + +class OptionalMatchersHelper { + public: + OptionalMatchersHelper() = default; + + MOCK_METHOD0(NoArgs, int()); + + MOCK_METHOD1(OneArg, int(int y)); + + MOCK_METHOD2(TwoArgs, int(char x, int y)); + + MOCK_METHOD1(Overloaded, int(char x)); + MOCK_METHOD2(Overloaded, int(char x, int y)); + + private: + OptionalMatchersHelper(const OptionalMatchersHelper&) = delete; + OptionalMatchersHelper& operator=(const OptionalMatchersHelper&) = delete; +}; + +TEST(AllArgsTest, WorksWithoutMatchers) { + OptionalMatchersHelper helper; + + ON_CALL(helper, NoArgs).WillByDefault(Return(10)); + ON_CALL(helper, OneArg).WillByDefault(Return(20)); + ON_CALL(helper, TwoArgs).WillByDefault(Return(30)); + + EXPECT_EQ(10, helper.NoArgs()); + EXPECT_EQ(20, helper.OneArg(1)); + EXPECT_EQ(30, helper.TwoArgs('\1', 2)); + + EXPECT_CALL(helper, NoArgs).Times(1); + EXPECT_CALL(helper, OneArg).WillOnce(Return(100)); + EXPECT_CALL(helper, OneArg(17)).WillOnce(Return(200)); + EXPECT_CALL(helper, TwoArgs).Times(0); + + EXPECT_EQ(10, helper.NoArgs()); + EXPECT_EQ(100, helper.OneArg(1)); + EXPECT_EQ(200, helper.OneArg(17)); +} + +// Tests floating-point matchers. +template <typename RawType> +class FloatingPointTest : public testing::Test { + protected: + typedef testing::internal::FloatingPoint<RawType> Floating; + typedef typename Floating::Bits Bits; + + FloatingPointTest() + : max_ulps_(Floating::kMaxUlps), + zero_bits_(Floating(0).bits()), + one_bits_(Floating(1).bits()), + infinity_bits_(Floating(Floating::Infinity()).bits()), + close_to_positive_zero_( + Floating::ReinterpretBits(zero_bits_ + max_ulps_ / 2)), + close_to_negative_zero_( + -Floating::ReinterpretBits(zero_bits_ + max_ulps_ - max_ulps_ / 2)), + further_from_negative_zero_(-Floating::ReinterpretBits( + zero_bits_ + max_ulps_ + 1 - max_ulps_ / 2)), + close_to_one_(Floating::ReinterpretBits(one_bits_ + max_ulps_)), + further_from_one_(Floating::ReinterpretBits(one_bits_ + max_ulps_ + 1)), + infinity_(Floating::Infinity()), + close_to_infinity_( + Floating::ReinterpretBits(infinity_bits_ - max_ulps_)), + further_from_infinity_( + Floating::ReinterpretBits(infinity_bits_ - max_ulps_ - 1)), + max_(std::numeric_limits<RawType>::max()), + nan1_(Floating::ReinterpretBits(Floating::kExponentBitMask | 1)), + nan2_(Floating::ReinterpretBits(Floating::kExponentBitMask | 200)) {} + + void TestSize() { EXPECT_EQ(sizeof(RawType), sizeof(Bits)); } + + // A battery of tests for FloatingEqMatcher::Matches. + // matcher_maker is a pointer to a function which creates a FloatingEqMatcher. + void TestMatches( + testing::internal::FloatingEqMatcher<RawType> (*matcher_maker)(RawType)) { + Matcher<RawType> m1 = matcher_maker(0.0); + EXPECT_TRUE(m1.Matches(-0.0)); + EXPECT_TRUE(m1.Matches(close_to_positive_zero_)); + EXPECT_TRUE(m1.Matches(close_to_negative_zero_)); + EXPECT_FALSE(m1.Matches(1.0)); + + Matcher<RawType> m2 = matcher_maker(close_to_positive_zero_); + EXPECT_FALSE(m2.Matches(further_from_negative_zero_)); + + Matcher<RawType> m3 = matcher_maker(1.0); + EXPECT_TRUE(m3.Matches(close_to_one_)); + EXPECT_FALSE(m3.Matches(further_from_one_)); + + // Test commutativity: matcher_maker(0.0).Matches(1.0) was tested above. + EXPECT_FALSE(m3.Matches(0.0)); + + Matcher<RawType> m4 = matcher_maker(-infinity_); + EXPECT_TRUE(m4.Matches(-close_to_infinity_)); + + Matcher<RawType> m5 = matcher_maker(infinity_); + EXPECT_TRUE(m5.Matches(close_to_infinity_)); + + // This is interesting as the representations of infinity_ and nan1_ + // are only 1 DLP apart. + EXPECT_FALSE(m5.Matches(nan1_)); + + // matcher_maker can produce a Matcher<const RawType&>, which is needed in + // some cases. + Matcher<const RawType&> m6 = matcher_maker(0.0); + EXPECT_TRUE(m6.Matches(-0.0)); + EXPECT_TRUE(m6.Matches(close_to_positive_zero_)); + EXPECT_FALSE(m6.Matches(1.0)); + + // matcher_maker can produce a Matcher<RawType&>, which is needed in some + // cases. + Matcher<RawType&> m7 = matcher_maker(0.0); + RawType x = 0.0; + EXPECT_TRUE(m7.Matches(x)); + x = 0.01f; + EXPECT_FALSE(m7.Matches(x)); + } + + // Pre-calculated numbers to be used by the tests. + + const Bits max_ulps_; + + const Bits zero_bits_; // The bits that represent 0.0. + const Bits one_bits_; // The bits that represent 1.0. + const Bits infinity_bits_; // The bits that represent +infinity. + + // Some numbers close to 0.0. + const RawType close_to_positive_zero_; + const RawType close_to_negative_zero_; + const RawType further_from_negative_zero_; + + // Some numbers close to 1.0. + const RawType close_to_one_; + const RawType further_from_one_; + + // Some numbers close to +infinity. + const RawType infinity_; + const RawType close_to_infinity_; + const RawType further_from_infinity_; + + // Maximum representable value that's not infinity. + const RawType max_; + + // Some NaNs. + const RawType nan1_; + const RawType nan2_; +}; + +// Tests floating-point matchers with fixed epsilons. +template <typename RawType> +class FloatingPointNearTest : public FloatingPointTest<RawType> { + protected: + typedef FloatingPointTest<RawType> ParentType; + + // A battery of tests for FloatingEqMatcher::Matches with a fixed epsilon. + // matcher_maker is a pointer to a function which creates a FloatingEqMatcher. + void TestNearMatches(testing::internal::FloatingEqMatcher<RawType> ( + *matcher_maker)(RawType, RawType)) { + Matcher<RawType> m1 = matcher_maker(0.0, 0.0); + EXPECT_TRUE(m1.Matches(0.0)); + EXPECT_TRUE(m1.Matches(-0.0)); + EXPECT_FALSE(m1.Matches(ParentType::close_to_positive_zero_)); + EXPECT_FALSE(m1.Matches(ParentType::close_to_negative_zero_)); + EXPECT_FALSE(m1.Matches(1.0)); + + Matcher<RawType> m2 = matcher_maker(0.0, 1.0); + EXPECT_TRUE(m2.Matches(0.0)); + EXPECT_TRUE(m2.Matches(-0.0)); + EXPECT_TRUE(m2.Matches(1.0)); + EXPECT_TRUE(m2.Matches(-1.0)); + EXPECT_FALSE(m2.Matches(ParentType::close_to_one_)); + EXPECT_FALSE(m2.Matches(-ParentType::close_to_one_)); + + // Check that inf matches inf, regardless of the of the specified max + // absolute error. + Matcher<RawType> m3 = matcher_maker(ParentType::infinity_, 0.0); + EXPECT_TRUE(m3.Matches(ParentType::infinity_)); + EXPECT_FALSE(m3.Matches(ParentType::close_to_infinity_)); + EXPECT_FALSE(m3.Matches(-ParentType::infinity_)); + + Matcher<RawType> m4 = matcher_maker(-ParentType::infinity_, 0.0); + EXPECT_TRUE(m4.Matches(-ParentType::infinity_)); + EXPECT_FALSE(m4.Matches(-ParentType::close_to_infinity_)); + EXPECT_FALSE(m4.Matches(ParentType::infinity_)); + + // Test various overflow scenarios. + Matcher<RawType> m5 = matcher_maker(ParentType::max_, ParentType::max_); + EXPECT_TRUE(m5.Matches(ParentType::max_)); + EXPECT_FALSE(m5.Matches(-ParentType::max_)); + + Matcher<RawType> m6 = matcher_maker(-ParentType::max_, ParentType::max_); + EXPECT_FALSE(m6.Matches(ParentType::max_)); + EXPECT_TRUE(m6.Matches(-ParentType::max_)); + + Matcher<RawType> m7 = matcher_maker(ParentType::max_, 0); + EXPECT_TRUE(m7.Matches(ParentType::max_)); + EXPECT_FALSE(m7.Matches(-ParentType::max_)); + + Matcher<RawType> m8 = matcher_maker(-ParentType::max_, 0); + EXPECT_FALSE(m8.Matches(ParentType::max_)); + EXPECT_TRUE(m8.Matches(-ParentType::max_)); + + // The difference between max() and -max() normally overflows to infinity, + // but it should still match if the max_abs_error is also infinity. + Matcher<RawType> m9 = + matcher_maker(ParentType::max_, ParentType::infinity_); + EXPECT_TRUE(m8.Matches(-ParentType::max_)); + + // matcher_maker can produce a Matcher<const RawType&>, which is needed in + // some cases. + Matcher<const RawType&> m10 = matcher_maker(0.0, 1.0); + EXPECT_TRUE(m10.Matches(-0.0)); + EXPECT_TRUE(m10.Matches(ParentType::close_to_positive_zero_)); + EXPECT_FALSE(m10.Matches(ParentType::close_to_one_)); + + // matcher_maker can produce a Matcher<RawType&>, which is needed in some + // cases. + Matcher<RawType&> m11 = matcher_maker(0.0, 1.0); + RawType x = 0.0; + EXPECT_TRUE(m11.Matches(x)); + x = 1.0f; + EXPECT_TRUE(m11.Matches(x)); + x = -1.0f; + EXPECT_TRUE(m11.Matches(x)); + x = 1.1f; + EXPECT_FALSE(m11.Matches(x)); + x = -1.1f; + EXPECT_FALSE(m11.Matches(x)); + } +}; + +// Instantiate FloatingPointTest for testing floats. +typedef FloatingPointTest<float> FloatTest; + +TEST_F(FloatTest, FloatEqApproximatelyMatchesFloats) { TestMatches(&FloatEq); } + +TEST_F(FloatTest, NanSensitiveFloatEqApproximatelyMatchesFloats) { + TestMatches(&NanSensitiveFloatEq); +} + +TEST_F(FloatTest, FloatEqCannotMatchNaN) { + // FloatEq never matches NaN. + Matcher<float> m = FloatEq(nan1_); + EXPECT_FALSE(m.Matches(nan1_)); + EXPECT_FALSE(m.Matches(nan2_)); + EXPECT_FALSE(m.Matches(1.0)); +} + +TEST_F(FloatTest, NanSensitiveFloatEqCanMatchNaN) { + // NanSensitiveFloatEq will match NaN. + Matcher<float> m = NanSensitiveFloatEq(nan1_); + EXPECT_TRUE(m.Matches(nan1_)); + EXPECT_TRUE(m.Matches(nan2_)); + EXPECT_FALSE(m.Matches(1.0)); +} + +TEST_F(FloatTest, FloatEqCanDescribeSelf) { + Matcher<float> m1 = FloatEq(2.0f); + EXPECT_EQ("is approximately 2", Describe(m1)); + EXPECT_EQ("isn't approximately 2", DescribeNegation(m1)); + + Matcher<float> m2 = FloatEq(0.5f); + EXPECT_EQ("is approximately 0.5", Describe(m2)); + EXPECT_EQ("isn't approximately 0.5", DescribeNegation(m2)); + + Matcher<float> m3 = FloatEq(nan1_); + EXPECT_EQ("never matches", Describe(m3)); + EXPECT_EQ("is anything", DescribeNegation(m3)); +} + +TEST_F(FloatTest, NanSensitiveFloatEqCanDescribeSelf) { + Matcher<float> m1 = NanSensitiveFloatEq(2.0f); + EXPECT_EQ("is approximately 2", Describe(m1)); + EXPECT_EQ("isn't approximately 2", DescribeNegation(m1)); + + Matcher<float> m2 = NanSensitiveFloatEq(0.5f); + EXPECT_EQ("is approximately 0.5", Describe(m2)); + EXPECT_EQ("isn't approximately 0.5", DescribeNegation(m2)); + + Matcher<float> m3 = NanSensitiveFloatEq(nan1_); + EXPECT_EQ("is NaN", Describe(m3)); + EXPECT_EQ("isn't NaN", DescribeNegation(m3)); +} + +// Instantiate FloatingPointTest for testing floats with a user-specified +// max absolute error. +typedef FloatingPointNearTest<float> FloatNearTest; + +TEST_F(FloatNearTest, FloatNearMatches) { TestNearMatches(&FloatNear); } + +TEST_F(FloatNearTest, NanSensitiveFloatNearApproximatelyMatchesFloats) { + TestNearMatches(&NanSensitiveFloatNear); +} + +TEST_F(FloatNearTest, FloatNearCanDescribeSelf) { + Matcher<float> m1 = FloatNear(2.0f, 0.5f); + EXPECT_EQ("is approximately 2 (absolute error <= 0.5)", Describe(m1)); + EXPECT_EQ("isn't approximately 2 (absolute error > 0.5)", + DescribeNegation(m1)); + + Matcher<float> m2 = FloatNear(0.5f, 0.5f); + EXPECT_EQ("is approximately 0.5 (absolute error <= 0.5)", Describe(m2)); + EXPECT_EQ("isn't approximately 0.5 (absolute error > 0.5)", + DescribeNegation(m2)); + + Matcher<float> m3 = FloatNear(nan1_, 0.0); + EXPECT_EQ("never matches", Describe(m3)); + EXPECT_EQ("is anything", DescribeNegation(m3)); +} + +TEST_F(FloatNearTest, NanSensitiveFloatNearCanDescribeSelf) { + Matcher<float> m1 = NanSensitiveFloatNear(2.0f, 0.5f); + EXPECT_EQ("is approximately 2 (absolute error <= 0.5)", Describe(m1)); + EXPECT_EQ("isn't approximately 2 (absolute error > 0.5)", + DescribeNegation(m1)); + + Matcher<float> m2 = NanSensitiveFloatNear(0.5f, 0.5f); + EXPECT_EQ("is approximately 0.5 (absolute error <= 0.5)", Describe(m2)); + EXPECT_EQ("isn't approximately 0.5 (absolute error > 0.5)", + DescribeNegation(m2)); + + Matcher<float> m3 = NanSensitiveFloatNear(nan1_, 0.1f); + EXPECT_EQ("is NaN", Describe(m3)); + EXPECT_EQ("isn't NaN", DescribeNegation(m3)); +} + +TEST_F(FloatNearTest, FloatNearCannotMatchNaN) { + // FloatNear never matches NaN. + Matcher<float> m = FloatNear(ParentType::nan1_, 0.1f); + EXPECT_FALSE(m.Matches(nan1_)); + EXPECT_FALSE(m.Matches(nan2_)); + EXPECT_FALSE(m.Matches(1.0)); +} + +TEST_F(FloatNearTest, NanSensitiveFloatNearCanMatchNaN) { + // NanSensitiveFloatNear will match NaN. + Matcher<float> m = NanSensitiveFloatNear(nan1_, 0.1f); + EXPECT_TRUE(m.Matches(nan1_)); + EXPECT_TRUE(m.Matches(nan2_)); + EXPECT_FALSE(m.Matches(1.0)); +} + +// Instantiate FloatingPointTest for testing doubles. +typedef FloatingPointTest<double> DoubleTest; + +TEST_F(DoubleTest, DoubleEqApproximatelyMatchesDoubles) { + TestMatches(&DoubleEq); +} + +TEST_F(DoubleTest, NanSensitiveDoubleEqApproximatelyMatchesDoubles) { + TestMatches(&NanSensitiveDoubleEq); +} + +TEST_F(DoubleTest, DoubleEqCannotMatchNaN) { + // DoubleEq never matches NaN. + Matcher<double> m = DoubleEq(nan1_); + EXPECT_FALSE(m.Matches(nan1_)); + EXPECT_FALSE(m.Matches(nan2_)); + EXPECT_FALSE(m.Matches(1.0)); +} + +TEST_F(DoubleTest, NanSensitiveDoubleEqCanMatchNaN) { + // NanSensitiveDoubleEq will match NaN. + Matcher<double> m = NanSensitiveDoubleEq(nan1_); + EXPECT_TRUE(m.Matches(nan1_)); + EXPECT_TRUE(m.Matches(nan2_)); + EXPECT_FALSE(m.Matches(1.0)); +} + +TEST_F(DoubleTest, DoubleEqCanDescribeSelf) { + Matcher<double> m1 = DoubleEq(2.0); + EXPECT_EQ("is approximately 2", Describe(m1)); + EXPECT_EQ("isn't approximately 2", DescribeNegation(m1)); + + Matcher<double> m2 = DoubleEq(0.5); + EXPECT_EQ("is approximately 0.5", Describe(m2)); + EXPECT_EQ("isn't approximately 0.5", DescribeNegation(m2)); + + Matcher<double> m3 = DoubleEq(nan1_); + EXPECT_EQ("never matches", Describe(m3)); + EXPECT_EQ("is anything", DescribeNegation(m3)); +} + +TEST_F(DoubleTest, NanSensitiveDoubleEqCanDescribeSelf) { + Matcher<double> m1 = NanSensitiveDoubleEq(2.0); + EXPECT_EQ("is approximately 2", Describe(m1)); + EXPECT_EQ("isn't approximately 2", DescribeNegation(m1)); + + Matcher<double> m2 = NanSensitiveDoubleEq(0.5); + EXPECT_EQ("is approximately 0.5", Describe(m2)); + EXPECT_EQ("isn't approximately 0.5", DescribeNegation(m2)); + + Matcher<double> m3 = NanSensitiveDoubleEq(nan1_); + EXPECT_EQ("is NaN", Describe(m3)); + EXPECT_EQ("isn't NaN", DescribeNegation(m3)); +} + +// Instantiate FloatingPointTest for testing floats with a user-specified +// max absolute error. +typedef FloatingPointNearTest<double> DoubleNearTest; + +TEST_F(DoubleNearTest, DoubleNearMatches) { TestNearMatches(&DoubleNear); } + +TEST_F(DoubleNearTest, NanSensitiveDoubleNearApproximatelyMatchesDoubles) { + TestNearMatches(&NanSensitiveDoubleNear); +} + +TEST_F(DoubleNearTest, DoubleNearCanDescribeSelf) { + Matcher<double> m1 = DoubleNear(2.0, 0.5); + EXPECT_EQ("is approximately 2 (absolute error <= 0.5)", Describe(m1)); + EXPECT_EQ("isn't approximately 2 (absolute error > 0.5)", + DescribeNegation(m1)); + + Matcher<double> m2 = DoubleNear(0.5, 0.5); + EXPECT_EQ("is approximately 0.5 (absolute error <= 0.5)", Describe(m2)); + EXPECT_EQ("isn't approximately 0.5 (absolute error > 0.5)", + DescribeNegation(m2)); + + Matcher<double> m3 = DoubleNear(nan1_, 0.0); + EXPECT_EQ("never matches", Describe(m3)); + EXPECT_EQ("is anything", DescribeNegation(m3)); +} + +TEST_F(DoubleNearTest, ExplainsResultWhenMatchFails) { + EXPECT_EQ("", Explain(DoubleNear(2.0, 0.1), 2.05)); + EXPECT_EQ("which is 0.2 from 2", Explain(DoubleNear(2.0, 0.1), 2.2)); + EXPECT_EQ("which is -0.3 from 2", Explain(DoubleNear(2.0, 0.1), 1.7)); + + const std::string explanation = + Explain(DoubleNear(2.1, 1e-10), 2.1 + 1.2e-10); + // Different C++ implementations may print floating-point numbers + // slightly differently. + EXPECT_TRUE(explanation == "which is 1.2e-10 from 2.1" || // GCC + explanation == "which is 1.2e-010 from 2.1") // MSVC + << " where explanation is \"" << explanation << "\"."; +} + +TEST_F(DoubleNearTest, NanSensitiveDoubleNearCanDescribeSelf) { + Matcher<double> m1 = NanSensitiveDoubleNear(2.0, 0.5); + EXPECT_EQ("is approximately 2 (absolute error <= 0.5)", Describe(m1)); + EXPECT_EQ("isn't approximately 2 (absolute error > 0.5)", + DescribeNegation(m1)); + + Matcher<double> m2 = NanSensitiveDoubleNear(0.5, 0.5); + EXPECT_EQ("is approximately 0.5 (absolute error <= 0.5)", Describe(m2)); + EXPECT_EQ("isn't approximately 0.5 (absolute error > 0.5)", + DescribeNegation(m2)); + + Matcher<double> m3 = NanSensitiveDoubleNear(nan1_, 0.1); + EXPECT_EQ("is NaN", Describe(m3)); + EXPECT_EQ("isn't NaN", DescribeNegation(m3)); +} + +TEST_F(DoubleNearTest, DoubleNearCannotMatchNaN) { + // DoubleNear never matches NaN. + Matcher<double> m = DoubleNear(ParentType::nan1_, 0.1); + EXPECT_FALSE(m.Matches(nan1_)); + EXPECT_FALSE(m.Matches(nan2_)); + EXPECT_FALSE(m.Matches(1.0)); +} + +TEST_F(DoubleNearTest, NanSensitiveDoubleNearCanMatchNaN) { + // NanSensitiveDoubleNear will match NaN. + Matcher<double> m = NanSensitiveDoubleNear(nan1_, 0.1); + EXPECT_TRUE(m.Matches(nan1_)); + EXPECT_TRUE(m.Matches(nan2_)); + EXPECT_FALSE(m.Matches(1.0)); +} + +TEST(NotTest, WorksOnMoveOnlyType) { + std::unique_ptr<int> p(new int(3)); + EXPECT_THAT(p, Pointee(Eq(3))); + EXPECT_THAT(p, Not(Pointee(Eq(2)))); +} + +TEST(AllOfTest, HugeMatcher) { + // Verify that using AllOf with many arguments doesn't cause + // the compiler to exceed template instantiation depth limit. + EXPECT_THAT(0, testing::AllOf(_, _, _, _, _, _, _, _, _, + testing::AllOf(_, _, _, _, _, _, _, _, _, _))); +} + +TEST(AnyOfTest, HugeMatcher) { + // Verify that using AnyOf with many arguments doesn't cause + // the compiler to exceed template instantiation depth limit. + EXPECT_THAT(0, testing::AnyOf(_, _, _, _, _, _, _, _, _, + testing::AnyOf(_, _, _, _, _, _, _, _, _, _))); +} + +namespace adl_test { + +// Verifies that the implementation of ::testing::AllOf and ::testing::AnyOf +// don't issue unqualified recursive calls. If they do, the argument dependent +// name lookup will cause AllOf/AnyOf in the 'adl_test' namespace to be found +// as a candidate and the compilation will break due to an ambiguous overload. + +// The matcher must be in the same namespace as AllOf/AnyOf to make argument +// dependent lookup find those. +MATCHER(M, "") { + (void)arg; + return true; +} + +template <typename T1, typename T2> +bool AllOf(const T1& /*t1*/, const T2& /*t2*/) { + return true; +} + +TEST(AllOfTest, DoesNotCallAllOfUnqualified) { + EXPECT_THAT(42, + testing::AllOf(M(), M(), M(), M(), M(), M(), M(), M(), M(), M())); +} + +template <typename T1, typename T2> +bool AnyOf(const T1&, const T2&) { + return true; +} + +TEST(AnyOfTest, DoesNotCallAnyOfUnqualified) { + EXPECT_THAT(42, + testing::AnyOf(M(), M(), M(), M(), M(), M(), M(), M(), M(), M())); +} + +} // namespace adl_test + +TEST(AllOfTest, WorksOnMoveOnlyType) { + std::unique_ptr<int> p(new int(3)); + EXPECT_THAT(p, AllOf(Pointee(Eq(3)), Pointee(Gt(0)), Pointee(Lt(5)))); + EXPECT_THAT(p, Not(AllOf(Pointee(Eq(3)), Pointee(Gt(0)), Pointee(Lt(3))))); +} + +TEST(AnyOfTest, WorksOnMoveOnlyType) { + std::unique_ptr<int> p(new int(3)); + EXPECT_THAT(p, AnyOf(Pointee(Eq(5)), Pointee(Lt(0)), Pointee(Lt(5)))); + EXPECT_THAT(p, Not(AnyOf(Pointee(Eq(5)), Pointee(Lt(0)), Pointee(Gt(5))))); +} + +} // namespace +} // namespace gmock_matchers_test +} // namespace testing + +GTEST_DISABLE_MSC_WARNINGS_POP_() // 4244 4100 diff --git a/googlemock/test/gmock-matchers-comparisons_test.cc b/googlemock/test/gmock-matchers-comparisons_test.cc new file mode 100644 index 000000000000..b2ce99e18d4f --- /dev/null +++ b/googlemock/test/gmock-matchers-comparisons_test.cc @@ -0,0 +1,2361 @@ +// Copyright 2007, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Google Mock - a framework for writing C++ mock classes. +// +// This file tests some commonly used argument matchers. + +#include <functional> +#include <memory> +#include <string> +#include <tuple> +#include <vector> + +#include "test/gmock-matchers_test.h" + +// Silence warning C4244: 'initializing': conversion from 'int' to 'short', +// possible loss of data and C4100, unreferenced local parameter +GTEST_DISABLE_MSC_WARNINGS_PUSH_(4244 4100) + + +namespace testing { +namespace gmock_matchers_test { +namespace { + +INSTANTIATE_GTEST_MATCHER_TEST_P(MonotonicMatcherTest); + +TEST_P(MonotonicMatcherTestP, IsPrintable) { + stringstream ss; + ss << GreaterThan(5); + EXPECT_EQ("is > 5", ss.str()); +} + +TEST(MatchResultListenerTest, StreamingWorks) { + StringMatchResultListener listener; + listener << "hi" << 5; + EXPECT_EQ("hi5", listener.str()); + + listener.Clear(); + EXPECT_EQ("", listener.str()); + + listener << 42; + EXPECT_EQ("42", listener.str()); + + // Streaming shouldn't crash when the underlying ostream is NULL. + DummyMatchResultListener dummy; + dummy << "hi" << 5; +} + +TEST(MatchResultListenerTest, CanAccessUnderlyingStream) { + EXPECT_TRUE(DummyMatchResultListener().stream() == nullptr); + EXPECT_TRUE(StreamMatchResultListener(nullptr).stream() == nullptr); + + EXPECT_EQ(&std::cout, StreamMatchResultListener(&std::cout).stream()); +} + +TEST(MatchResultListenerTest, IsInterestedWorks) { + EXPECT_TRUE(StringMatchResultListener().IsInterested()); + EXPECT_TRUE(StreamMatchResultListener(&std::cout).IsInterested()); + + EXPECT_FALSE(DummyMatchResultListener().IsInterested()); + EXPECT_FALSE(StreamMatchResultListener(nullptr).IsInterested()); +} + +// Makes sure that the MatcherInterface<T> interface doesn't +// change. +class EvenMatcherImpl : public MatcherInterface<int> { + public: + bool MatchAndExplain(int x, + MatchResultListener* /* listener */) const override { + return x % 2 == 0; + } + + void DescribeTo(ostream* os) const override { *os << "is an even number"; } + + // We deliberately don't define DescribeNegationTo() and + // ExplainMatchResultTo() here, to make sure the definition of these + // two methods is optional. +}; + +// Makes sure that the MatcherInterface API doesn't change. +TEST(MatcherInterfaceTest, CanBeImplementedUsingPublishedAPI) { + EvenMatcherImpl m; +} + +// Tests implementing a monomorphic matcher using MatchAndExplain(). + +class NewEvenMatcherImpl : public MatcherInterface<int> { + public: + bool MatchAndExplain(int x, MatchResultListener* listener) const override { + const bool match = x % 2 == 0; + // Verifies that we can stream to a listener directly. + *listener << "value % " << 2; + if (listener->stream() != nullptr) { + // Verifies that we can stream to a listener's underlying stream + // too. + *listener->stream() << " == " << (x % 2); + } + return match; + } + + void DescribeTo(ostream* os) const override { *os << "is an even number"; } +}; + +TEST(MatcherInterfaceTest, CanBeImplementedUsingNewAPI) { + Matcher<int> m = MakeMatcher(new NewEvenMatcherImpl); + EXPECT_TRUE(m.Matches(2)); + EXPECT_FALSE(m.Matches(3)); + EXPECT_EQ("value % 2 == 0", Explain(m, 2)); + EXPECT_EQ("value % 2 == 1", Explain(m, 3)); +} + +INSTANTIATE_GTEST_MATCHER_TEST_P(MatcherTest); + +// Tests default-constructing a matcher. +TEST(MatcherTest, CanBeDefaultConstructed) { Matcher<double> m; } + +// Tests that Matcher<T> can be constructed from a MatcherInterface<T>*. +TEST(MatcherTest, CanBeConstructedFromMatcherInterface) { + const MatcherInterface<int>* impl = new EvenMatcherImpl; + Matcher<int> m(impl); + EXPECT_TRUE(m.Matches(4)); + EXPECT_FALSE(m.Matches(5)); +} + +// Tests that value can be used in place of Eq(value). +TEST(MatcherTest, CanBeImplicitlyConstructedFromValue) { + Matcher<int> m1 = 5; + EXPECT_TRUE(m1.Matches(5)); + EXPECT_FALSE(m1.Matches(6)); +} + +// Tests that NULL can be used in place of Eq(NULL). +TEST(MatcherTest, CanBeImplicitlyConstructedFromNULL) { + Matcher<int*> m1 = nullptr; + EXPECT_TRUE(m1.Matches(nullptr)); + int n = 0; + EXPECT_FALSE(m1.Matches(&n)); +} + +// Tests that matchers can be constructed from a variable that is not properly +// defined. This should be illegal, but many users rely on this accidentally. +struct Undefined { + virtual ~Undefined() = 0; + static const int kInt = 1; +}; + +TEST(MatcherTest, CanBeConstructedFromUndefinedVariable) { + Matcher<int> m1 = Undefined::kInt; + EXPECT_TRUE(m1.Matches(1)); + EXPECT_FALSE(m1.Matches(2)); +} + +// Test that a matcher parameterized with an abstract class compiles. +TEST(MatcherTest, CanAcceptAbstractClass) { Matcher<const Undefined&> m = _; } + +// Tests that matchers are copyable. +TEST(MatcherTest, IsCopyable) { + // Tests the copy constructor. + Matcher<bool> m1 = Eq(false); + EXPECT_TRUE(m1.Matches(false)); + EXPECT_FALSE(m1.Matches(true)); + + // Tests the assignment operator. + m1 = Eq(true); + EXPECT_TRUE(m1.Matches(true)); + EXPECT_FALSE(m1.Matches(false)); +} + +// Tests that Matcher<T>::DescribeTo() calls +// MatcherInterface<T>::DescribeTo(). +TEST(MatcherTest, CanDescribeItself) { + EXPECT_EQ("is an even number", Describe(Matcher<int>(new EvenMatcherImpl))); +} + +// Tests Matcher<T>::MatchAndExplain(). +TEST_P(MatcherTestP, MatchAndExplain) { + Matcher<int> m = GreaterThan(0); + StringMatchResultListener listener1; + EXPECT_TRUE(m.MatchAndExplain(42, &listener1)); + EXPECT_EQ("which is 42 more than 0", listener1.str()); + + StringMatchResultListener listener2; + EXPECT_FALSE(m.MatchAndExplain(-9, &listener2)); + EXPECT_EQ("which is 9 less than 0", listener2.str()); +} + +// Tests that a C-string literal can be implicitly converted to a +// Matcher<std::string> or Matcher<const std::string&>. +TEST(StringMatcherTest, CanBeImplicitlyConstructedFromCStringLiteral) { + Matcher<std::string> m1 = "hi"; + EXPECT_TRUE(m1.Matches("hi")); + EXPECT_FALSE(m1.Matches("hello")); + + Matcher<const std::string&> m2 = "hi"; + EXPECT_TRUE(m2.Matches("hi")); + EXPECT_FALSE(m2.Matches("hello")); +} + +// Tests that a string object can be implicitly converted to a +// Matcher<std::string> or Matcher<const std::string&>. +TEST(StringMatcherTest, CanBeImplicitlyConstructedFromString) { + Matcher<std::string> m1 = std::string("hi"); + EXPECT_TRUE(m1.Matches("hi")); + EXPECT_FALSE(m1.Matches("hello")); + + Matcher<const std::string&> m2 = std::string("hi"); + EXPECT_TRUE(m2.Matches("hi")); + EXPECT_FALSE(m2.Matches("hello")); +} + +#if GTEST_INTERNAL_HAS_STRING_VIEW +// Tests that a C-string literal can be implicitly converted to a +// Matcher<StringView> or Matcher<const StringView&>. +TEST(StringViewMatcherTest, CanBeImplicitlyConstructedFromCStringLiteral) { + Matcher<internal::StringView> m1 = "cats"; + EXPECT_TRUE(m1.Matches("cats")); + EXPECT_FALSE(m1.Matches("dogs")); + + Matcher<const internal::StringView&> m2 = "cats"; + EXPECT_TRUE(m2.Matches("cats")); + EXPECT_FALSE(m2.Matches("dogs")); +} + +// Tests that a std::string object can be implicitly converted to a +// Matcher<StringView> or Matcher<const StringView&>. +TEST(StringViewMatcherTest, CanBeImplicitlyConstructedFromString) { + Matcher<internal::StringView> m1 = std::string("cats"); + EXPECT_TRUE(m1.Matches("cats")); + EXPECT_FALSE(m1.Matches("dogs")); + + Matcher<const internal::StringView&> m2 = std::string("cats"); + EXPECT_TRUE(m2.Matches("cats")); + EXPECT_FALSE(m2.Matches("dogs")); +} + +// Tests that a StringView object can be implicitly converted to a +// Matcher<StringView> or Matcher<const StringView&>. +TEST(StringViewMatcherTest, CanBeImplicitlyConstructedFromStringView) { + Matcher<internal::StringView> m1 = internal::StringView("cats"); + EXPECT_TRUE(m1.Matches("cats")); + EXPECT_FALSE(m1.Matches("dogs")); + + Matcher<const internal::StringView&> m2 = internal::StringView("cats"); + EXPECT_TRUE(m2.Matches("cats")); + EXPECT_FALSE(m2.Matches("dogs")); +} +#endif // GTEST_INTERNAL_HAS_STRING_VIEW + +// Tests that a std::reference_wrapper<std::string> object can be implicitly +// converted to a Matcher<std::string> or Matcher<const std::string&> via Eq(). +TEST(StringMatcherTest, + CanBeImplicitlyConstructedFromEqReferenceWrapperString) { + std::string value = "cats"; + Matcher<std::string> m1 = Eq(std::ref(value)); + EXPECT_TRUE(m1.Matches("cats")); + EXPECT_FALSE(m1.Matches("dogs")); + + Matcher<const std::string&> m2 = Eq(std::ref(value)); + EXPECT_TRUE(m2.Matches("cats")); + EXPECT_FALSE(m2.Matches("dogs")); +} + +// Tests that MakeMatcher() constructs a Matcher<T> from a +// MatcherInterface* without requiring the user to explicitly +// write the type. +TEST(MakeMatcherTest, ConstructsMatcherFromMatcherInterface) { + const MatcherInterface<int>* dummy_impl = new EvenMatcherImpl; + Matcher<int> m = MakeMatcher(dummy_impl); +} + +// Tests that MakePolymorphicMatcher() can construct a polymorphic +// matcher from its implementation using the old API. +const int g_bar = 1; +class ReferencesBarOrIsZeroImpl { + public: + template <typename T> + bool MatchAndExplain(const T& x, MatchResultListener* /* listener */) const { + const void* p = &x; + return p == &g_bar || x == 0; + } + + void DescribeTo(ostream* os) const { *os << "g_bar or zero"; } + + void DescribeNegationTo(ostream* os) const { + *os << "doesn't reference g_bar and is not zero"; + } +}; + +// This function verifies that MakePolymorphicMatcher() returns a +// PolymorphicMatcher<T> where T is the argument's type. +PolymorphicMatcher<ReferencesBarOrIsZeroImpl> ReferencesBarOrIsZero() { + return MakePolymorphicMatcher(ReferencesBarOrIsZeroImpl()); +} + +TEST(MakePolymorphicMatcherTest, ConstructsMatcherUsingOldAPI) { + // Using a polymorphic matcher to match a reference type. + Matcher<const int&> m1 = ReferencesBarOrIsZero(); + EXPECT_TRUE(m1.Matches(0)); + // Verifies that the identity of a by-reference argument is preserved. + EXPECT_TRUE(m1.Matches(g_bar)); + EXPECT_FALSE(m1.Matches(1)); + EXPECT_EQ("g_bar or zero", Describe(m1)); + + // Using a polymorphic matcher to match a value type. + Matcher<double> m2 = ReferencesBarOrIsZero(); + EXPECT_TRUE(m2.Matches(0.0)); + EXPECT_FALSE(m2.Matches(0.1)); + EXPECT_EQ("g_bar or zero", Describe(m2)); +} + +// Tests implementing a polymorphic matcher using MatchAndExplain(). + +class PolymorphicIsEvenImpl { + public: + void DescribeTo(ostream* os) const { *os << "is even"; } + + void DescribeNegationTo(ostream* os) const { *os << "is odd"; } + + template <typename T> + bool MatchAndExplain(const T& x, MatchResultListener* listener) const { + // Verifies that we can stream to the listener directly. + *listener << "% " << 2; + if (listener->stream() != nullptr) { + // Verifies that we can stream to the listener's underlying stream + // too. + *listener->stream() << " == " << (x % 2); + } + return (x % 2) == 0; + } +}; + +PolymorphicMatcher<PolymorphicIsEvenImpl> PolymorphicIsEven() { + return MakePolymorphicMatcher(PolymorphicIsEvenImpl()); +} + +TEST(MakePolymorphicMatcherTest, ConstructsMatcherUsingNewAPI) { + // Using PolymorphicIsEven() as a Matcher<int>. + const Matcher<int> m1 = PolymorphicIsEven(); + EXPECT_TRUE(m1.Matches(42)); + EXPECT_FALSE(m1.Matches(43)); + EXPECT_EQ("is even", Describe(m1)); + + const Matcher<int> not_m1 = Not(m1); + EXPECT_EQ("is odd", Describe(not_m1)); + + EXPECT_EQ("% 2 == 0", Explain(m1, 42)); + + // Using PolymorphicIsEven() as a Matcher<char>. + const Matcher<char> m2 = PolymorphicIsEven(); + EXPECT_TRUE(m2.Matches('\x42')); + EXPECT_FALSE(m2.Matches('\x43')); + EXPECT_EQ("is even", Describe(m2)); + + const Matcher<char> not_m2 = Not(m2); + EXPECT_EQ("is odd", Describe(not_m2)); + + EXPECT_EQ("% 2 == 0", Explain(m2, '\x42')); +} + +INSTANTIATE_GTEST_MATCHER_TEST_P(MatcherCastTest); + +// Tests that MatcherCast<T>(m) works when m is a polymorphic matcher. +TEST_P(MatcherCastTestP, FromPolymorphicMatcher) { + Matcher<int16_t> m; + if (use_gtest_matcher_) { + m = MatcherCast<int16_t>(GtestGreaterThan(int64_t{5})); + } else { + m = MatcherCast<int16_t>(Gt(int64_t{5})); + } + EXPECT_TRUE(m.Matches(6)); + EXPECT_FALSE(m.Matches(4)); +} + +// For testing casting matchers between compatible types. +class IntValue { + public: + // An int can be statically (although not implicitly) cast to a + // IntValue. + explicit IntValue(int a_value) : value_(a_value) {} + + int value() const { return value_; } + + private: + int value_; +}; + +// For testing casting matchers between compatible types. +bool IsPositiveIntValue(const IntValue& foo) { return foo.value() > 0; } + +// Tests that MatcherCast<T>(m) works when m is a Matcher<U> where T +// can be statically converted to U. +TEST(MatcherCastTest, FromCompatibleType) { + Matcher<double> m1 = Eq(2.0); + Matcher<int> m2 = MatcherCast<int>(m1); + EXPECT_TRUE(m2.Matches(2)); + EXPECT_FALSE(m2.Matches(3)); + + Matcher<IntValue> m3 = Truly(IsPositiveIntValue); + Matcher<int> m4 = MatcherCast<int>(m3); + // In the following, the arguments 1 and 0 are statically converted + // to IntValue objects, and then tested by the IsPositiveIntValue() + // predicate. + EXPECT_TRUE(m4.Matches(1)); + EXPECT_FALSE(m4.Matches(0)); +} + +// Tests that MatcherCast<T>(m) works when m is a Matcher<const T&>. +TEST(MatcherCastTest, FromConstReferenceToNonReference) { + Matcher<const int&> m1 = Eq(0); + Matcher<int> m2 = MatcherCast<int>(m1); + EXPECT_TRUE(m2.Matches(0)); + EXPECT_FALSE(m2.Matches(1)); +} + +// Tests that MatcherCast<T>(m) works when m is a Matcher<T&>. +TEST(MatcherCastTest, FromReferenceToNonReference) { + Matcher<int&> m1 = Eq(0); + Matcher<int> m2 = MatcherCast<int>(m1); + EXPECT_TRUE(m2.Matches(0)); + EXPECT_FALSE(m2.Matches(1)); +} + +// Tests that MatcherCast<const T&>(m) works when m is a Matcher<T>. +TEST(MatcherCastTest, FromNonReferenceToConstReference) { + Matcher<int> m1 = Eq(0); + Matcher<const int&> m2 = MatcherCast<const int&>(m1); + EXPECT_TRUE(m2.Matches(0)); + EXPECT_FALSE(m2.Matches(1)); +} + +// Tests that MatcherCast<T&>(m) works when m is a Matcher<T>. +TEST(MatcherCastTest, FromNonReferenceToReference) { + Matcher<int> m1 = Eq(0); + Matcher<int&> m2 = MatcherCast<int&>(m1); + int n = 0; + EXPECT_TRUE(m2.Matches(n)); + n = 1; + EXPECT_FALSE(m2.Matches(n)); +} + +// Tests that MatcherCast<T>(m) works when m is a Matcher<T>. +TEST(MatcherCastTest, FromSameType) { + Matcher<int> m1 = Eq(0); + Matcher<int> m2 = MatcherCast<int>(m1); + EXPECT_TRUE(m2.Matches(0)); + EXPECT_FALSE(m2.Matches(1)); +} + +// Tests that MatcherCast<T>(m) works when m is a value of the same type as the +// value type of the Matcher. +TEST(MatcherCastTest, FromAValue) { + Matcher<int> m = MatcherCast<int>(42); + EXPECT_TRUE(m.Matches(42)); + EXPECT_FALSE(m.Matches(239)); +} + +// Tests that MatcherCast<T>(m) works when m is a value of the type implicitly +// convertible to the value type of the Matcher. +TEST(MatcherCastTest, FromAnImplicitlyConvertibleValue) { + const int kExpected = 'c'; + Matcher<int> m = MatcherCast<int>('c'); + EXPECT_TRUE(m.Matches(kExpected)); + EXPECT_FALSE(m.Matches(kExpected + 1)); +} + +struct NonImplicitlyConstructibleTypeWithOperatorEq { + friend bool operator==( + const NonImplicitlyConstructibleTypeWithOperatorEq& /* ignored */, + int rhs) { + return 42 == rhs; + } + friend bool operator==( + int lhs, + const NonImplicitlyConstructibleTypeWithOperatorEq& /* ignored */) { + return lhs == 42; + } +}; + +// Tests that MatcherCast<T>(m) works when m is a neither a matcher nor +// implicitly convertible to the value type of the Matcher, but the value type +// of the matcher has operator==() overload accepting m. +TEST(MatcherCastTest, NonImplicitlyConstructibleTypeWithOperatorEq) { + Matcher<NonImplicitlyConstructibleTypeWithOperatorEq> m1 = + MatcherCast<NonImplicitlyConstructibleTypeWithOperatorEq>(42); + EXPECT_TRUE(m1.Matches(NonImplicitlyConstructibleTypeWithOperatorEq())); + + Matcher<NonImplicitlyConstructibleTypeWithOperatorEq> m2 = + MatcherCast<NonImplicitlyConstructibleTypeWithOperatorEq>(239); + EXPECT_FALSE(m2.Matches(NonImplicitlyConstructibleTypeWithOperatorEq())); + + // When updating the following lines please also change the comment to + // namespace convertible_from_any. + Matcher<int> m3 = + MatcherCast<int>(NonImplicitlyConstructibleTypeWithOperatorEq()); + EXPECT_TRUE(m3.Matches(42)); + EXPECT_FALSE(m3.Matches(239)); +} + +// ConvertibleFromAny does not work with MSVC. resulting in +// error C2440: 'initializing': cannot convert from 'Eq' to 'M' +// No constructor could take the source type, or constructor overload +// resolution was ambiguous + +#if !defined _MSC_VER + +// The below ConvertibleFromAny struct is implicitly constructible from anything +// and when in the same namespace can interact with other tests. In particular, +// if it is in the same namespace as other tests and one removes +// NonImplicitlyConstructibleTypeWithOperatorEq::operator==(int lhs, ...); +// then the corresponding test still compiles (and it should not!) by implicitly +// converting NonImplicitlyConstructibleTypeWithOperatorEq to ConvertibleFromAny +// in m3.Matcher(). +namespace convertible_from_any { +// Implicitly convertible from any type. +struct ConvertibleFromAny { + ConvertibleFromAny(int a_value) : value(a_value) {} + template <typename T> + ConvertibleFromAny(const T& /*a_value*/) : value(-1) { + ADD_FAILURE() << "Conversion constructor called"; + } + int value; +}; + +bool operator==(const ConvertibleFromAny& a, const ConvertibleFromAny& b) { + return a.value == b.value; +} + +ostream& operator<<(ostream& os, const ConvertibleFromAny& a) { + return os << a.value; +} + +TEST(MatcherCastTest, ConversionConstructorIsUsed) { + Matcher<ConvertibleFromAny> m = MatcherCast<ConvertibleFromAny>(1); + EXPECT_TRUE(m.Matches(ConvertibleFromAny(1))); + EXPECT_FALSE(m.Matches(ConvertibleFromAny(2))); +} + +TEST(MatcherCastTest, FromConvertibleFromAny) { + Matcher<ConvertibleFromAny> m = + MatcherCast<ConvertibleFromAny>(Eq(ConvertibleFromAny(1))); + EXPECT_TRUE(m.Matches(ConvertibleFromAny(1))); + EXPECT_FALSE(m.Matches(ConvertibleFromAny(2))); +} +} // namespace convertible_from_any + +#endif // !defined _MSC_VER + +struct IntReferenceWrapper { + IntReferenceWrapper(const int& a_value) : value(&a_value) {} + const int* value; +}; + +bool operator==(const IntReferenceWrapper& a, const IntReferenceWrapper& b) { + return a.value == b.value; +} + +TEST(MatcherCastTest, ValueIsNotCopied) { + int n = 42; + Matcher<IntReferenceWrapper> m = MatcherCast<IntReferenceWrapper>(n); + // Verify that the matcher holds a reference to n, not to its temporary copy. + EXPECT_TRUE(m.Matches(n)); +} + +class Base { + public: + virtual ~Base() = default; + Base() = default; + + private: + Base(const Base&) = delete; + Base& operator=(const Base&) = delete; +}; + +class Derived : public Base { + public: + Derived() : Base() {} + int i; +}; + +class OtherDerived : public Base {}; + +INSTANTIATE_GTEST_MATCHER_TEST_P(SafeMatcherCastTest); + +// Tests that SafeMatcherCast<T>(m) works when m is a polymorphic matcher. +TEST_P(SafeMatcherCastTestP, FromPolymorphicMatcher) { + Matcher<char> m2; + if (use_gtest_matcher_) { + m2 = SafeMatcherCast<char>(GtestGreaterThan(32)); + } else { + m2 = SafeMatcherCast<char>(Gt(32)); + } + EXPECT_TRUE(m2.Matches('A')); + EXPECT_FALSE(m2.Matches('\n')); +} + +// Tests that SafeMatcherCast<T>(m) works when m is a Matcher<U> where +// T and U are arithmetic types and T can be losslessly converted to +// U. +TEST(SafeMatcherCastTest, FromLosslesslyConvertibleArithmeticType) { + Matcher<double> m1 = DoubleEq(1.0); + Matcher<float> m2 = SafeMatcherCast<float>(m1); + EXPECT_TRUE(m2.Matches(1.0f)); + EXPECT_FALSE(m2.Matches(2.0f)); + + Matcher<char> m3 = SafeMatcherCast<char>(TypedEq<int>('a')); + EXPECT_TRUE(m3.Matches('a')); + EXPECT_FALSE(m3.Matches('b')); +} + +// Tests that SafeMatcherCast<T>(m) works when m is a Matcher<U> where T and U +// are pointers or references to a derived and a base class, correspondingly. +TEST(SafeMatcherCastTest, FromBaseClass) { + Derived d, d2; + Matcher<Base*> m1 = Eq(&d); + Matcher<Derived*> m2 = SafeMatcherCast<Derived*>(m1); + EXPECT_TRUE(m2.Matches(&d)); + EXPECT_FALSE(m2.Matches(&d2)); + + Matcher<Base&> m3 = Ref(d); + Matcher<Derived&> m4 = SafeMatcherCast<Derived&>(m3); + EXPECT_TRUE(m4.Matches(d)); + EXPECT_FALSE(m4.Matches(d2)); +} + +// Tests that SafeMatcherCast<T&>(m) works when m is a Matcher<const T&>. +TEST(SafeMatcherCastTest, FromConstReferenceToReference) { + int n = 0; + Matcher<const int&> m1 = Ref(n); + Matcher<int&> m2 = SafeMatcherCast<int&>(m1); + int n1 = 0; + EXPECT_TRUE(m2.Matches(n)); + EXPECT_FALSE(m2.Matches(n1)); +} + +// Tests that MatcherCast<const T&>(m) works when m is a Matcher<T>. +TEST(SafeMatcherCastTest, FromNonReferenceToConstReference) { + Matcher<std::unique_ptr<int>> m1 = IsNull(); + Matcher<const std::unique_ptr<int>&> m2 = + SafeMatcherCast<const std::unique_ptr<int>&>(m1); + EXPECT_TRUE(m2.Matches(std::unique_ptr<int>())); + EXPECT_FALSE(m2.Matches(std::unique_ptr<int>(new int))); +} + +// Tests that SafeMatcherCast<T&>(m) works when m is a Matcher<T>. +TEST(SafeMatcherCastTest, FromNonReferenceToReference) { + Matcher<int> m1 = Eq(0); + Matcher<int&> m2 = SafeMatcherCast<int&>(m1); + int n = 0; + EXPECT_TRUE(m2.Matches(n)); + n = 1; + EXPECT_FALSE(m2.Matches(n)); +} + +// Tests that SafeMatcherCast<T>(m) works when m is a Matcher<T>. +TEST(SafeMatcherCastTest, FromSameType) { + Matcher<int> m1 = Eq(0); + Matcher<int> m2 = SafeMatcherCast<int>(m1); + EXPECT_TRUE(m2.Matches(0)); + EXPECT_FALSE(m2.Matches(1)); +} + +#if !defined _MSC_VER + +namespace convertible_from_any { +TEST(SafeMatcherCastTest, ConversionConstructorIsUsed) { + Matcher<ConvertibleFromAny> m = SafeMatcherCast<ConvertibleFromAny>(1); + EXPECT_TRUE(m.Matches(ConvertibleFromAny(1))); + EXPECT_FALSE(m.Matches(ConvertibleFromAny(2))); +} + +TEST(SafeMatcherCastTest, FromConvertibleFromAny) { + Matcher<ConvertibleFromAny> m = + SafeMatcherCast<ConvertibleFromAny>(Eq(ConvertibleFromAny(1))); + EXPECT_TRUE(m.Matches(ConvertibleFromAny(1))); + EXPECT_FALSE(m.Matches(ConvertibleFromAny(2))); +} +} // namespace convertible_from_any + +#endif // !defined _MSC_VER + +TEST(SafeMatcherCastTest, ValueIsNotCopied) { + int n = 42; + Matcher<IntReferenceWrapper> m = SafeMatcherCast<IntReferenceWrapper>(n); + // Verify that the matcher holds a reference to n, not to its temporary copy. + EXPECT_TRUE(m.Matches(n)); +} + +TEST(ExpectThat, TakesLiterals) { + EXPECT_THAT(1, 1); + EXPECT_THAT(1.0, 1.0); + EXPECT_THAT(std::string(), ""); +} + +TEST(ExpectThat, TakesFunctions) { + struct Helper { + static void Func() {} + }; + void (*func)() = Helper::Func; + EXPECT_THAT(func, Helper::Func); + EXPECT_THAT(func, &Helper::Func); +} + +// Tests that A<T>() matches any value of type T. +TEST(ATest, MatchesAnyValue) { + // Tests a matcher for a value type. + Matcher<double> m1 = A<double>(); + EXPECT_TRUE(m1.Matches(91.43)); + EXPECT_TRUE(m1.Matches(-15.32)); + + // Tests a matcher for a reference type. + int a = 2; + int b = -6; + Matcher<int&> m2 = A<int&>(); + EXPECT_TRUE(m2.Matches(a)); + EXPECT_TRUE(m2.Matches(b)); +} + +TEST(ATest, WorksForDerivedClass) { + Base base; + Derived derived; + EXPECT_THAT(&base, A<Base*>()); + // This shouldn't compile: EXPECT_THAT(&base, A<Derived*>()); + EXPECT_THAT(&derived, A<Base*>()); + EXPECT_THAT(&derived, A<Derived*>()); +} + +// Tests that A<T>() describes itself properly. +TEST(ATest, CanDescribeSelf) { EXPECT_EQ("is anything", Describe(A<bool>())); } + +// Tests that An<T>() matches any value of type T. +TEST(AnTest, MatchesAnyValue) { + // Tests a matcher for a value type. + Matcher<int> m1 = An<int>(); + EXPECT_TRUE(m1.Matches(9143)); + EXPECT_TRUE(m1.Matches(-1532)); + + // Tests a matcher for a reference type. + int a = 2; + int b = -6; + Matcher<int&> m2 = An<int&>(); + EXPECT_TRUE(m2.Matches(a)); + EXPECT_TRUE(m2.Matches(b)); +} + +// Tests that An<T>() describes itself properly. +TEST(AnTest, CanDescribeSelf) { EXPECT_EQ("is anything", Describe(An<int>())); } + +// Tests that _ can be used as a matcher for any type and matches any +// value of that type. +TEST(UnderscoreTest, MatchesAnyValue) { + // Uses _ as a matcher for a value type. + Matcher<int> m1 = _; + EXPECT_TRUE(m1.Matches(123)); + EXPECT_TRUE(m1.Matches(-242)); + + // Uses _ as a matcher for a reference type. + bool a = false; + const bool b = true; + Matcher<const bool&> m2 = _; + EXPECT_TRUE(m2.Matches(a)); + EXPECT_TRUE(m2.Matches(b)); +} + +// Tests that _ describes itself properly. +TEST(UnderscoreTest, CanDescribeSelf) { + Matcher<int> m = _; + EXPECT_EQ("is anything", Describe(m)); +} + +// Tests that Eq(x) matches any value equal to x. +TEST(EqTest, MatchesEqualValue) { + // 2 C-strings with same content but different addresses. + const char a1[] = "hi"; + const char a2[] = "hi"; + + Matcher<const char*> m1 = Eq(a1); + EXPECT_TRUE(m1.Matches(a1)); + EXPECT_FALSE(m1.Matches(a2)); +} + +// Tests that Eq(v) describes itself properly. + +class Unprintable { + public: + Unprintable() : c_('a') {} + + bool operator==(const Unprintable& /* rhs */) const { return true; } + // -Wunused-private-field: dummy accessor for `c_`. + char dummy_c() { return c_; } + + private: + char c_; +}; + +TEST(EqTest, CanDescribeSelf) { + Matcher<Unprintable> m = Eq(Unprintable()); + EXPECT_EQ("is equal to 1-byte object <61>", Describe(m)); +} + +// Tests that Eq(v) can be used to match any type that supports +// comparing with type T, where T is v's type. +TEST(EqTest, IsPolymorphic) { + Matcher<int> m1 = Eq(1); + EXPECT_TRUE(m1.Matches(1)); + EXPECT_FALSE(m1.Matches(2)); + + Matcher<char> m2 = Eq(1); + EXPECT_TRUE(m2.Matches('\1')); + EXPECT_FALSE(m2.Matches('a')); +} + +// Tests that TypedEq<T>(v) matches values of type T that's equal to v. +TEST(TypedEqTest, ChecksEqualityForGivenType) { + Matcher<char> m1 = TypedEq<char>('a'); + EXPECT_TRUE(m1.Matches('a')); + EXPECT_FALSE(m1.Matches('b')); + + Matcher<int> m2 = TypedEq<int>(6); + EXPECT_TRUE(m2.Matches(6)); + EXPECT_FALSE(m2.Matches(7)); +} + +// Tests that TypedEq(v) describes itself properly. +TEST(TypedEqTest, CanDescribeSelf) { + EXPECT_EQ("is equal to 2", Describe(TypedEq<int>(2))); +} + +// Tests that TypedEq<T>(v) has type Matcher<T>. + +// Type<T>::IsTypeOf(v) compiles if and only if the type of value v is T, where +// T is a "bare" type (i.e. not in the form of const U or U&). If v's type is +// not T, the compiler will generate a message about "undefined reference". +template <typename T> +struct Type { + static bool IsTypeOf(const T& /* v */) { return true; } + + template <typename T2> + static void IsTypeOf(T2 v); +}; + +TEST(TypedEqTest, HasSpecifiedType) { + // Verifies that the type of TypedEq<T>(v) is Matcher<T>. + Type<Matcher<int>>::IsTypeOf(TypedEq<int>(5)); + Type<Matcher<double>>::IsTypeOf(TypedEq<double>(5)); +} + +// Tests that Ge(v) matches anything >= v. +TEST(GeTest, ImplementsGreaterThanOrEqual) { + Matcher<int> m1 = Ge(0); + EXPECT_TRUE(m1.Matches(1)); + EXPECT_TRUE(m1.Matches(0)); + EXPECT_FALSE(m1.Matches(-1)); +} + +// Tests that Ge(v) describes itself properly. +TEST(GeTest, CanDescribeSelf) { + Matcher<int> m = Ge(5); + EXPECT_EQ("is >= 5", Describe(m)); +} + +// Tests that Gt(v) matches anything > v. +TEST(GtTest, ImplementsGreaterThan) { + Matcher<double> m1 = Gt(0); + EXPECT_TRUE(m1.Matches(1.0)); + EXPECT_FALSE(m1.Matches(0.0)); + EXPECT_FALSE(m1.Matches(-1.0)); +} + +// Tests that Gt(v) describes itself properly. +TEST(GtTest, CanDescribeSelf) { + Matcher<int> m = Gt(5); + EXPECT_EQ("is > 5", Describe(m)); +} + +// Tests that Le(v) matches anything <= v. +TEST(LeTest, ImplementsLessThanOrEqual) { + Matcher<char> m1 = Le('b'); + EXPECT_TRUE(m1.Matches('a')); + EXPECT_TRUE(m1.Matches('b')); + EXPECT_FALSE(m1.Matches('c')); +} + +// Tests that Le(v) describes itself properly. +TEST(LeTest, CanDescribeSelf) { + Matcher<int> m = Le(5); + EXPECT_EQ("is <= 5", Describe(m)); +} + +// Tests that Lt(v) matches anything < v. +TEST(LtTest, ImplementsLessThan) { + Matcher<const std::string&> m1 = Lt("Hello"); + EXPECT_TRUE(m1.Matches("Abc")); + EXPECT_FALSE(m1.Matches("Hello")); + EXPECT_FALSE(m1.Matches("Hello, world!")); +} + +// Tests that Lt(v) describes itself properly. +TEST(LtTest, CanDescribeSelf) { + Matcher<int> m = Lt(5); + EXPECT_EQ("is < 5", Describe(m)); +} + +// Tests that Ne(v) matches anything != v. +TEST(NeTest, ImplementsNotEqual) { + Matcher<int> m1 = Ne(0); + EXPECT_TRUE(m1.Matches(1)); + EXPECT_TRUE(m1.Matches(-1)); + EXPECT_FALSE(m1.Matches(0)); +} + +// Tests that Ne(v) describes itself properly. +TEST(NeTest, CanDescribeSelf) { + Matcher<int> m = Ne(5); + EXPECT_EQ("isn't equal to 5", Describe(m)); +} + +class MoveOnly { + public: + explicit MoveOnly(int i) : i_(i) {} + MoveOnly(const MoveOnly&) = delete; + MoveOnly(MoveOnly&&) = default; + MoveOnly& operator=(const MoveOnly&) = delete; + MoveOnly& operator=(MoveOnly&&) = default; + + bool operator==(const MoveOnly& other) const { return i_ == other.i_; } + bool operator!=(const MoveOnly& other) const { return i_ != other.i_; } + bool operator<(const MoveOnly& other) const { return i_ < other.i_; } + bool operator<=(const MoveOnly& other) const { return i_ <= other.i_; } + bool operator>(const MoveOnly& other) const { return i_ > other.i_; } + bool operator>=(const MoveOnly& other) const { return i_ >= other.i_; } + + private: + int i_; +}; + +struct MoveHelper { + MOCK_METHOD1(Call, void(MoveOnly)); +}; + +// Disable this test in VS 2015 (version 14), where it fails when SEH is enabled +#if defined(_MSC_VER) && (_MSC_VER < 1910) +TEST(ComparisonBaseTest, DISABLED_WorksWithMoveOnly) { +#else +TEST(ComparisonBaseTest, WorksWithMoveOnly) { +#endif + MoveOnly m{0}; + MoveHelper helper; + + EXPECT_CALL(helper, Call(Eq(ByRef(m)))); + helper.Call(MoveOnly(0)); + EXPECT_CALL(helper, Call(Ne(ByRef(m)))); + helper.Call(MoveOnly(1)); + EXPECT_CALL(helper, Call(Le(ByRef(m)))); + helper.Call(MoveOnly(0)); + EXPECT_CALL(helper, Call(Lt(ByRef(m)))); + helper.Call(MoveOnly(-1)); + EXPECT_CALL(helper, Call(Ge(ByRef(m)))); + helper.Call(MoveOnly(0)); + EXPECT_CALL(helper, Call(Gt(ByRef(m)))); + helper.Call(MoveOnly(1)); +} + +TEST(IsEmptyTest, MatchesContainer) { + const Matcher<std::vector<int>> m = IsEmpty(); + std::vector<int> a = {}; + std::vector<int> b = {1}; + EXPECT_TRUE(m.Matches(a)); + EXPECT_FALSE(m.Matches(b)); +} + +TEST(IsEmptyTest, MatchesStdString) { + const Matcher<std::string> m = IsEmpty(); + std::string a = "z"; + std::string b = ""; + EXPECT_FALSE(m.Matches(a)); + EXPECT_TRUE(m.Matches(b)); +} + +TEST(IsEmptyTest, MatchesCString) { + const Matcher<const char*> m = IsEmpty(); + const char a[] = ""; + const char b[] = "x"; + EXPECT_TRUE(m.Matches(a)); + EXPECT_FALSE(m.Matches(b)); +} + +// Tests that IsNull() matches any NULL pointer of any type. +TEST(IsNullTest, MatchesNullPointer) { + Matcher<int*> m1 = IsNull(); + int* p1 = nullptr; + int n = 0; + EXPECT_TRUE(m1.Matches(p1)); + EXPECT_FALSE(m1.Matches(&n)); + + Matcher<const char*> m2 = IsNull(); + const char* p2 = nullptr; + EXPECT_TRUE(m2.Matches(p2)); + EXPECT_FALSE(m2.Matches("hi")); + + Matcher<void*> m3 = IsNull(); + void* p3 = nullptr; + EXPECT_TRUE(m3.Matches(p3)); + EXPECT_FALSE(m3.Matches(reinterpret_cast<void*>(0xbeef))); +} + +TEST(IsNullTest, StdFunction) { + const Matcher<std::function<void()>> m = IsNull(); + + EXPECT_TRUE(m.Matches(std::function<void()>())); + EXPECT_FALSE(m.Matches([] {})); +} + +// Tests that IsNull() describes itself properly. +TEST(IsNullTest, CanDescribeSelf) { + Matcher<int*> m = IsNull(); + EXPECT_EQ("is NULL", Describe(m)); + EXPECT_EQ("isn't NULL", DescribeNegation(m)); +} + +// Tests that NotNull() matches any non-NULL pointer of any type. +TEST(NotNullTest, MatchesNonNullPointer) { + Matcher<int*> m1 = NotNull(); + int* p1 = nullptr; + int n = 0; + EXPECT_FALSE(m1.Matches(p1)); + EXPECT_TRUE(m1.Matches(&n)); + + Matcher<const char*> m2 = NotNull(); + const char* p2 = nullptr; + EXPECT_FALSE(m2.Matches(p2)); + EXPECT_TRUE(m2.Matches("hi")); +} + +TEST(NotNullTest, LinkedPtr) { + const Matcher<std::shared_ptr<int>> m = NotNull(); + const std::shared_ptr<int> null_p; + const std::shared_ptr<int> non_null_p(new int); + + EXPECT_FALSE(m.Matches(null_p)); + EXPECT_TRUE(m.Matches(non_null_p)); +} + +TEST(NotNullTest, ReferenceToConstLinkedPtr) { + const Matcher<const std::shared_ptr<double>&> m = NotNull(); + const std::shared_ptr<double> null_p; + const std::shared_ptr<double> non_null_p(new double); + + EXPECT_FALSE(m.Matches(null_p)); + EXPECT_TRUE(m.Matches(non_null_p)); +} + +TEST(NotNullTest, StdFunction) { + const Matcher<std::function<void()>> m = NotNull(); + + EXPECT_TRUE(m.Matches([] {})); + EXPECT_FALSE(m.Matches(std::function<void()>())); +} + +// Tests that NotNull() describes itself properly. +TEST(NotNullTest, CanDescribeSelf) { + Matcher<int*> m = NotNull(); + EXPECT_EQ("isn't NULL", Describe(m)); +} + +// Tests that Ref(variable) matches an argument that references +// 'variable'. +TEST(RefTest, MatchesSameVariable) { + int a = 0; + int b = 0; + Matcher<int&> m = Ref(a); + EXPECT_TRUE(m.Matches(a)); + EXPECT_FALSE(m.Matches(b)); +} + +// Tests that Ref(variable) describes itself properly. +TEST(RefTest, CanDescribeSelf) { + int n = 5; + Matcher<int&> m = Ref(n); + stringstream ss; + ss << "references the variable @" << &n << " 5"; + EXPECT_EQ(ss.str(), Describe(m)); +} + +// Test that Ref(non_const_varialbe) can be used as a matcher for a +// const reference. +TEST(RefTest, CanBeUsedAsMatcherForConstReference) { + int a = 0; + int b = 0; + Matcher<const int&> m = Ref(a); + EXPECT_TRUE(m.Matches(a)); + EXPECT_FALSE(m.Matches(b)); +} + +// Tests that Ref(variable) is covariant, i.e. Ref(derived) can be +// used wherever Ref(base) can be used (Ref(derived) is a sub-type +// of Ref(base), but not vice versa. + +TEST(RefTest, IsCovariant) { + Base base, base2; + Derived derived; + Matcher<const Base&> m1 = Ref(base); + EXPECT_TRUE(m1.Matches(base)); + EXPECT_FALSE(m1.Matches(base2)); + EXPECT_FALSE(m1.Matches(derived)); + + m1 = Ref(derived); + EXPECT_TRUE(m1.Matches(derived)); + EXPECT_FALSE(m1.Matches(base)); + EXPECT_FALSE(m1.Matches(base2)); +} + +TEST(RefTest, ExplainsResult) { + int n = 0; + EXPECT_THAT(Explain(Matcher<const int&>(Ref(n)), n), + StartsWith("which is located @")); + + int m = 0; + EXPECT_THAT(Explain(Matcher<const int&>(Ref(n)), m), + StartsWith("which is located @")); +} + +// Tests string comparison matchers. + +template <typename T = std::string> +std::string FromStringLike(internal::StringLike<T> str) { + return std::string(str); +} + +TEST(StringLike, TestConversions) { + EXPECT_EQ("foo", FromStringLike("foo")); + EXPECT_EQ("foo", FromStringLike(std::string("foo"))); +#if GTEST_INTERNAL_HAS_STRING_VIEW + EXPECT_EQ("foo", FromStringLike(internal::StringView("foo"))); +#endif // GTEST_INTERNAL_HAS_STRING_VIEW + + // Non deducible types. + EXPECT_EQ("", FromStringLike({})); + EXPECT_EQ("foo", FromStringLike({'f', 'o', 'o'})); + const char buf[] = "foo"; + EXPECT_EQ("foo", FromStringLike({buf, buf + 3})); +} + +TEST(StrEqTest, MatchesEqualString) { + Matcher<const char*> m = StrEq(std::string("Hello")); + EXPECT_TRUE(m.Matches("Hello")); + EXPECT_FALSE(m.Matches("hello")); + EXPECT_FALSE(m.Matches(nullptr)); + + Matcher<const std::string&> m2 = StrEq("Hello"); + EXPECT_TRUE(m2.Matches("Hello")); + EXPECT_FALSE(m2.Matches("Hi")); + +#if GTEST_INTERNAL_HAS_STRING_VIEW + Matcher<const internal::StringView&> m3 = + StrEq(internal::StringView("Hello")); + EXPECT_TRUE(m3.Matches(internal::StringView("Hello"))); + EXPECT_FALSE(m3.Matches(internal::StringView("hello"))); + EXPECT_FALSE(m3.Matches(internal::StringView())); + + Matcher<const internal::StringView&> m_empty = StrEq(""); + EXPECT_TRUE(m_empty.Matches(internal::StringView(""))); + EXPECT_TRUE(m_empty.Matches(internal::StringView())); + EXPECT_FALSE(m_empty.Matches(internal::StringView("hello"))); +#endif // GTEST_INTERNAL_HAS_STRING_VIEW +} + +TEST(StrEqTest, CanDescribeSelf) { + Matcher<std::string> m = StrEq("Hi-\'\"?\\\a\b\f\n\r\t\v\xD3"); + EXPECT_EQ("is equal to \"Hi-\'\\\"?\\\\\\a\\b\\f\\n\\r\\t\\v\\xD3\"", + Describe(m)); + + std::string str("01204500800"); + str[3] = '\0'; + Matcher<std::string> m2 = StrEq(str); + EXPECT_EQ("is equal to \"012\\04500800\"", Describe(m2)); + str[0] = str[6] = str[7] = str[9] = str[10] = '\0'; + Matcher<std::string> m3 = StrEq(str); + EXPECT_EQ("is equal to \"\\012\\045\\0\\08\\0\\0\"", Describe(m3)); +} + +TEST(StrNeTest, MatchesUnequalString) { + Matcher<const char*> m = StrNe("Hello"); + EXPECT_TRUE(m.Matches("")); + EXPECT_TRUE(m.Matches(nullptr)); + EXPECT_FALSE(m.Matches("Hello")); + + Matcher<std::string> m2 = StrNe(std::string("Hello")); + EXPECT_TRUE(m2.Matches("hello")); + EXPECT_FALSE(m2.Matches("Hello")); + +#if GTEST_INTERNAL_HAS_STRING_VIEW + Matcher<const internal::StringView> m3 = StrNe(internal::StringView("Hello")); + EXPECT_TRUE(m3.Matches(internal::StringView(""))); + EXPECT_TRUE(m3.Matches(internal::StringView())); + EXPECT_FALSE(m3.Matches(internal::StringView("Hello"))); +#endif // GTEST_INTERNAL_HAS_STRING_VIEW +} + +TEST(StrNeTest, CanDescribeSelf) { + Matcher<const char*> m = StrNe("Hi"); + EXPECT_EQ("isn't equal to \"Hi\"", Describe(m)); +} + +TEST(StrCaseEqTest, MatchesEqualStringIgnoringCase) { + Matcher<const char*> m = StrCaseEq(std::string("Hello")); + EXPECT_TRUE(m.Matches("Hello")); + EXPECT_TRUE(m.Matches("hello")); + EXPECT_FALSE(m.Matches("Hi")); + EXPECT_FALSE(m.Matches(nullptr)); + + Matcher<const std::string&> m2 = StrCaseEq("Hello"); + EXPECT_TRUE(m2.Matches("hello")); + EXPECT_FALSE(m2.Matches("Hi")); + +#if GTEST_INTERNAL_HAS_STRING_VIEW + Matcher<const internal::StringView&> m3 = + StrCaseEq(internal::StringView("Hello")); + EXPECT_TRUE(m3.Matches(internal::StringView("Hello"))); + EXPECT_TRUE(m3.Matches(internal::StringView("hello"))); + EXPECT_FALSE(m3.Matches(internal::StringView("Hi"))); + EXPECT_FALSE(m3.Matches(internal::StringView())); +#endif // GTEST_INTERNAL_HAS_STRING_VIEW +} + +TEST(StrCaseEqTest, MatchesEqualStringWith0IgnoringCase) { + std::string str1("oabocdooeoo"); + std::string str2("OABOCDOOEOO"); + Matcher<const std::string&> m0 = StrCaseEq(str1); + EXPECT_FALSE(m0.Matches(str2 + std::string(1, '\0'))); + + str1[3] = str2[3] = '\0'; + Matcher<const std::string&> m1 = StrCaseEq(str1); + EXPECT_TRUE(m1.Matches(str2)); + + str1[0] = str1[6] = str1[7] = str1[10] = '\0'; + str2[0] = str2[6] = str2[7] = str2[10] = '\0'; + Matcher<const std::string&> m2 = StrCaseEq(str1); + str1[9] = str2[9] = '\0'; + EXPECT_FALSE(m2.Matches(str2)); + + Matcher<const std::string&> m3 = StrCaseEq(str1); + EXPECT_TRUE(m3.Matches(str2)); + + EXPECT_FALSE(m3.Matches(str2 + "x")); + str2.append(1, '\0'); + EXPECT_FALSE(m3.Matches(str2)); + EXPECT_FALSE(m3.Matches(std::string(str2, 0, 9))); +} + +TEST(StrCaseEqTest, CanDescribeSelf) { + Matcher<std::string> m = StrCaseEq("Hi"); + EXPECT_EQ("is equal to (ignoring case) \"Hi\"", Describe(m)); +} + +TEST(StrCaseNeTest, MatchesUnequalStringIgnoringCase) { + Matcher<const char*> m = StrCaseNe("Hello"); + EXPECT_TRUE(m.Matches("Hi")); + EXPECT_TRUE(m.Matches(nullptr)); + EXPECT_FALSE(m.Matches("Hello")); + EXPECT_FALSE(m.Matches("hello")); + + Matcher<std::string> m2 = StrCaseNe(std::string("Hello")); + EXPECT_TRUE(m2.Matches("")); + EXPECT_FALSE(m2.Matches("Hello")); + +#if GTEST_INTERNAL_HAS_STRING_VIEW + Matcher<const internal::StringView> m3 = + StrCaseNe(internal::StringView("Hello")); + EXPECT_TRUE(m3.Matches(internal::StringView("Hi"))); + EXPECT_TRUE(m3.Matches(internal::StringView())); + EXPECT_FALSE(m3.Matches(internal::StringView("Hello"))); + EXPECT_FALSE(m3.Matches(internal::StringView("hello"))); +#endif // GTEST_INTERNAL_HAS_STRING_VIEW +} + +TEST(StrCaseNeTest, CanDescribeSelf) { + Matcher<const char*> m = StrCaseNe("Hi"); + EXPECT_EQ("isn't equal to (ignoring case) \"Hi\"", Describe(m)); +} + +// Tests that HasSubstr() works for matching string-typed values. +TEST(HasSubstrTest, WorksForStringClasses) { + const Matcher<std::string> m1 = HasSubstr("foo"); + EXPECT_TRUE(m1.Matches(std::string("I love food."))); + EXPECT_FALSE(m1.Matches(std::string("tofo"))); + + const Matcher<const std::string&> m2 = HasSubstr("foo"); + EXPECT_TRUE(m2.Matches(std::string("I love food."))); + EXPECT_FALSE(m2.Matches(std::string("tofo"))); + + const Matcher<std::string> m_empty = HasSubstr(""); + EXPECT_TRUE(m_empty.Matches(std::string())); + EXPECT_TRUE(m_empty.Matches(std::string("not empty"))); +} + +// Tests that HasSubstr() works for matching C-string-typed values. +TEST(HasSubstrTest, WorksForCStrings) { + const Matcher<char*> m1 = HasSubstr("foo"); + EXPECT_TRUE(m1.Matches(const_cast<char*>("I love food."))); + EXPECT_FALSE(m1.Matches(const_cast<char*>("tofo"))); + EXPECT_FALSE(m1.Matches(nullptr)); + + const Matcher<const char*> m2 = HasSubstr("foo"); + EXPECT_TRUE(m2.Matches("I love food.")); + EXPECT_FALSE(m2.Matches("tofo")); + EXPECT_FALSE(m2.Matches(nullptr)); + + const Matcher<const char*> m_empty = HasSubstr(""); + EXPECT_TRUE(m_empty.Matches("not empty")); + EXPECT_TRUE(m_empty.Matches("")); + EXPECT_FALSE(m_empty.Matches(nullptr)); +} + +#if GTEST_INTERNAL_HAS_STRING_VIEW +// Tests that HasSubstr() works for matching StringView-typed values. +TEST(HasSubstrTest, WorksForStringViewClasses) { + const Matcher<internal::StringView> m1 = + HasSubstr(internal::StringView("foo")); + EXPECT_TRUE(m1.Matches(internal::StringView("I love food."))); + EXPECT_FALSE(m1.Matches(internal::StringView("tofo"))); + EXPECT_FALSE(m1.Matches(internal::StringView())); + + const Matcher<const internal::StringView&> m2 = HasSubstr("foo"); + EXPECT_TRUE(m2.Matches(internal::StringView("I love food."))); + EXPECT_FALSE(m2.Matches(internal::StringView("tofo"))); + EXPECT_FALSE(m2.Matches(internal::StringView())); + + const Matcher<const internal::StringView&> m3 = HasSubstr(""); + EXPECT_TRUE(m3.Matches(internal::StringView("foo"))); + EXPECT_TRUE(m3.Matches(internal::StringView(""))); + EXPECT_TRUE(m3.Matches(internal::StringView())); +} +#endif // GTEST_INTERNAL_HAS_STRING_VIEW + +// Tests that HasSubstr(s) describes itself properly. +TEST(HasSubstrTest, CanDescribeSelf) { + Matcher<std::string> m = HasSubstr("foo\n\""); + EXPECT_EQ("has substring \"foo\\n\\\"\"", Describe(m)); +} + +INSTANTIATE_GTEST_MATCHER_TEST_P(KeyTest); + +TEST(KeyTest, CanDescribeSelf) { + Matcher<const pair<std::string, int>&> m = Key("foo"); + EXPECT_EQ("has a key that is equal to \"foo\"", Describe(m)); + EXPECT_EQ("doesn't have a key that is equal to \"foo\"", DescribeNegation(m)); +} + +TEST_P(KeyTestP, ExplainsResult) { + Matcher<pair<int, bool>> m = Key(GreaterThan(10)); + EXPECT_EQ("whose first field is a value which is 5 less than 10", + Explain(m, make_pair(5, true))); + EXPECT_EQ("whose first field is a value which is 5 more than 10", + Explain(m, make_pair(15, true))); +} + +TEST(KeyTest, MatchesCorrectly) { + pair<int, std::string> p(25, "foo"); + EXPECT_THAT(p, Key(25)); + EXPECT_THAT(p, Not(Key(42))); + EXPECT_THAT(p, Key(Ge(20))); + EXPECT_THAT(p, Not(Key(Lt(25)))); +} + +TEST(KeyTest, WorksWithMoveOnly) { + pair<std::unique_ptr<int>, std::unique_ptr<int>> p; + EXPECT_THAT(p, Key(Eq(nullptr))); +} + +INSTANTIATE_GTEST_MATCHER_TEST_P(PairTest); + +template <size_t I> +struct Tag {}; + +struct PairWithGet { + int member_1; + std::string member_2; + using first_type = int; + using second_type = std::string; + + const int& GetImpl(Tag<0>) const { return member_1; } + const std::string& GetImpl(Tag<1>) const { return member_2; } +}; +template <size_t I> +auto get(const PairWithGet& value) -> decltype(value.GetImpl(Tag<I>())) { + return value.GetImpl(Tag<I>()); +} +TEST(PairTest, MatchesPairWithGetCorrectly) { + PairWithGet p{25, "foo"}; + EXPECT_THAT(p, Key(25)); + EXPECT_THAT(p, Not(Key(42))); + EXPECT_THAT(p, Key(Ge(20))); + EXPECT_THAT(p, Not(Key(Lt(25)))); + + std::vector<PairWithGet> v = {{11, "Foo"}, {29, "gMockIsBestMock"}}; + EXPECT_THAT(v, Contains(Key(29))); +} + +TEST(KeyTest, SafelyCastsInnerMatcher) { + Matcher<int> is_positive = Gt(0); + Matcher<int> is_negative = Lt(0); + pair<char, bool> p('a', true); + EXPECT_THAT(p, Key(is_positive)); + EXPECT_THAT(p, Not(Key(is_negative))); +} + +TEST(KeyTest, InsideContainsUsingMap) { + map<int, char> container; + container.insert(make_pair(1, 'a')); + container.insert(make_pair(2, 'b')); + container.insert(make_pair(4, 'c')); + EXPECT_THAT(container, Contains(Key(1))); + EXPECT_THAT(container, Not(Contains(Key(3)))); +} + +TEST(KeyTest, InsideContainsUsingMultimap) { + multimap<int, char> container; + container.insert(make_pair(1, 'a')); + container.insert(make_pair(2, 'b')); + container.insert(make_pair(4, 'c')); + + EXPECT_THAT(container, Not(Contains(Key(25)))); + container.insert(make_pair(25, 'd')); + EXPECT_THAT(container, Contains(Key(25))); + container.insert(make_pair(25, 'e')); + EXPECT_THAT(container, Contains(Key(25))); + + EXPECT_THAT(container, Contains(Key(1))); + EXPECT_THAT(container, Not(Contains(Key(3)))); +} + +TEST(PairTest, Typing) { + // Test verifies the following type conversions can be compiled. + Matcher<const pair<const char*, int>&> m1 = Pair("foo", 42); + Matcher<const pair<const char*, int>> m2 = Pair("foo", 42); + Matcher<pair<const char*, int>> m3 = Pair("foo", 42); + + Matcher<pair<int, const std::string>> m4 = Pair(25, "42"); + Matcher<pair<const std::string, int>> m5 = Pair("25", 42); +} + +TEST(PairTest, CanDescribeSelf) { + Matcher<const pair<std::string, int>&> m1 = Pair("foo", 42); + EXPECT_EQ( + "has a first field that is equal to \"foo\"" + ", and has a second field that is equal to 42", + Describe(m1)); + EXPECT_EQ( + "has a first field that isn't equal to \"foo\"" + ", or has a second field that isn't equal to 42", + DescribeNegation(m1)); + // Double and triple negation (1 or 2 times not and description of negation). + Matcher<const pair<int, int>&> m2 = Not(Pair(Not(13), 42)); + EXPECT_EQ( + "has a first field that isn't equal to 13" + ", and has a second field that is equal to 42", + DescribeNegation(m2)); +} + +TEST_P(PairTestP, CanExplainMatchResultTo) { + // If neither field matches, Pair() should explain about the first + // field. + const Matcher<pair<int, int>> m = Pair(GreaterThan(0), GreaterThan(0)); + EXPECT_EQ("whose first field does not match, which is 1 less than 0", + Explain(m, make_pair(-1, -2))); + + // If the first field matches but the second doesn't, Pair() should + // explain about the second field. + EXPECT_EQ("whose second field does not match, which is 2 less than 0", + Explain(m, make_pair(1, -2))); + + // If the first field doesn't match but the second does, Pair() + // should explain about the first field. + EXPECT_EQ("whose first field does not match, which is 1 less than 0", + Explain(m, make_pair(-1, 2))); + + // If both fields match, Pair() should explain about them both. + EXPECT_EQ( + "whose both fields match, where the first field is a value " + "which is 1 more than 0, and the second field is a value " + "which is 2 more than 0", + Explain(m, make_pair(1, 2))); + + // If only the first match has an explanation, only this explanation should + // be printed. + const Matcher<pair<int, int>> explain_first = Pair(GreaterThan(0), 0); + EXPECT_EQ( + "whose both fields match, where the first field is a value " + "which is 1 more than 0", + Explain(explain_first, make_pair(1, 0))); + + // If only the second match has an explanation, only this explanation should + // be printed. + const Matcher<pair<int, int>> explain_second = Pair(0, GreaterThan(0)); + EXPECT_EQ( + "whose both fields match, where the second field is a value " + "which is 1 more than 0", + Explain(explain_second, make_pair(0, 1))); +} + +TEST(PairTest, MatchesCorrectly) { + pair<int, std::string> p(25, "foo"); + + // Both fields match. + EXPECT_THAT(p, Pair(25, "foo")); + EXPECT_THAT(p, Pair(Ge(20), HasSubstr("o"))); + + // 'first' doesn't match, but 'second' matches. + EXPECT_THAT(p, Not(Pair(42, "foo"))); + EXPECT_THAT(p, Not(Pair(Lt(25), "foo"))); + + // 'first' matches, but 'second' doesn't match. + EXPECT_THAT(p, Not(Pair(25, "bar"))); + EXPECT_THAT(p, Not(Pair(25, Not("foo")))); + + // Neither field matches. + EXPECT_THAT(p, Not(Pair(13, "bar"))); + EXPECT_THAT(p, Not(Pair(Lt(13), HasSubstr("a")))); +} + +TEST(PairTest, WorksWithMoveOnly) { + pair<std::unique_ptr<int>, std::unique_ptr<int>> p; + p.second = std::make_unique<int>(7); + EXPECT_THAT(p, Pair(Eq(nullptr), Ne(nullptr))); +} + +TEST(PairTest, SafelyCastsInnerMatchers) { + Matcher<int> is_positive = Gt(0); + Matcher<int> is_negative = Lt(0); + pair<char, bool> p('a', true); + EXPECT_THAT(p, Pair(is_positive, _)); + EXPECT_THAT(p, Not(Pair(is_negative, _))); + EXPECT_THAT(p, Pair(_, is_positive)); + EXPECT_THAT(p, Not(Pair(_, is_negative))); +} + +TEST(PairTest, InsideContainsUsingMap) { + map<int, char> container; + container.insert(make_pair(1, 'a')); + container.insert(make_pair(2, 'b')); + container.insert(make_pair(4, 'c')); + EXPECT_THAT(container, Contains(Pair(1, 'a'))); + EXPECT_THAT(container, Contains(Pair(1, _))); + EXPECT_THAT(container, Contains(Pair(_, 'a'))); + EXPECT_THAT(container, Not(Contains(Pair(3, _)))); +} + +INSTANTIATE_GTEST_MATCHER_TEST_P(FieldsAreTest); + +TEST(FieldsAreTest, MatchesCorrectly) { + std::tuple<int, std::string, double> p(25, "foo", .5); + + // All fields match. + EXPECT_THAT(p, FieldsAre(25, "foo", .5)); + EXPECT_THAT(p, FieldsAre(Ge(20), HasSubstr("o"), DoubleEq(.5))); + + // Some don't match. + EXPECT_THAT(p, Not(FieldsAre(26, "foo", .5))); + EXPECT_THAT(p, Not(FieldsAre(25, "fo", .5))); + EXPECT_THAT(p, Not(FieldsAre(25, "foo", .6))); +} + +TEST(FieldsAreTest, CanDescribeSelf) { + Matcher<const pair<std::string, int>&> m1 = FieldsAre("foo", 42); + EXPECT_EQ( + "has field #0 that is equal to \"foo\"" + ", and has field #1 that is equal to 42", + Describe(m1)); + EXPECT_EQ( + "has field #0 that isn't equal to \"foo\"" + ", or has field #1 that isn't equal to 42", + DescribeNegation(m1)); +} + +TEST_P(FieldsAreTestP, CanExplainMatchResultTo) { + // The first one that fails is the one that gives the error. + Matcher<std::tuple<int, int, int>> m = + FieldsAre(GreaterThan(0), GreaterThan(0), GreaterThan(0)); + + EXPECT_EQ("whose field #0 does not match, which is 1 less than 0", + Explain(m, std::make_tuple(-1, -2, -3))); + EXPECT_EQ("whose field #1 does not match, which is 2 less than 0", + Explain(m, std::make_tuple(1, -2, -3))); + EXPECT_EQ("whose field #2 does not match, which is 3 less than 0", + Explain(m, std::make_tuple(1, 2, -3))); + + // If they all match, we get a long explanation of success. + EXPECT_EQ( + "whose all elements match, " + "where field #0 is a value which is 1 more than 0" + ", and field #1 is a value which is 2 more than 0" + ", and field #2 is a value which is 3 more than 0", + Explain(m, std::make_tuple(1, 2, 3))); + + // Only print those that have an explanation. + m = FieldsAre(GreaterThan(0), 0, GreaterThan(0)); + EXPECT_EQ( + "whose all elements match, " + "where field #0 is a value which is 1 more than 0" + ", and field #2 is a value which is 3 more than 0", + Explain(m, std::make_tuple(1, 0, 3))); + + // If only one has an explanation, then print that one. + m = FieldsAre(0, GreaterThan(0), 0); + EXPECT_EQ( + "whose all elements match, " + "where field #1 is a value which is 1 more than 0", + Explain(m, std::make_tuple(0, 1, 0))); +} + +#if defined(__cpp_structured_bindings) && __cpp_structured_bindings >= 201606 +TEST(FieldsAreTest, StructuredBindings) { + // testing::FieldsAre can also match aggregates and such with C++17 and up. + struct MyType { + int i; + std::string str; + }; + EXPECT_THAT((MyType{17, "foo"}), FieldsAre(Eq(17), HasSubstr("oo"))); + + // Test all the supported arities. + struct MyVarType1 { + int a; + }; + EXPECT_THAT(MyVarType1{}, FieldsAre(0)); + struct MyVarType2 { + int a, b; + }; + EXPECT_THAT(MyVarType2{}, FieldsAre(0, 0)); + struct MyVarType3 { + int a, b, c; + }; + EXPECT_THAT(MyVarType3{}, FieldsAre(0, 0, 0)); + struct MyVarType4 { + int a, b, c, d; + }; + EXPECT_THAT(MyVarType4{}, FieldsAre(0, 0, 0, 0)); + struct MyVarType5 { + int a, b, c, d, e; + }; + EXPECT_THAT(MyVarType5{}, FieldsAre(0, 0, 0, 0, 0)); + struct MyVarType6 { + int a, b, c, d, e, f; + }; + EXPECT_THAT(MyVarType6{}, FieldsAre(0, 0, 0, 0, 0, 0)); + struct MyVarType7 { + int a, b, c, d, e, f, g; + }; + EXPECT_THAT(MyVarType7{}, FieldsAre(0, 0, 0, 0, 0, 0, 0)); + struct MyVarType8 { + int a, b, c, d, e, f, g, h; + }; + EXPECT_THAT(MyVarType8{}, FieldsAre(0, 0, 0, 0, 0, 0, 0, 0)); + struct MyVarType9 { + int a, b, c, d, e, f, g, h, i; + }; + EXPECT_THAT(MyVarType9{}, FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0)); + struct MyVarType10 { + int a, b, c, d, e, f, g, h, i, j; + }; + EXPECT_THAT(MyVarType10{}, FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0)); + struct MyVarType11 { + int a, b, c, d, e, f, g, h, i, j, k; + }; + EXPECT_THAT(MyVarType11{}, FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)); + struct MyVarType12 { + int a, b, c, d, e, f, g, h, i, j, k, l; + }; + EXPECT_THAT(MyVarType12{}, FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)); + struct MyVarType13 { + int a, b, c, d, e, f, g, h, i, j, k, l, m; + }; + EXPECT_THAT(MyVarType13{}, FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)); + struct MyVarType14 { + int a, b, c, d, e, f, g, h, i, j, k, l, m, n; + }; + EXPECT_THAT(MyVarType14{}, + FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)); + struct MyVarType15 { + int a, b, c, d, e, f, g, h, i, j, k, l, m, n, o; + }; + EXPECT_THAT(MyVarType15{}, + FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)); + struct MyVarType16 { + int a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p; + }; + EXPECT_THAT(MyVarType16{}, + FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)); + struct MyVarType17 { + int a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q; + }; + EXPECT_THAT(MyVarType17{}, + FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)); + struct MyVarType18 { + int a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r; + }; + EXPECT_THAT(MyVarType18{}, + FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)); + struct MyVarType19 { + int a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s; + }; + EXPECT_THAT(MyVarType19{}, FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0)); +} +#endif + +TEST(PairTest, UseGetInsteadOfMembers) { + PairWithGet pair{7, "ABC"}; + EXPECT_THAT(pair, Pair(7, "ABC")); + EXPECT_THAT(pair, Pair(Ge(7), HasSubstr("AB"))); + EXPECT_THAT(pair, Not(Pair(Lt(7), "ABC"))); + + std::vector<PairWithGet> v = {{11, "Foo"}, {29, "gMockIsBestMock"}}; + EXPECT_THAT(v, + ElementsAre(Pair(11, std::string("Foo")), Pair(Ge(10), Not("")))); +} + +// Tests StartsWith(s). + +TEST(StartsWithTest, MatchesStringWithGivenPrefix) { + const Matcher<const char*> m1 = StartsWith(std::string("")); + EXPECT_TRUE(m1.Matches("Hi")); + EXPECT_TRUE(m1.Matches("")); + EXPECT_FALSE(m1.Matches(nullptr)); + + const Matcher<const std::string&> m2 = StartsWith("Hi"); + EXPECT_TRUE(m2.Matches("Hi")); + EXPECT_TRUE(m2.Matches("Hi Hi!")); + EXPECT_TRUE(m2.Matches("High")); + EXPECT_FALSE(m2.Matches("H")); + EXPECT_FALSE(m2.Matches(" Hi")); + +#if GTEST_INTERNAL_HAS_STRING_VIEW + const Matcher<internal::StringView> m_empty = + StartsWith(internal::StringView("")); + EXPECT_TRUE(m_empty.Matches(internal::StringView())); + EXPECT_TRUE(m_empty.Matches(internal::StringView(""))); + EXPECT_TRUE(m_empty.Matches(internal::StringView("not empty"))); +#endif // GTEST_INTERNAL_HAS_STRING_VIEW +} + +TEST(StartsWithTest, CanDescribeSelf) { + Matcher<const std::string> m = StartsWith("Hi"); + EXPECT_EQ("starts with \"Hi\"", Describe(m)); +} + +// Tests EndsWith(s). + +TEST(EndsWithTest, MatchesStringWithGivenSuffix) { + const Matcher<const char*> m1 = EndsWith(""); + EXPECT_TRUE(m1.Matches("Hi")); + EXPECT_TRUE(m1.Matches("")); + EXPECT_FALSE(m1.Matches(nullptr)); + + const Matcher<const std::string&> m2 = EndsWith(std::string("Hi")); + EXPECT_TRUE(m2.Matches("Hi")); + EXPECT_TRUE(m2.Matches("Wow Hi Hi")); + EXPECT_TRUE(m2.Matches("Super Hi")); + EXPECT_FALSE(m2.Matches("i")); + EXPECT_FALSE(m2.Matches("Hi ")); + +#if GTEST_INTERNAL_HAS_STRING_VIEW + const Matcher<const internal::StringView&> m4 = + EndsWith(internal::StringView("")); + EXPECT_TRUE(m4.Matches("Hi")); + EXPECT_TRUE(m4.Matches("")); + EXPECT_TRUE(m4.Matches(internal::StringView())); + EXPECT_TRUE(m4.Matches(internal::StringView(""))); +#endif // GTEST_INTERNAL_HAS_STRING_VIEW +} + +TEST(EndsWithTest, CanDescribeSelf) { + Matcher<const std::string> m = EndsWith("Hi"); + EXPECT_EQ("ends with \"Hi\"", Describe(m)); +} + +// Tests WhenBase64Unescaped. + +TEST(WhenBase64UnescapedTest, MatchesUnescapedBase64Strings) { + const Matcher<const char*> m1 = WhenBase64Unescaped(EndsWith("!")); + EXPECT_FALSE(m1.Matches("invalid base64")); + EXPECT_FALSE(m1.Matches("aGVsbG8gd29ybGQ=")); // hello world + EXPECT_TRUE(m1.Matches("aGVsbG8gd29ybGQh")); // hello world! + EXPECT_TRUE(m1.Matches("+/-_IQ")); // \xfb\xff\xbf! + + const Matcher<const std::string&> m2 = WhenBase64Unescaped(EndsWith("!")); + EXPECT_FALSE(m2.Matches("invalid base64")); + EXPECT_FALSE(m2.Matches("aGVsbG8gd29ybGQ=")); // hello world + EXPECT_TRUE(m2.Matches("aGVsbG8gd29ybGQh")); // hello world! + EXPECT_TRUE(m2.Matches("+/-_IQ")); // \xfb\xff\xbf! + +#if GTEST_INTERNAL_HAS_STRING_VIEW + const Matcher<const internal::StringView&> m3 = + WhenBase64Unescaped(EndsWith("!")); + EXPECT_FALSE(m3.Matches("invalid base64")); + EXPECT_FALSE(m3.Matches("aGVsbG8gd29ybGQ=")); // hello world + EXPECT_TRUE(m3.Matches("aGVsbG8gd29ybGQh")); // hello world! + EXPECT_TRUE(m3.Matches("+/-_IQ")); // \xfb\xff\xbf! +#endif // GTEST_INTERNAL_HAS_STRING_VIEW +} + +TEST(WhenBase64UnescapedTest, CanDescribeSelf) { + const Matcher<const char*> m = WhenBase64Unescaped(EndsWith("!")); + EXPECT_EQ("matches after Base64Unescape ends with \"!\"", Describe(m)); +} + +// Tests MatchesRegex(). + +TEST(MatchesRegexTest, MatchesStringMatchingGivenRegex) { + const Matcher<const char*> m1 = MatchesRegex("a.*z"); + EXPECT_TRUE(m1.Matches("az")); + EXPECT_TRUE(m1.Matches("abcz")); + EXPECT_FALSE(m1.Matches(nullptr)); + + const Matcher<const std::string&> m2 = MatchesRegex(new RE("a.*z")); + EXPECT_TRUE(m2.Matches("azbz")); + EXPECT_FALSE(m2.Matches("az1")); + EXPECT_FALSE(m2.Matches("1az")); + +#if GTEST_INTERNAL_HAS_STRING_VIEW + const Matcher<const internal::StringView&> m3 = MatchesRegex("a.*z"); + EXPECT_TRUE(m3.Matches(internal::StringView("az"))); + EXPECT_TRUE(m3.Matches(internal::StringView("abcz"))); + EXPECT_FALSE(m3.Matches(internal::StringView("1az"))); + EXPECT_FALSE(m3.Matches(internal::StringView())); + const Matcher<const internal::StringView&> m4 = + MatchesRegex(internal::StringView("")); + EXPECT_TRUE(m4.Matches(internal::StringView(""))); + EXPECT_TRUE(m4.Matches(internal::StringView())); +#endif // GTEST_INTERNAL_HAS_STRING_VIEW +} + +TEST(MatchesRegexTest, CanDescribeSelf) { + Matcher<const std::string> m1 = MatchesRegex(std::string("Hi.*")); + EXPECT_EQ("matches regular expression \"Hi.*\"", Describe(m1)); + + Matcher<const char*> m2 = MatchesRegex(new RE("a.*")); + EXPECT_EQ("matches regular expression \"a.*\"", Describe(m2)); + +#if GTEST_INTERNAL_HAS_STRING_VIEW + Matcher<const internal::StringView> m3 = MatchesRegex(new RE("0.*")); + EXPECT_EQ("matches regular expression \"0.*\"", Describe(m3)); +#endif // GTEST_INTERNAL_HAS_STRING_VIEW +} + +// Tests ContainsRegex(). + +TEST(ContainsRegexTest, MatchesStringContainingGivenRegex) { + const Matcher<const char*> m1 = ContainsRegex(std::string("a.*z")); + EXPECT_TRUE(m1.Matches("az")); + EXPECT_TRUE(m1.Matches("0abcz1")); + EXPECT_FALSE(m1.Matches(nullptr)); + + const Matcher<const std::string&> m2 = ContainsRegex(new RE("a.*z")); + EXPECT_TRUE(m2.Matches("azbz")); + EXPECT_TRUE(m2.Matches("az1")); + EXPECT_FALSE(m2.Matches("1a")); + +#if GTEST_INTERNAL_HAS_STRING_VIEW + const Matcher<const internal::StringView&> m3 = ContainsRegex(new RE("a.*z")); + EXPECT_TRUE(m3.Matches(internal::StringView("azbz"))); + EXPECT_TRUE(m3.Matches(internal::StringView("az1"))); + EXPECT_FALSE(m3.Matches(internal::StringView("1a"))); + EXPECT_FALSE(m3.Matches(internal::StringView())); + const Matcher<const internal::StringView&> m4 = + ContainsRegex(internal::StringView("")); + EXPECT_TRUE(m4.Matches(internal::StringView(""))); + EXPECT_TRUE(m4.Matches(internal::StringView())); +#endif // GTEST_INTERNAL_HAS_STRING_VIEW +} + +TEST(ContainsRegexTest, CanDescribeSelf) { + Matcher<const std::string> m1 = ContainsRegex("Hi.*"); + EXPECT_EQ("contains regular expression \"Hi.*\"", Describe(m1)); + + Matcher<const char*> m2 = ContainsRegex(new RE("a.*")); + EXPECT_EQ("contains regular expression \"a.*\"", Describe(m2)); + +#if GTEST_INTERNAL_HAS_STRING_VIEW + Matcher<const internal::StringView> m3 = ContainsRegex(new RE("0.*")); + EXPECT_EQ("contains regular expression \"0.*\"", Describe(m3)); +#endif // GTEST_INTERNAL_HAS_STRING_VIEW +} + +// Tests for wide strings. +#if GTEST_HAS_STD_WSTRING +TEST(StdWideStrEqTest, MatchesEqual) { + Matcher<const wchar_t*> m = StrEq(::std::wstring(L"Hello")); + EXPECT_TRUE(m.Matches(L"Hello")); + EXPECT_FALSE(m.Matches(L"hello")); + EXPECT_FALSE(m.Matches(nullptr)); + + Matcher<const ::std::wstring&> m2 = StrEq(L"Hello"); + EXPECT_TRUE(m2.Matches(L"Hello")); + EXPECT_FALSE(m2.Matches(L"Hi")); + + Matcher<const ::std::wstring&> m3 = StrEq(L"\xD3\x576\x8D3\xC74D"); + EXPECT_TRUE(m3.Matches(L"\xD3\x576\x8D3\xC74D")); + EXPECT_FALSE(m3.Matches(L"\xD3\x576\x8D3\xC74E")); + + ::std::wstring str(L"01204500800"); + str[3] = L'\0'; + Matcher<const ::std::wstring&> m4 = StrEq(str); + EXPECT_TRUE(m4.Matches(str)); + str[0] = str[6] = str[7] = str[9] = str[10] = L'\0'; + Matcher<const ::std::wstring&> m5 = StrEq(str); + EXPECT_TRUE(m5.Matches(str)); +} + +TEST(StdWideStrEqTest, CanDescribeSelf) { + Matcher<::std::wstring> m = StrEq(L"Hi-\'\"?\\\a\b\f\n\r\t\v"); + EXPECT_EQ("is equal to L\"Hi-\'\\\"?\\\\\\a\\b\\f\\n\\r\\t\\v\"", + Describe(m)); + + Matcher<::std::wstring> m2 = StrEq(L"\xD3\x576\x8D3\xC74D"); + EXPECT_EQ("is equal to L\"\\xD3\\x576\\x8D3\\xC74D\"", Describe(m2)); + + ::std::wstring str(L"01204500800"); + str[3] = L'\0'; + Matcher<const ::std::wstring&> m4 = StrEq(str); + EXPECT_EQ("is equal to L\"012\\04500800\"", Describe(m4)); + str[0] = str[6] = str[7] = str[9] = str[10] = L'\0'; + Matcher<const ::std::wstring&> m5 = StrEq(str); + EXPECT_EQ("is equal to L\"\\012\\045\\0\\08\\0\\0\"", Describe(m5)); +} + +TEST(StdWideStrNeTest, MatchesUnequalString) { + Matcher<const wchar_t*> m = StrNe(L"Hello"); + EXPECT_TRUE(m.Matches(L"")); + EXPECT_TRUE(m.Matches(nullptr)); + EXPECT_FALSE(m.Matches(L"Hello")); + + Matcher<::std::wstring> m2 = StrNe(::std::wstring(L"Hello")); + EXPECT_TRUE(m2.Matches(L"hello")); + EXPECT_FALSE(m2.Matches(L"Hello")); +} + +TEST(StdWideStrNeTest, CanDescribeSelf) { + Matcher<const wchar_t*> m = StrNe(L"Hi"); + EXPECT_EQ("isn't equal to L\"Hi\"", Describe(m)); +} + +TEST(StdWideStrCaseEqTest, MatchesEqualStringIgnoringCase) { + Matcher<const wchar_t*> m = StrCaseEq(::std::wstring(L"Hello")); + EXPECT_TRUE(m.Matches(L"Hello")); + EXPECT_TRUE(m.Matches(L"hello")); + EXPECT_FALSE(m.Matches(L"Hi")); + EXPECT_FALSE(m.Matches(nullptr)); + + Matcher<const ::std::wstring&> m2 = StrCaseEq(L"Hello"); + EXPECT_TRUE(m2.Matches(L"hello")); + EXPECT_FALSE(m2.Matches(L"Hi")); +} + +TEST(StdWideStrCaseEqTest, MatchesEqualStringWith0IgnoringCase) { + ::std::wstring str1(L"oabocdooeoo"); + ::std::wstring str2(L"OABOCDOOEOO"); + Matcher<const ::std::wstring&> m0 = StrCaseEq(str1); + EXPECT_FALSE(m0.Matches(str2 + ::std::wstring(1, L'\0'))); + + str1[3] = str2[3] = L'\0'; + Matcher<const ::std::wstring&> m1 = StrCaseEq(str1); + EXPECT_TRUE(m1.Matches(str2)); + + str1[0] = str1[6] = str1[7] = str1[10] = L'\0'; + str2[0] = str2[6] = str2[7] = str2[10] = L'\0'; + Matcher<const ::std::wstring&> m2 = StrCaseEq(str1); + str1[9] = str2[9] = L'\0'; + EXPECT_FALSE(m2.Matches(str2)); + + Matcher<const ::std::wstring&> m3 = StrCaseEq(str1); + EXPECT_TRUE(m3.Matches(str2)); + + EXPECT_FALSE(m3.Matches(str2 + L"x")); + str2.append(1, L'\0'); + EXPECT_FALSE(m3.Matches(str2)); + EXPECT_FALSE(m3.Matches(::std::wstring(str2, 0, 9))); +} + +TEST(StdWideStrCaseEqTest, CanDescribeSelf) { + Matcher<::std::wstring> m = StrCaseEq(L"Hi"); + EXPECT_EQ("is equal to (ignoring case) L\"Hi\"", Describe(m)); +} + +TEST(StdWideStrCaseNeTest, MatchesUnequalStringIgnoringCase) { + Matcher<const wchar_t*> m = StrCaseNe(L"Hello"); + EXPECT_TRUE(m.Matches(L"Hi")); + EXPECT_TRUE(m.Matches(nullptr)); + EXPECT_FALSE(m.Matches(L"Hello")); + EXPECT_FALSE(m.Matches(L"hello")); + + Matcher<::std::wstring> m2 = StrCaseNe(::std::wstring(L"Hello")); + EXPECT_TRUE(m2.Matches(L"")); + EXPECT_FALSE(m2.Matches(L"Hello")); +} + +TEST(StdWideStrCaseNeTest, CanDescribeSelf) { + Matcher<const wchar_t*> m = StrCaseNe(L"Hi"); + EXPECT_EQ("isn't equal to (ignoring case) L\"Hi\"", Describe(m)); +} + +// Tests that HasSubstr() works for matching wstring-typed values. +TEST(StdWideHasSubstrTest, WorksForStringClasses) { + const Matcher<::std::wstring> m1 = HasSubstr(L"foo"); + EXPECT_TRUE(m1.Matches(::std::wstring(L"I love food."))); + EXPECT_FALSE(m1.Matches(::std::wstring(L"tofo"))); + + const Matcher<const ::std::wstring&> m2 = HasSubstr(L"foo"); + EXPECT_TRUE(m2.Matches(::std::wstring(L"I love food."))); + EXPECT_FALSE(m2.Matches(::std::wstring(L"tofo"))); +} + +// Tests that HasSubstr() works for matching C-wide-string-typed values. +TEST(StdWideHasSubstrTest, WorksForCStrings) { + const Matcher<wchar_t*> m1 = HasSubstr(L"foo"); + EXPECT_TRUE(m1.Matches(const_cast<wchar_t*>(L"I love food."))); + EXPECT_FALSE(m1.Matches(const_cast<wchar_t*>(L"tofo"))); + EXPECT_FALSE(m1.Matches(nullptr)); + + const Matcher<const wchar_t*> m2 = HasSubstr(L"foo"); + EXPECT_TRUE(m2.Matches(L"I love food.")); + EXPECT_FALSE(m2.Matches(L"tofo")); + EXPECT_FALSE(m2.Matches(nullptr)); +} + +// Tests that HasSubstr(s) describes itself properly. +TEST(StdWideHasSubstrTest, CanDescribeSelf) { + Matcher<::std::wstring> m = HasSubstr(L"foo\n\""); + EXPECT_EQ("has substring L\"foo\\n\\\"\"", Describe(m)); +} + +// Tests StartsWith(s). + +TEST(StdWideStartsWithTest, MatchesStringWithGivenPrefix) { + const Matcher<const wchar_t*> m1 = StartsWith(::std::wstring(L"")); + EXPECT_TRUE(m1.Matches(L"Hi")); + EXPECT_TRUE(m1.Matches(L"")); + EXPECT_FALSE(m1.Matches(nullptr)); + + const Matcher<const ::std::wstring&> m2 = StartsWith(L"Hi"); + EXPECT_TRUE(m2.Matches(L"Hi")); + EXPECT_TRUE(m2.Matches(L"Hi Hi!")); + EXPECT_TRUE(m2.Matches(L"High")); + EXPECT_FALSE(m2.Matches(L"H")); + EXPECT_FALSE(m2.Matches(L" Hi")); +} + +TEST(StdWideStartsWithTest, CanDescribeSelf) { + Matcher<const ::std::wstring> m = StartsWith(L"Hi"); + EXPECT_EQ("starts with L\"Hi\"", Describe(m)); +} + +// Tests EndsWith(s). + +TEST(StdWideEndsWithTest, MatchesStringWithGivenSuffix) { + const Matcher<const wchar_t*> m1 = EndsWith(L""); + EXPECT_TRUE(m1.Matches(L"Hi")); + EXPECT_TRUE(m1.Matches(L"")); + EXPECT_FALSE(m1.Matches(nullptr)); + + const Matcher<const ::std::wstring&> m2 = EndsWith(::std::wstring(L"Hi")); + EXPECT_TRUE(m2.Matches(L"Hi")); + EXPECT_TRUE(m2.Matches(L"Wow Hi Hi")); + EXPECT_TRUE(m2.Matches(L"Super Hi")); + EXPECT_FALSE(m2.Matches(L"i")); + EXPECT_FALSE(m2.Matches(L"Hi ")); +} + +TEST(StdWideEndsWithTest, CanDescribeSelf) { + Matcher<const ::std::wstring> m = EndsWith(L"Hi"); + EXPECT_EQ("ends with L\"Hi\"", Describe(m)); +} + +#endif // GTEST_HAS_STD_WSTRING + +TEST(ExplainMatchResultTest, WorksWithPolymorphicMatcher) { + StringMatchResultListener listener1; + EXPECT_TRUE(ExplainMatchResult(PolymorphicIsEven(), 42, &listener1)); + EXPECT_EQ("% 2 == 0", listener1.str()); + + StringMatchResultListener listener2; + EXPECT_FALSE(ExplainMatchResult(Ge(42), 1.5, &listener2)); + EXPECT_EQ("", listener2.str()); +} + +TEST(ExplainMatchResultTest, WorksWithMonomorphicMatcher) { + const Matcher<int> is_even = PolymorphicIsEven(); + StringMatchResultListener listener1; + EXPECT_TRUE(ExplainMatchResult(is_even, 42, &listener1)); + EXPECT_EQ("% 2 == 0", listener1.str()); + + const Matcher<const double&> is_zero = Eq(0); + StringMatchResultListener listener2; + EXPECT_FALSE(ExplainMatchResult(is_zero, 1.5, &listener2)); + EXPECT_EQ("", listener2.str()); +} + +MATCHER(ConstructNoArg, "") { return true; } +MATCHER_P(Construct1Arg, arg1, "") { return true; } +MATCHER_P2(Construct2Args, arg1, arg2, "") { return true; } + +TEST(MatcherConstruct, ExplicitVsImplicit) { + { + // No arg constructor can be constructed with empty brace. + ConstructNoArgMatcher m = {}; + (void)m; + // And with no args + ConstructNoArgMatcher m2; + (void)m2; + } + { + // The one arg constructor has an explicit constructor. + // This is to prevent the implicit conversion. + using M = Construct1ArgMatcherP<int>; + EXPECT_TRUE((std::is_constructible<M, int>::value)); + EXPECT_FALSE((std::is_convertible<int, M>::value)); + } + { + // Multiple arg matchers can be constructed with an implicit construction. + Construct2ArgsMatcherP2<int, double> m = {1, 2.2}; + (void)m; + } +} + +MATCHER_P(Really, inner_matcher, "") { + return ExplainMatchResult(inner_matcher, arg, result_listener); +} + +TEST(ExplainMatchResultTest, WorksInsideMATCHER) { + EXPECT_THAT(0, Really(Eq(0))); +} + +TEST(DescribeMatcherTest, WorksWithValue) { + EXPECT_EQ("is equal to 42", DescribeMatcher<int>(42)); + EXPECT_EQ("isn't equal to 42", DescribeMatcher<int>(42, true)); +} + +TEST(DescribeMatcherTest, WorksWithMonomorphicMatcher) { + const Matcher<int> monomorphic = Le(0); + EXPECT_EQ("is <= 0", DescribeMatcher<int>(monomorphic)); + EXPECT_EQ("isn't <= 0", DescribeMatcher<int>(monomorphic, true)); +} + +TEST(DescribeMatcherTest, WorksWithPolymorphicMatcher) { + EXPECT_EQ("is even", DescribeMatcher<int>(PolymorphicIsEven())); + EXPECT_EQ("is odd", DescribeMatcher<int>(PolymorphicIsEven(), true)); +} + +MATCHER_P(FieldIIs, inner_matcher, "") { + return ExplainMatchResult(inner_matcher, arg.i, result_listener); +} + +#if GTEST_HAS_RTTI +TEST(WhenDynamicCastToTest, SameType) { + Derived derived; + derived.i = 4; + + // Right type. A pointer is passed down. + Base* as_base_ptr = &derived; + EXPECT_THAT(as_base_ptr, WhenDynamicCastTo<Derived*>(Not(IsNull()))); + EXPECT_THAT(as_base_ptr, WhenDynamicCastTo<Derived*>(Pointee(FieldIIs(4)))); + EXPECT_THAT(as_base_ptr, + Not(WhenDynamicCastTo<Derived*>(Pointee(FieldIIs(5))))); +} + +TEST(WhenDynamicCastToTest, WrongTypes) { + Base base; + Derived derived; + OtherDerived other_derived; + + // Wrong types. NULL is passed. + EXPECT_THAT(&base, Not(WhenDynamicCastTo<Derived*>(Pointee(_)))); + EXPECT_THAT(&base, WhenDynamicCastTo<Derived*>(IsNull())); + Base* as_base_ptr = &derived; + EXPECT_THAT(as_base_ptr, Not(WhenDynamicCastTo<OtherDerived*>(Pointee(_)))); + EXPECT_THAT(as_base_ptr, WhenDynamicCastTo<OtherDerived*>(IsNull())); + as_base_ptr = &other_derived; + EXPECT_THAT(as_base_ptr, Not(WhenDynamicCastTo<Derived*>(Pointee(_)))); + EXPECT_THAT(as_base_ptr, WhenDynamicCastTo<Derived*>(IsNull())); +} + +TEST(WhenDynamicCastToTest, AlreadyNull) { + // Already NULL. + Base* as_base_ptr = nullptr; + EXPECT_THAT(as_base_ptr, WhenDynamicCastTo<Derived*>(IsNull())); +} + +struct AmbiguousCastTypes { + class VirtualDerived : public virtual Base {}; + class DerivedSub1 : public VirtualDerived {}; + class DerivedSub2 : public VirtualDerived {}; + class ManyDerivedInHierarchy : public DerivedSub1, public DerivedSub2 {}; +}; + +TEST(WhenDynamicCastToTest, AmbiguousCast) { + AmbiguousCastTypes::DerivedSub1 sub1; + AmbiguousCastTypes::ManyDerivedInHierarchy many_derived; + // Multiply derived from Base. dynamic_cast<> returns NULL. + Base* as_base_ptr = + static_cast<AmbiguousCastTypes::DerivedSub1*>(&many_derived); + EXPECT_THAT(as_base_ptr, + WhenDynamicCastTo<AmbiguousCastTypes::VirtualDerived*>(IsNull())); + as_base_ptr = &sub1; + EXPECT_THAT( + as_base_ptr, + WhenDynamicCastTo<AmbiguousCastTypes::VirtualDerived*>(Not(IsNull()))); +} + +TEST(WhenDynamicCastToTest, Describe) { + Matcher<Base*> matcher = WhenDynamicCastTo<Derived*>(Pointee(_)); + const std::string prefix = + "when dynamic_cast to " + internal::GetTypeName<Derived*>() + ", "; + EXPECT_EQ(prefix + "points to a value that is anything", Describe(matcher)); + EXPECT_EQ(prefix + "does not point to a value that is anything", + DescribeNegation(matcher)); +} + +TEST(WhenDynamicCastToTest, Explain) { + Matcher<Base*> matcher = WhenDynamicCastTo<Derived*>(Pointee(_)); + Base* null = nullptr; + EXPECT_THAT(Explain(matcher, null), HasSubstr("NULL")); + Derived derived; + EXPECT_TRUE(matcher.Matches(&derived)); + EXPECT_THAT(Explain(matcher, &derived), HasSubstr("which points to ")); + + // With references, the matcher itself can fail. Test for that one. + Matcher<const Base&> ref_matcher = WhenDynamicCastTo<const OtherDerived&>(_); + EXPECT_THAT(Explain(ref_matcher, derived), + HasSubstr("which cannot be dynamic_cast")); +} + +TEST(WhenDynamicCastToTest, GoodReference) { + Derived derived; + derived.i = 4; + Base& as_base_ref = derived; + EXPECT_THAT(as_base_ref, WhenDynamicCastTo<const Derived&>(FieldIIs(4))); + EXPECT_THAT(as_base_ref, WhenDynamicCastTo<const Derived&>(Not(FieldIIs(5)))); +} + +TEST(WhenDynamicCastToTest, BadReference) { + Derived derived; + Base& as_base_ref = derived; + EXPECT_THAT(as_base_ref, Not(WhenDynamicCastTo<const OtherDerived&>(_))); +} +#endif // GTEST_HAS_RTTI + +class DivisibleByImpl { + public: + explicit DivisibleByImpl(int a_divider) : divider_(a_divider) {} + + // For testing using ExplainMatchResultTo() with polymorphic matchers. + template <typename T> + bool MatchAndExplain(const T& n, MatchResultListener* listener) const { + *listener << "which is " << (n % divider_) << " modulo " << divider_; + return (n % divider_) == 0; + } + + void DescribeTo(ostream* os) const { *os << "is divisible by " << divider_; } + + void DescribeNegationTo(ostream* os) const { + *os << "is not divisible by " << divider_; + } + + void set_divider(int a_divider) { divider_ = a_divider; } + int divider() const { return divider_; } + + private: + int divider_; +}; + +PolymorphicMatcher<DivisibleByImpl> DivisibleBy(int n) { + return MakePolymorphicMatcher(DivisibleByImpl(n)); +} + +// Tests that when AllOf() fails, only the first failing matcher is +// asked to explain why. +TEST(ExplainMatchResultTest, AllOf_False_False) { + const Matcher<int> m = AllOf(DivisibleBy(4), DivisibleBy(3)); + EXPECT_EQ("which is 1 modulo 4", Explain(m, 5)); +} + +// Tests that when AllOf() fails, only the first failing matcher is +// asked to explain why. +TEST(ExplainMatchResultTest, AllOf_False_True) { + const Matcher<int> m = AllOf(DivisibleBy(4), DivisibleBy(3)); + EXPECT_EQ("which is 2 modulo 4", Explain(m, 6)); +} + +// Tests that when AllOf() fails, only the first failing matcher is +// asked to explain why. +TEST(ExplainMatchResultTest, AllOf_True_False) { + const Matcher<int> m = AllOf(Ge(1), DivisibleBy(3)); + EXPECT_EQ("which is 2 modulo 3", Explain(m, 5)); +} + +// Tests that when AllOf() succeeds, all matchers are asked to explain +// why. +TEST(ExplainMatchResultTest, AllOf_True_True) { + const Matcher<int> m = AllOf(DivisibleBy(2), DivisibleBy(3)); + EXPECT_EQ("which is 0 modulo 2, and which is 0 modulo 3", Explain(m, 6)); +} + +TEST(ExplainMatchResultTest, AllOf_True_True_2) { + const Matcher<int> m = AllOf(Ge(2), Le(3)); + EXPECT_EQ("", Explain(m, 2)); +} + +INSTANTIATE_GTEST_MATCHER_TEST_P(ExplainmatcherResultTest); + +TEST_P(ExplainmatcherResultTestP, MonomorphicMatcher) { + const Matcher<int> m = GreaterThan(5); + EXPECT_EQ("which is 1 more than 5", Explain(m, 6)); +} + +// Tests PolymorphicMatcher::mutable_impl(). +TEST(PolymorphicMatcherTest, CanAccessMutableImpl) { + PolymorphicMatcher<DivisibleByImpl> m(DivisibleByImpl(42)); + DivisibleByImpl& impl = m.mutable_impl(); + EXPECT_EQ(42, impl.divider()); + + impl.set_divider(0); + EXPECT_EQ(0, m.mutable_impl().divider()); +} + +// Tests PolymorphicMatcher::impl(). +TEST(PolymorphicMatcherTest, CanAccessImpl) { + const PolymorphicMatcher<DivisibleByImpl> m(DivisibleByImpl(42)); + const DivisibleByImpl& impl = m.impl(); + EXPECT_EQ(42, impl.divider()); +} + +} // namespace +} // namespace gmock_matchers_test +} // namespace testing + +GTEST_DISABLE_MSC_WARNINGS_POP_() // 4244 4100 diff --git a/googlemock/test/gmock-matchers-containers_test.cc b/googlemock/test/gmock-matchers-containers_test.cc new file mode 100644 index 000000000000..38fd9a5dd76f --- /dev/null +++ b/googlemock/test/gmock-matchers-containers_test.cc @@ -0,0 +1,3137 @@ +// Copyright 2007, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Google Mock - a framework for writing C++ mock classes. +// +// This file tests some commonly used argument matchers. + +#include <algorithm> +#include <array> +#include <deque> +#include <forward_list> +#include <iterator> +#include <list> +#include <memory> +#include <ostream> +#include <string> +#include <tuple> +#include <vector> + +#include "gtest/gtest.h" + +// Silence warning C4244: 'initializing': conversion from 'int' to 'short', +// possible loss of data and C4100, unreferenced local parameter +GTEST_DISABLE_MSC_WARNINGS_PUSH_(4244 4100) + +#include "test/gmock-matchers_test.h" + +namespace testing { +namespace gmock_matchers_test { +namespace { + +std::vector<std::unique_ptr<int>> MakeUniquePtrs(const std::vector<int>& ints) { + std::vector<std::unique_ptr<int>> pointers; + for (int i : ints) pointers.emplace_back(new int(i)); + return pointers; +} + +std::string OfType(const std::string& type_name) { +#if GTEST_HAS_RTTI + return IsReadableTypeName(type_name) ? " (of type " + type_name + ")" : ""; +#else + return ""; +#endif +} + +TEST(ContainsTest, WorksWithMoveOnly) { + ContainerHelper helper; + EXPECT_CALL(helper, Call(Contains(Pointee(2)))); + helper.Call(MakeUniquePtrs({1, 2})); +} + +INSTANTIATE_GTEST_MATCHER_TEST_P(ElementsAreTest); + +// Tests the variadic version of the ElementsAreMatcher +TEST(ElementsAreTest, HugeMatcher) { + vector<int> test_vector{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}; + + EXPECT_THAT(test_vector, + ElementsAre(Eq(1), Eq(2), Lt(13), Eq(4), Eq(5), Eq(6), Eq(7), + Eq(8), Eq(9), Eq(10), Gt(1), Eq(12))); +} + +// Tests the variadic version of the UnorderedElementsAreMatcher +TEST(ElementsAreTest, HugeMatcherStr) { + vector<std::string> test_vector{ + "literal_string", "", "", "", "", "", "", "", "", "", "", ""}; + + EXPECT_THAT(test_vector, UnorderedElementsAre("literal_string", _, _, _, _, _, + _, _, _, _, _, _)); +} + +// Tests the variadic version of the UnorderedElementsAreMatcher +TEST(ElementsAreTest, HugeMatcherUnordered) { + vector<int> test_vector{2, 1, 8, 5, 4, 6, 7, 3, 9, 12, 11, 10}; + + EXPECT_THAT(test_vector, UnorderedElementsAre( + Eq(2), Eq(1), Gt(7), Eq(5), Eq(4), Eq(6), Eq(7), + Eq(3), Eq(9), Eq(12), Eq(11), Ne(122))); +} + +// Tests that ASSERT_THAT() and EXPECT_THAT() work when the value +// matches the matcher. +TEST(MatcherAssertionTest, WorksWhenMatcherIsSatisfied) { + ASSERT_THAT(5, Ge(2)) << "This should succeed."; + ASSERT_THAT("Foo", EndsWith("oo")); + EXPECT_THAT(2, AllOf(Le(7), Ge(0))) << "This should succeed too."; + EXPECT_THAT("Hello", StartsWith("Hell")); +} + +// Tests that ASSERT_THAT() and EXPECT_THAT() work when the value +// doesn't match the matcher. +TEST(MatcherAssertionTest, WorksWhenMatcherIsNotSatisfied) { + // 'n' must be static as it is used in an EXPECT_FATAL_FAILURE(), + // which cannot reference auto variables. + static unsigned short n; // NOLINT + n = 5; + + EXPECT_FATAL_FAILURE(ASSERT_THAT(n, Gt(10)), + "Value of: n\n" + "Expected: is > 10\n" + " Actual: 5" + + OfType("unsigned short")); + n = 0; + EXPECT_NONFATAL_FAILURE(EXPECT_THAT(n, AllOf(Le(7), Ge(5))), + "Value of: n\n" + "Expected: (is <= 7) and (is >= 5)\n" + " Actual: 0" + + OfType("unsigned short")); +} + +// Tests that ASSERT_THAT() and EXPECT_THAT() work when the argument +// has a reference type. +TEST(MatcherAssertionTest, WorksForByRefArguments) { + // We use a static variable here as EXPECT_FATAL_FAILURE() cannot + // reference auto variables. + static int n; + n = 0; + EXPECT_THAT(n, AllOf(Le(7), Ref(n))); + EXPECT_FATAL_FAILURE(ASSERT_THAT(n, Not(Ref(n))), + "Value of: n\n" + "Expected: does not reference the variable @"); + // Tests the "Actual" part. + EXPECT_FATAL_FAILURE(ASSERT_THAT(n, Not(Ref(n))), + "Actual: 0" + OfType("int") + ", which is located @"); +} + +// Tests that ASSERT_THAT() and EXPECT_THAT() work when the matcher is +// monomorphic. +TEST(MatcherAssertionTest, WorksForMonomorphicMatcher) { + Matcher<const char*> starts_with_he = StartsWith("he"); + ASSERT_THAT("hello", starts_with_he); + + Matcher<const std::string&> ends_with_ok = EndsWith("ok"); + ASSERT_THAT("book", ends_with_ok); + const std::string bad = "bad"; + EXPECT_NONFATAL_FAILURE(EXPECT_THAT(bad, ends_with_ok), + "Value of: bad\n" + "Expected: ends with \"ok\"\n" + " Actual: \"bad\""); + Matcher<int> is_greater_than_5 = Gt(5); + EXPECT_NONFATAL_FAILURE(EXPECT_THAT(5, is_greater_than_5), + "Value of: 5\n" + "Expected: is > 5\n" + " Actual: 5" + + OfType("int")); +} + +TEST(PointeeTest, RawPointer) { + const Matcher<int*> m = Pointee(Ge(0)); + + int n = 1; + EXPECT_TRUE(m.Matches(&n)); + n = -1; + EXPECT_FALSE(m.Matches(&n)); + EXPECT_FALSE(m.Matches(nullptr)); +} + +TEST(PointeeTest, RawPointerToConst) { + const Matcher<const double*> m = Pointee(Ge(0)); + + double x = 1; + EXPECT_TRUE(m.Matches(&x)); + x = -1; + EXPECT_FALSE(m.Matches(&x)); + EXPECT_FALSE(m.Matches(nullptr)); +} + +TEST(PointeeTest, ReferenceToConstRawPointer) { + const Matcher<int* const&> m = Pointee(Ge(0)); + + int n = 1; + EXPECT_TRUE(m.Matches(&n)); + n = -1; + EXPECT_FALSE(m.Matches(&n)); + EXPECT_FALSE(m.Matches(nullptr)); +} + +TEST(PointeeTest, ReferenceToNonConstRawPointer) { + const Matcher<double*&> m = Pointee(Ge(0)); + + double x = 1.0; + double* p = &x; + EXPECT_TRUE(m.Matches(p)); + x = -1; + EXPECT_FALSE(m.Matches(p)); + p = nullptr; + EXPECT_FALSE(m.Matches(p)); +} + +TEST(PointeeTest, SmartPointer) { + const Matcher<std::unique_ptr<int>> m = Pointee(Ge(0)); + + std::unique_ptr<int> n(new int(1)); + EXPECT_TRUE(m.Matches(n)); +} + +TEST(PointeeTest, SmartPointerToConst) { + const Matcher<std::unique_ptr<const int>> m = Pointee(Ge(0)); + + // There's no implicit conversion from unique_ptr<int> to const + // unique_ptr<const int>, so we must pass a unique_ptr<const int> into the + // matcher. + std::unique_ptr<const int> n(new int(1)); + EXPECT_TRUE(m.Matches(n)); +} + +TEST(PointerTest, RawPointer) { + int n = 1; + const Matcher<int*> m = Pointer(Eq(&n)); + + EXPECT_TRUE(m.Matches(&n)); + + int* p = nullptr; + EXPECT_FALSE(m.Matches(p)); + EXPECT_FALSE(m.Matches(nullptr)); +} + +TEST(PointerTest, RawPointerToConst) { + int n = 1; + const Matcher<const int*> m = Pointer(Eq(&n)); + + EXPECT_TRUE(m.Matches(&n)); + + int* p = nullptr; + EXPECT_FALSE(m.Matches(p)); + EXPECT_FALSE(m.Matches(nullptr)); +} + +TEST(PointerTest, SmartPointer) { + std::unique_ptr<int> n(new int(10)); + int* raw_n = n.get(); + const Matcher<std::unique_ptr<int>> m = Pointer(Eq(raw_n)); + + EXPECT_TRUE(m.Matches(n)); +} + +TEST(PointerTest, SmartPointerToConst) { + std::unique_ptr<const int> n(new int(10)); + const int* raw_n = n.get(); + const Matcher<std::unique_ptr<const int>> m = Pointer(Eq(raw_n)); + + // There's no implicit conversion from unique_ptr<int> to const + // unique_ptr<const int>, so we must pass a unique_ptr<const int> into the + // matcher. + std::unique_ptr<const int> p(new int(10)); + EXPECT_FALSE(m.Matches(p)); +} + +// Minimal const-propagating pointer. +template <typename T> +class ConstPropagatingPtr { + public: + typedef T element_type; + + ConstPropagatingPtr() : val_() {} + explicit ConstPropagatingPtr(T* t) : val_(t) {} + ConstPropagatingPtr(const ConstPropagatingPtr& other) : val_(other.val_) {} + + T* get() { return val_; } + T& operator*() { return *val_; } + // Most smart pointers return non-const T* and T& from the next methods. + const T* get() const { return val_; } + const T& operator*() const { return *val_; } + + private: + T* val_; +}; + +INSTANTIATE_GTEST_MATCHER_TEST_P(PointeeTest); + +TEST(PointeeTest, WorksWithConstPropagatingPointers) { + const Matcher<ConstPropagatingPtr<int>> m = Pointee(Lt(5)); + int three = 3; + const ConstPropagatingPtr<int> co(&three); + ConstPropagatingPtr<int> o(&three); + EXPECT_TRUE(m.Matches(o)); + EXPECT_TRUE(m.Matches(co)); + *o = 6; + EXPECT_FALSE(m.Matches(o)); + EXPECT_FALSE(m.Matches(ConstPropagatingPtr<int>())); +} + +TEST(PointeeTest, NeverMatchesNull) { + const Matcher<const char*> m = Pointee(_); + EXPECT_FALSE(m.Matches(nullptr)); +} + +// Tests that we can write Pointee(value) instead of Pointee(Eq(value)). +TEST(PointeeTest, MatchesAgainstAValue) { + const Matcher<int*> m = Pointee(5); + + int n = 5; + EXPECT_TRUE(m.Matches(&n)); + n = -1; + EXPECT_FALSE(m.Matches(&n)); + EXPECT_FALSE(m.Matches(nullptr)); +} + +TEST(PointeeTest, CanDescribeSelf) { + const Matcher<int*> m = Pointee(Gt(3)); + EXPECT_EQ("points to a value that is > 3", Describe(m)); + EXPECT_EQ("does not point to a value that is > 3", DescribeNegation(m)); +} + +TEST_P(PointeeTestP, CanExplainMatchResult) { + const Matcher<const std::string*> m = Pointee(StartsWith("Hi")); + + EXPECT_EQ("", Explain(m, static_cast<const std::string*>(nullptr))); + + const Matcher<long*> m2 = Pointee(GreaterThan(1)); // NOLINT + long n = 3; // NOLINT + EXPECT_EQ("which points to 3" + OfType("long") + ", which is 2 more than 1", + Explain(m2, &n)); +} + +TEST(PointeeTest, AlwaysExplainsPointee) { + const Matcher<int*> m = Pointee(0); + int n = 42; + EXPECT_EQ("which points to 42" + OfType("int"), Explain(m, &n)); +} + +// An uncopyable class. +class Uncopyable { + public: + Uncopyable() : value_(-1) {} + explicit Uncopyable(int a_value) : value_(a_value) {} + + int value() const { return value_; } + void set_value(int i) { value_ = i; } + + private: + int value_; + Uncopyable(const Uncopyable&) = delete; + Uncopyable& operator=(const Uncopyable&) = delete; +}; + +// Returns true if and only if x.value() is positive. +bool ValueIsPositive(const Uncopyable& x) { return x.value() > 0; } + +MATCHER_P(UncopyableIs, inner_matcher, "") { + return ExplainMatchResult(inner_matcher, arg.value(), result_listener); +} + +// A user-defined struct for testing Field(). +struct AStruct { + AStruct() : x(0), y(1.0), z(5), p(nullptr) {} + AStruct(const AStruct& rhs) + : x(rhs.x), y(rhs.y), z(rhs.z.value()), p(rhs.p) {} + + int x; // A non-const field. + const double y; // A const field. + Uncopyable z; // An uncopyable field. + const char* p; // A pointer field. +}; + +// A derived struct for testing Field(). +struct DerivedStruct : public AStruct { + char ch; +}; + +INSTANTIATE_GTEST_MATCHER_TEST_P(FieldTest); + +// Tests that Field(&Foo::field, ...) works when field is non-const. +TEST(FieldTest, WorksForNonConstField) { + Matcher<AStruct> m = Field(&AStruct::x, Ge(0)); + Matcher<AStruct> m_with_name = Field("x", &AStruct::x, Ge(0)); + + AStruct a; + EXPECT_TRUE(m.Matches(a)); + EXPECT_TRUE(m_with_name.Matches(a)); + a.x = -1; + EXPECT_FALSE(m.Matches(a)); + EXPECT_FALSE(m_with_name.Matches(a)); +} + +// Tests that Field(&Foo::field, ...) works when field is const. +TEST(FieldTest, WorksForConstField) { + AStruct a; + + Matcher<AStruct> m = Field(&AStruct::y, Ge(0.0)); + Matcher<AStruct> m_with_name = Field("y", &AStruct::y, Ge(0.0)); + EXPECT_TRUE(m.Matches(a)); + EXPECT_TRUE(m_with_name.Matches(a)); + m = Field(&AStruct::y, Le(0.0)); + m_with_name = Field("y", &AStruct::y, Le(0.0)); + EXPECT_FALSE(m.Matches(a)); + EXPECT_FALSE(m_with_name.Matches(a)); +} + +// Tests that Field(&Foo::field, ...) works when field is not copyable. +TEST(FieldTest, WorksForUncopyableField) { + AStruct a; + + Matcher<AStruct> m = Field(&AStruct::z, Truly(ValueIsPositive)); + EXPECT_TRUE(m.Matches(a)); + m = Field(&AStruct::z, Not(Truly(ValueIsPositive))); + EXPECT_FALSE(m.Matches(a)); +} + +// Tests that Field(&Foo::field, ...) works when field is a pointer. +TEST(FieldTest, WorksForPointerField) { + // Matching against NULL. + Matcher<AStruct> m = Field(&AStruct::p, static_cast<const char*>(nullptr)); + AStruct a; + EXPECT_TRUE(m.Matches(a)); + a.p = "hi"; + EXPECT_FALSE(m.Matches(a)); + + // Matching a pointer that is not NULL. + m = Field(&AStruct::p, StartsWith("hi")); + a.p = "hill"; + EXPECT_TRUE(m.Matches(a)); + a.p = "hole"; + EXPECT_FALSE(m.Matches(a)); +} + +// Tests that Field() works when the object is passed by reference. +TEST(FieldTest, WorksForByRefArgument) { + Matcher<const AStruct&> m = Field(&AStruct::x, Ge(0)); + + AStruct a; + EXPECT_TRUE(m.Matches(a)); + a.x = -1; + EXPECT_FALSE(m.Matches(a)); +} + +// Tests that Field(&Foo::field, ...) works when the argument's type +// is a sub-type of Foo. +TEST(FieldTest, WorksForArgumentOfSubType) { + // Note that the matcher expects DerivedStruct but we say AStruct + // inside Field(). + Matcher<const DerivedStruct&> m = Field(&AStruct::x, Ge(0)); + + DerivedStruct d; + EXPECT_TRUE(m.Matches(d)); + d.x = -1; + EXPECT_FALSE(m.Matches(d)); +} + +// Tests that Field(&Foo::field, m) works when field's type and m's +// argument type are compatible but not the same. +TEST(FieldTest, WorksForCompatibleMatcherType) { + // The field is an int, but the inner matcher expects a signed char. + Matcher<const AStruct&> m = Field(&AStruct::x, Matcher<signed char>(Ge(0))); + + AStruct a; + EXPECT_TRUE(m.Matches(a)); + a.x = -1; + EXPECT_FALSE(m.Matches(a)); +} + +// Tests that Field() can describe itself. +TEST(FieldTest, CanDescribeSelf) { + Matcher<const AStruct&> m = Field(&AStruct::x, Ge(0)); + + EXPECT_EQ("is an object whose given field is >= 0", Describe(m)); + EXPECT_EQ("is an object whose given field isn't >= 0", DescribeNegation(m)); +} + +TEST(FieldTest, CanDescribeSelfWithFieldName) { + Matcher<const AStruct&> m = Field("field_name", &AStruct::x, Ge(0)); + + EXPECT_EQ("is an object whose field `field_name` is >= 0", Describe(m)); + EXPECT_EQ("is an object whose field `field_name` isn't >= 0", + DescribeNegation(m)); +} + +// Tests that Field() can explain the match result. +TEST_P(FieldTestP, CanExplainMatchResult) { + Matcher<const AStruct&> m = Field(&AStruct::x, Ge(0)); + + AStruct a; + a.x = 1; + EXPECT_EQ("whose given field is 1" + OfType("int"), Explain(m, a)); + + m = Field(&AStruct::x, GreaterThan(0)); + EXPECT_EQ( + "whose given field is 1" + OfType("int") + ", which is 1 more than 0", + Explain(m, a)); +} + +TEST_P(FieldTestP, CanExplainMatchResultWithFieldName) { + Matcher<const AStruct&> m = Field("field_name", &AStruct::x, Ge(0)); + + AStruct a; + a.x = 1; + EXPECT_EQ("whose field `field_name` is 1" + OfType("int"), Explain(m, a)); + + m = Field("field_name", &AStruct::x, GreaterThan(0)); + EXPECT_EQ("whose field `field_name` is 1" + OfType("int") + + ", which is 1 more than 0", + Explain(m, a)); +} + +INSTANTIATE_GTEST_MATCHER_TEST_P(FieldForPointerTest); + +// Tests that Field() works when the argument is a pointer to const. +TEST(FieldForPointerTest, WorksForPointerToConst) { + Matcher<const AStruct*> m = Field(&AStruct::x, Ge(0)); + + AStruct a; + EXPECT_TRUE(m.Matches(&a)); + a.x = -1; + EXPECT_FALSE(m.Matches(&a)); +} + +// Tests that Field() works when the argument is a pointer to non-const. +TEST(FieldForPointerTest, WorksForPointerToNonConst) { + Matcher<AStruct*> m = Field(&AStruct::x, Ge(0)); + + AStruct a; + EXPECT_TRUE(m.Matches(&a)); + a.x = -1; + EXPECT_FALSE(m.Matches(&a)); +} + +// Tests that Field() works when the argument is a reference to a const pointer. +TEST(FieldForPointerTest, WorksForReferenceToConstPointer) { + Matcher<AStruct* const&> m = Field(&AStruct::x, Ge(0)); + + AStruct a; + EXPECT_TRUE(m.Matches(&a)); + a.x = -1; + EXPECT_FALSE(m.Matches(&a)); +} + +// Tests that Field() does not match the NULL pointer. +TEST(FieldForPointerTest, DoesNotMatchNull) { + Matcher<const AStruct*> m = Field(&AStruct::x, _); + EXPECT_FALSE(m.Matches(nullptr)); +} + +// Tests that Field(&Foo::field, ...) works when the argument's type +// is a sub-type of const Foo*. +TEST(FieldForPointerTest, WorksForArgumentOfSubType) { + // Note that the matcher expects DerivedStruct but we say AStruct + // inside Field(). + Matcher<DerivedStruct*> m = Field(&AStruct::x, Ge(0)); + + DerivedStruct d; + EXPECT_TRUE(m.Matches(&d)); + d.x = -1; + EXPECT_FALSE(m.Matches(&d)); +} + +// Tests that Field() can describe itself when used to match a pointer. +TEST(FieldForPointerTest, CanDescribeSelf) { + Matcher<const AStruct*> m = Field(&AStruct::x, Ge(0)); + + EXPECT_EQ("is an object whose given field is >= 0", Describe(m)); + EXPECT_EQ("is an object whose given field isn't >= 0", DescribeNegation(m)); +} + +TEST(FieldForPointerTest, CanDescribeSelfWithFieldName) { + Matcher<const AStruct*> m = Field("field_name", &AStruct::x, Ge(0)); + + EXPECT_EQ("is an object whose field `field_name` is >= 0", Describe(m)); + EXPECT_EQ("is an object whose field `field_name` isn't >= 0", + DescribeNegation(m)); +} + +// Tests that Field() can explain the result of matching a pointer. +TEST_P(FieldForPointerTestP, CanExplainMatchResult) { + Matcher<const AStruct*> m = Field(&AStruct::x, Ge(0)); + + AStruct a; + a.x = 1; + EXPECT_EQ("", Explain(m, static_cast<const AStruct*>(nullptr))); + EXPECT_EQ("which points to an object whose given field is 1" + OfType("int"), + Explain(m, &a)); + + m = Field(&AStruct::x, GreaterThan(0)); + EXPECT_EQ("which points to an object whose given field is 1" + OfType("int") + + ", which is 1 more than 0", + Explain(m, &a)); +} + +TEST_P(FieldForPointerTestP, CanExplainMatchResultWithFieldName) { + Matcher<const AStruct*> m = Field("field_name", &AStruct::x, Ge(0)); + + AStruct a; + a.x = 1; + EXPECT_EQ("", Explain(m, static_cast<const AStruct*>(nullptr))); + EXPECT_EQ( + "which points to an object whose field `field_name` is 1" + OfType("int"), + Explain(m, &a)); + + m = Field("field_name", &AStruct::x, GreaterThan(0)); + EXPECT_EQ("which points to an object whose field `field_name` is 1" + + OfType("int") + ", which is 1 more than 0", + Explain(m, &a)); +} + +// A user-defined class for testing Property(). +class AClass { + public: + AClass() : n_(0) {} + + // A getter that returns a non-reference. + int n() const { return n_; } + + void set_n(int new_n) { n_ = new_n; } + + // A getter that returns a reference to const. + const std::string& s() const { return s_; } + + const std::string& s_ref() const& { return s_; } + + void set_s(const std::string& new_s) { s_ = new_s; } + + // A getter that returns a reference to non-const. + double& x() const { return x_; } + + private: + int n_; + std::string s_; + + static double x_; +}; + +double AClass::x_ = 0.0; + +// A derived class for testing Property(). +class DerivedClass : public AClass { + public: + int k() const { return k_; } + + private: + int k_; +}; + +INSTANTIATE_GTEST_MATCHER_TEST_P(PropertyTest); + +// Tests that Property(&Foo::property, ...) works when property() +// returns a non-reference. +TEST(PropertyTest, WorksForNonReferenceProperty) { + Matcher<const AClass&> m = Property(&AClass::n, Ge(0)); + Matcher<const AClass&> m_with_name = Property("n", &AClass::n, Ge(0)); + + AClass a; + a.set_n(1); + EXPECT_TRUE(m.Matches(a)); + EXPECT_TRUE(m_with_name.Matches(a)); + + a.set_n(-1); + EXPECT_FALSE(m.Matches(a)); + EXPECT_FALSE(m_with_name.Matches(a)); +} + +// Tests that Property(&Foo::property, ...) works when property() +// returns a reference to const. +TEST(PropertyTest, WorksForReferenceToConstProperty) { + Matcher<const AClass&> m = Property(&AClass::s, StartsWith("hi")); + Matcher<const AClass&> m_with_name = + Property("s", &AClass::s, StartsWith("hi")); + + AClass a; + a.set_s("hill"); + EXPECT_TRUE(m.Matches(a)); + EXPECT_TRUE(m_with_name.Matches(a)); + + a.set_s("hole"); + EXPECT_FALSE(m.Matches(a)); + EXPECT_FALSE(m_with_name.Matches(a)); +} + +// Tests that Property(&Foo::property, ...) works when property() is +// ref-qualified. +TEST(PropertyTest, WorksForRefQualifiedProperty) { + Matcher<const AClass&> m = Property(&AClass::s_ref, StartsWith("hi")); + Matcher<const AClass&> m_with_name = + Property("s", &AClass::s_ref, StartsWith("hi")); + + AClass a; + a.set_s("hill"); + EXPECT_TRUE(m.Matches(a)); + EXPECT_TRUE(m_with_name.Matches(a)); + + a.set_s("hole"); + EXPECT_FALSE(m.Matches(a)); + EXPECT_FALSE(m_with_name.Matches(a)); +} + +// Tests that Property(&Foo::property, ...) works when property() +// returns a reference to non-const. +TEST(PropertyTest, WorksForReferenceToNonConstProperty) { + double x = 0.0; + AClass a; + + Matcher<const AClass&> m = Property(&AClass::x, Ref(x)); + EXPECT_FALSE(m.Matches(a)); + + m = Property(&AClass::x, Not(Ref(x))); + EXPECT_TRUE(m.Matches(a)); +} + +// Tests that Property(&Foo::property, ...) works when the argument is +// passed by value. +TEST(PropertyTest, WorksForByValueArgument) { + Matcher<AClass> m = Property(&AClass::s, StartsWith("hi")); + + AClass a; + a.set_s("hill"); + EXPECT_TRUE(m.Matches(a)); + + a.set_s("hole"); + EXPECT_FALSE(m.Matches(a)); +} + +// Tests that Property(&Foo::property, ...) works when the argument's +// type is a sub-type of Foo. +TEST(PropertyTest, WorksForArgumentOfSubType) { + // The matcher expects a DerivedClass, but inside the Property() we + // say AClass. + Matcher<const DerivedClass&> m = Property(&AClass::n, Ge(0)); + + DerivedClass d; + d.set_n(1); + EXPECT_TRUE(m.Matches(d)); + + d.set_n(-1); + EXPECT_FALSE(m.Matches(d)); +} + +// Tests that Property(&Foo::property, m) works when property()'s type +// and m's argument type are compatible but different. +TEST(PropertyTest, WorksForCompatibleMatcherType) { + // n() returns an int but the inner matcher expects a signed char. + Matcher<const AClass&> m = Property(&AClass::n, Matcher<signed char>(Ge(0))); + + Matcher<const AClass&> m_with_name = + Property("n", &AClass::n, Matcher<signed char>(Ge(0))); + + AClass a; + EXPECT_TRUE(m.Matches(a)); + EXPECT_TRUE(m_with_name.Matches(a)); + a.set_n(-1); + EXPECT_FALSE(m.Matches(a)); + EXPECT_FALSE(m_with_name.Matches(a)); +} + +// Tests that Property() can describe itself. +TEST(PropertyTest, CanDescribeSelf) { + Matcher<const AClass&> m = Property(&AClass::n, Ge(0)); + + EXPECT_EQ("is an object whose given property is >= 0", Describe(m)); + EXPECT_EQ("is an object whose given property isn't >= 0", + DescribeNegation(m)); +} + +TEST(PropertyTest, CanDescribeSelfWithPropertyName) { + Matcher<const AClass&> m = Property("fancy_name", &AClass::n, Ge(0)); + + EXPECT_EQ("is an object whose property `fancy_name` is >= 0", Describe(m)); + EXPECT_EQ("is an object whose property `fancy_name` isn't >= 0", + DescribeNegation(m)); +} + +// Tests that Property() can explain the match result. +TEST_P(PropertyTestP, CanExplainMatchResult) { + Matcher<const AClass&> m = Property(&AClass::n, Ge(0)); + + AClass a; + a.set_n(1); + EXPECT_EQ("whose given property is 1" + OfType("int"), Explain(m, a)); + + m = Property(&AClass::n, GreaterThan(0)); + EXPECT_EQ( + "whose given property is 1" + OfType("int") + ", which is 1 more than 0", + Explain(m, a)); +} + +TEST_P(PropertyTestP, CanExplainMatchResultWithPropertyName) { + Matcher<const AClass&> m = Property("fancy_name", &AClass::n, Ge(0)); + + AClass a; + a.set_n(1); + EXPECT_EQ("whose property `fancy_name` is 1" + OfType("int"), Explain(m, a)); + + m = Property("fancy_name", &AClass::n, GreaterThan(0)); + EXPECT_EQ("whose property `fancy_name` is 1" + OfType("int") + + ", which is 1 more than 0", + Explain(m, a)); +} + +INSTANTIATE_GTEST_MATCHER_TEST_P(PropertyForPointerTest); + +// Tests that Property() works when the argument is a pointer to const. +TEST(PropertyForPointerTest, WorksForPointerToConst) { + Matcher<const AClass*> m = Property(&AClass::n, Ge(0)); + + AClass a; + a.set_n(1); + EXPECT_TRUE(m.Matches(&a)); + + a.set_n(-1); + EXPECT_FALSE(m.Matches(&a)); +} + +// Tests that Property() works when the argument is a pointer to non-const. +TEST(PropertyForPointerTest, WorksForPointerToNonConst) { + Matcher<AClass*> m = Property(&AClass::s, StartsWith("hi")); + + AClass a; + a.set_s("hill"); + EXPECT_TRUE(m.Matches(&a)); + + a.set_s("hole"); + EXPECT_FALSE(m.Matches(&a)); +} + +// Tests that Property() works when the argument is a reference to a +// const pointer. +TEST(PropertyForPointerTest, WorksForReferenceToConstPointer) { + Matcher<AClass* const&> m = Property(&AClass::s, StartsWith("hi")); + + AClass a; + a.set_s("hill"); + EXPECT_TRUE(m.Matches(&a)); + + a.set_s("hole"); + EXPECT_FALSE(m.Matches(&a)); +} + +// Tests that Property() does not match the NULL pointer. +TEST(PropertyForPointerTest, WorksForReferenceToNonConstProperty) { + Matcher<const AClass*> m = Property(&AClass::x, _); + EXPECT_FALSE(m.Matches(nullptr)); +} + +// Tests that Property(&Foo::property, ...) works when the argument's +// type is a sub-type of const Foo*. +TEST(PropertyForPointerTest, WorksForArgumentOfSubType) { + // The matcher expects a DerivedClass, but inside the Property() we + // say AClass. + Matcher<const DerivedClass*> m = Property(&AClass::n, Ge(0)); + + DerivedClass d; + d.set_n(1); + EXPECT_TRUE(m.Matches(&d)); + + d.set_n(-1); + EXPECT_FALSE(m.Matches(&d)); +} + +// Tests that Property() can describe itself when used to match a pointer. +TEST(PropertyForPointerTest, CanDescribeSelf) { + Matcher<const AClass*> m = Property(&AClass::n, Ge(0)); + + EXPECT_EQ("is an object whose given property is >= 0", Describe(m)); + EXPECT_EQ("is an object whose given property isn't >= 0", + DescribeNegation(m)); +} + +TEST(PropertyForPointerTest, CanDescribeSelfWithPropertyDescription) { + Matcher<const AClass*> m = Property("fancy_name", &AClass::n, Ge(0)); + + EXPECT_EQ("is an object whose property `fancy_name` is >= 0", Describe(m)); + EXPECT_EQ("is an object whose property `fancy_name` isn't >= 0", + DescribeNegation(m)); +} + +// Tests that Property() can explain the result of matching a pointer. +TEST_P(PropertyForPointerTestP, CanExplainMatchResult) { + Matcher<const AClass*> m = Property(&AClass::n, Ge(0)); + + AClass a; + a.set_n(1); + EXPECT_EQ("", Explain(m, static_cast<const AClass*>(nullptr))); + EXPECT_EQ( + "which points to an object whose given property is 1" + OfType("int"), + Explain(m, &a)); + + m = Property(&AClass::n, GreaterThan(0)); + EXPECT_EQ("which points to an object whose given property is 1" + + OfType("int") + ", which is 1 more than 0", + Explain(m, &a)); +} + +TEST_P(PropertyForPointerTestP, CanExplainMatchResultWithPropertyName) { + Matcher<const AClass*> m = Property("fancy_name", &AClass::n, Ge(0)); + + AClass a; + a.set_n(1); + EXPECT_EQ("", Explain(m, static_cast<const AClass*>(nullptr))); + EXPECT_EQ("which points to an object whose property `fancy_name` is 1" + + OfType("int"), + Explain(m, &a)); + + m = Property("fancy_name", &AClass::n, GreaterThan(0)); + EXPECT_EQ("which points to an object whose property `fancy_name` is 1" + + OfType("int") + ", which is 1 more than 0", + Explain(m, &a)); +} + +// Tests ResultOf. + +// Tests that ResultOf(f, ...) compiles and works as expected when f is a +// function pointer. +std::string IntToStringFunction(int input) { + return input == 1 ? "foo" : "bar"; +} + +INSTANTIATE_GTEST_MATCHER_TEST_P(ResultOfTest); + +TEST(ResultOfTest, WorksForFunctionPointers) { + Matcher<int> matcher = ResultOf(&IntToStringFunction, Eq(std::string("foo"))); + + EXPECT_TRUE(matcher.Matches(1)); + EXPECT_FALSE(matcher.Matches(2)); +} + +// Tests that ResultOf() can describe itself. +TEST(ResultOfTest, CanDescribeItself) { + Matcher<int> matcher = ResultOf(&IntToStringFunction, StrEq("foo")); + + EXPECT_EQ( + "is mapped by the given callable to a value that " + "is equal to \"foo\"", + Describe(matcher)); + EXPECT_EQ( + "is mapped by the given callable to a value that " + "isn't equal to \"foo\"", + DescribeNegation(matcher)); +} + +// Tests that ResultOf() can describe itself when provided a result description. +TEST(ResultOfTest, CanDescribeItselfWithResultDescription) { + Matcher<int> matcher = + ResultOf("string conversion", &IntToStringFunction, StrEq("foo")); + + EXPECT_EQ("whose string conversion is equal to \"foo\"", Describe(matcher)); + EXPECT_EQ("whose string conversion isn't equal to \"foo\"", + DescribeNegation(matcher)); +} + +// Tests that ResultOf() can explain the match result. +int IntFunction(int input) { return input == 42 ? 80 : 90; } + +TEST_P(ResultOfTestP, CanExplainMatchResult) { + Matcher<int> matcher = ResultOf(&IntFunction, Ge(85)); + EXPECT_EQ("which is mapped by the given callable to 90" + OfType("int"), + Explain(matcher, 36)); + + matcher = ResultOf(&IntFunction, GreaterThan(85)); + EXPECT_EQ("which is mapped by the given callable to 90" + OfType("int") + + ", which is 5 more than 85", + Explain(matcher, 36)); +} + +TEST_P(ResultOfTestP, CanExplainMatchResultWithResultDescription) { + Matcher<int> matcher = ResultOf("magic int conversion", &IntFunction, Ge(85)); + EXPECT_EQ("whose magic int conversion is 90" + OfType("int"), + Explain(matcher, 36)); + + matcher = ResultOf("magic int conversion", &IntFunction, GreaterThan(85)); + EXPECT_EQ("whose magic int conversion is 90" + OfType("int") + + ", which is 5 more than 85", + Explain(matcher, 36)); +} + +// Tests that ResultOf(f, ...) compiles and works as expected when f(x) +// returns a non-reference. +TEST(ResultOfTest, WorksForNonReferenceResults) { + Matcher<int> matcher = ResultOf(&IntFunction, Eq(80)); + + EXPECT_TRUE(matcher.Matches(42)); + EXPECT_FALSE(matcher.Matches(36)); +} + +// Tests that ResultOf(f, ...) compiles and works as expected when f(x) +// returns a reference to non-const. +double& DoubleFunction(double& input) { return input; } // NOLINT + +Uncopyable& RefUncopyableFunction(Uncopyable& obj) { // NOLINT + return obj; +} + +TEST(ResultOfTest, WorksForReferenceToNonConstResults) { + double x = 3.14; + double x2 = x; + Matcher<double&> matcher = ResultOf(&DoubleFunction, Ref(x)); + + EXPECT_TRUE(matcher.Matches(x)); + EXPECT_FALSE(matcher.Matches(x2)); + + // Test that ResultOf works with uncopyable objects + Uncopyable obj(0); + Uncopyable obj2(0); + Matcher<Uncopyable&> matcher2 = ResultOf(&RefUncopyableFunction, Ref(obj)); + + EXPECT_TRUE(matcher2.Matches(obj)); + EXPECT_FALSE(matcher2.Matches(obj2)); +} + +// Tests that ResultOf(f, ...) compiles and works as expected when f(x) +// returns a reference to const. +const std::string& StringFunction(const std::string& input) { return input; } + +TEST(ResultOfTest, WorksForReferenceToConstResults) { + std::string s = "foo"; + std::string s2 = s; + Matcher<const std::string&> matcher = ResultOf(&StringFunction, Ref(s)); + + EXPECT_TRUE(matcher.Matches(s)); + EXPECT_FALSE(matcher.Matches(s2)); +} + +// Tests that ResultOf(f, m) works when f(x) and m's +// argument types are compatible but different. +TEST(ResultOfTest, WorksForCompatibleMatcherTypes) { + // IntFunction() returns int but the inner matcher expects a signed char. + Matcher<int> matcher = ResultOf(IntFunction, Matcher<signed char>(Ge(85))); + + EXPECT_TRUE(matcher.Matches(36)); + EXPECT_FALSE(matcher.Matches(42)); +} + +// Tests that the program aborts when ResultOf is passed +// a NULL function pointer. +TEST(ResultOfDeathTest, DiesOnNullFunctionPointers) { + EXPECT_DEATH_IF_SUPPORTED( + ResultOf(static_cast<std::string (*)(int dummy)>(nullptr), + Eq(std::string("foo"))), + "NULL function pointer is passed into ResultOf\\(\\)\\."); +} + +// Tests that ResultOf(f, ...) compiles and works as expected when f is a +// function reference. +TEST(ResultOfTest, WorksForFunctionReferences) { + Matcher<int> matcher = ResultOf(IntToStringFunction, StrEq("foo")); + EXPECT_TRUE(matcher.Matches(1)); + EXPECT_FALSE(matcher.Matches(2)); +} + +// Tests that ResultOf(f, ...) compiles and works as expected when f is a +// function object. +struct Functor { + std::string operator()(int input) const { return IntToStringFunction(input); } +}; + +TEST(ResultOfTest, WorksForFunctors) { + Matcher<int> matcher = ResultOf(Functor(), Eq(std::string("foo"))); + + EXPECT_TRUE(matcher.Matches(1)); + EXPECT_FALSE(matcher.Matches(2)); +} + +// Tests that ResultOf(f, ...) compiles and works as expected when f is a +// functor with more than one operator() defined. ResultOf() must work +// for each defined operator(). +struct PolymorphicFunctor { + typedef int result_type; + int operator()(int n) { return n; } + int operator()(const char* s) { return static_cast<int>(strlen(s)); } + std::string operator()(int* p) { return p ? "good ptr" : "null"; } +}; + +TEST(ResultOfTest, WorksForPolymorphicFunctors) { + Matcher<int> matcher_int = ResultOf(PolymorphicFunctor(), Ge(5)); + + EXPECT_TRUE(matcher_int.Matches(10)); + EXPECT_FALSE(matcher_int.Matches(2)); + + Matcher<const char*> matcher_string = ResultOf(PolymorphicFunctor(), Ge(5)); + + EXPECT_TRUE(matcher_string.Matches("long string")); + EXPECT_FALSE(matcher_string.Matches("shrt")); +} + +TEST(ResultOfTest, WorksForPolymorphicFunctorsIgnoringResultType) { + Matcher<int*> matcher = ResultOf(PolymorphicFunctor(), "good ptr"); + + int n = 0; + EXPECT_TRUE(matcher.Matches(&n)); + EXPECT_FALSE(matcher.Matches(nullptr)); +} + +TEST(ResultOfTest, WorksForLambdas) { + Matcher<int> matcher = ResultOf( + [](int str_len) { + return std::string(static_cast<size_t>(str_len), 'x'); + }, + "xxx"); + EXPECT_TRUE(matcher.Matches(3)); + EXPECT_FALSE(matcher.Matches(1)); +} + +TEST(ResultOfTest, WorksForNonCopyableArguments) { + Matcher<std::unique_ptr<int>> matcher = ResultOf( + [](const std::unique_ptr<int>& str_len) { + return std::string(static_cast<size_t>(*str_len), 'x'); + }, + "xxx"); + EXPECT_TRUE(matcher.Matches(std::unique_ptr<int>(new int(3)))); + EXPECT_FALSE(matcher.Matches(std::unique_ptr<int>(new int(1)))); +} + +const int* ReferencingFunction(const int& n) { return &n; } + +struct ReferencingFunctor { + typedef const int* result_type; + result_type operator()(const int& n) { return &n; } +}; + +TEST(ResultOfTest, WorksForReferencingCallables) { + const int n = 1; + const int n2 = 1; + Matcher<const int&> matcher2 = ResultOf(ReferencingFunction, Eq(&n)); + EXPECT_TRUE(matcher2.Matches(n)); + EXPECT_FALSE(matcher2.Matches(n2)); + + Matcher<const int&> matcher3 = ResultOf(ReferencingFunctor(), Eq(&n)); + EXPECT_TRUE(matcher3.Matches(n)); + EXPECT_FALSE(matcher3.Matches(n2)); +} + +TEST(SizeIsTest, ImplementsSizeIs) { + vector<int> container; + EXPECT_THAT(container, SizeIs(0)); + EXPECT_THAT(container, Not(SizeIs(1))); + container.push_back(0); + EXPECT_THAT(container, Not(SizeIs(0))); + EXPECT_THAT(container, SizeIs(1)); + container.push_back(0); + EXPECT_THAT(container, Not(SizeIs(0))); + EXPECT_THAT(container, SizeIs(2)); +} + +TEST(SizeIsTest, WorksWithMap) { + map<std::string, int> container; + EXPECT_THAT(container, SizeIs(0)); + EXPECT_THAT(container, Not(SizeIs(1))); + container.insert(make_pair("foo", 1)); + EXPECT_THAT(container, Not(SizeIs(0))); + EXPECT_THAT(container, SizeIs(1)); + container.insert(make_pair("bar", 2)); + EXPECT_THAT(container, Not(SizeIs(0))); + EXPECT_THAT(container, SizeIs(2)); +} + +TEST(SizeIsTest, WorksWithReferences) { + vector<int> container; + Matcher<const vector<int>&> m = SizeIs(1); + EXPECT_THAT(container, Not(m)); + container.push_back(0); + EXPECT_THAT(container, m); +} + +TEST(SizeIsTest, WorksWithMoveOnly) { + ContainerHelper helper; + EXPECT_CALL(helper, Call(SizeIs(3))); + helper.Call(MakeUniquePtrs({1, 2, 3})); +} + +// SizeIs should work for any type that provides a size() member function. +// For example, a size_type member type should not need to be provided. +struct MinimalistCustomType { + int size() const { return 1; } +}; +TEST(SizeIsTest, WorksWithMinimalistCustomType) { + MinimalistCustomType container; + EXPECT_THAT(container, SizeIs(1)); + EXPECT_THAT(container, Not(SizeIs(0))); +} + +TEST(SizeIsTest, CanDescribeSelf) { + Matcher<vector<int>> m = SizeIs(2); + EXPECT_EQ("has a size that is equal to 2", Describe(m)); + EXPECT_EQ("has a size that isn't equal to 2", DescribeNegation(m)); +} + +TEST(SizeIsTest, ExplainsResult) { + Matcher<vector<int>> m1 = SizeIs(2); + Matcher<vector<int>> m2 = SizeIs(Lt(2u)); + Matcher<vector<int>> m3 = SizeIs(AnyOf(0, 3)); + Matcher<vector<int>> m4 = SizeIs(Gt(1u)); + vector<int> container; + EXPECT_EQ("whose size 0 doesn't match", Explain(m1, container)); + EXPECT_EQ("whose size 0 matches", Explain(m2, container)); + EXPECT_EQ("whose size 0 matches", Explain(m3, container)); + EXPECT_EQ("whose size 0 doesn't match", Explain(m4, container)); + container.push_back(0); + container.push_back(0); + EXPECT_EQ("whose size 2 matches", Explain(m1, container)); + EXPECT_EQ("whose size 2 doesn't match", Explain(m2, container)); + EXPECT_EQ("whose size 2 doesn't match", Explain(m3, container)); + EXPECT_EQ("whose size 2 matches", Explain(m4, container)); +} + +TEST(WhenSortedByTest, WorksForEmptyContainer) { + const vector<int> numbers; + EXPECT_THAT(numbers, WhenSortedBy(less<int>(), ElementsAre())); + EXPECT_THAT(numbers, Not(WhenSortedBy(less<int>(), ElementsAre(1)))); +} + +TEST(WhenSortedByTest, WorksForNonEmptyContainer) { + vector<unsigned> numbers; + numbers.push_back(3); + numbers.push_back(1); + numbers.push_back(2); + numbers.push_back(2); + EXPECT_THAT(numbers, + WhenSortedBy(greater<unsigned>(), ElementsAre(3, 2, 2, 1))); + EXPECT_THAT(numbers, + Not(WhenSortedBy(greater<unsigned>(), ElementsAre(1, 2, 2, 3)))); +} + +TEST(WhenSortedByTest, WorksForNonVectorContainer) { + list<std::string> words; + words.push_back("say"); + words.push_back("hello"); + words.push_back("world"); + EXPECT_THAT(words, WhenSortedBy(less<std::string>(), + ElementsAre("hello", "say", "world"))); + EXPECT_THAT(words, Not(WhenSortedBy(less<std::string>(), + ElementsAre("say", "hello", "world")))); +} + +TEST(WhenSortedByTest, WorksForNativeArray) { + const int numbers[] = {1, 3, 2, 4}; + const int sorted_numbers[] = {1, 2, 3, 4}; + EXPECT_THAT(numbers, WhenSortedBy(less<int>(), ElementsAre(1, 2, 3, 4))); + EXPECT_THAT(numbers, + WhenSortedBy(less<int>(), ElementsAreArray(sorted_numbers))); + EXPECT_THAT(numbers, Not(WhenSortedBy(less<int>(), ElementsAre(1, 3, 2, 4)))); +} + +TEST(WhenSortedByTest, CanDescribeSelf) { + const Matcher<vector<int>> m = WhenSortedBy(less<int>(), ElementsAre(1, 2)); + EXPECT_EQ( + "(when sorted) has 2 elements where\n" + "element #0 is equal to 1,\n" + "element #1 is equal to 2", + Describe(m)); + EXPECT_EQ( + "(when sorted) doesn't have 2 elements, or\n" + "element #0 isn't equal to 1, or\n" + "element #1 isn't equal to 2", + DescribeNegation(m)); +} + +TEST(WhenSortedByTest, ExplainsMatchResult) { + const int a[] = {2, 1}; + EXPECT_EQ("which is { 1, 2 } when sorted, whose element #0 doesn't match", + Explain(WhenSortedBy(less<int>(), ElementsAre(2, 3)), a)); + EXPECT_EQ("which is { 1, 2 } when sorted", + Explain(WhenSortedBy(less<int>(), ElementsAre(1, 2)), a)); +} + +// WhenSorted() is a simple wrapper on WhenSortedBy(). Hence we don't +// need to test it as exhaustively as we test the latter. + +TEST(WhenSortedTest, WorksForEmptyContainer) { + const vector<int> numbers; + EXPECT_THAT(numbers, WhenSorted(ElementsAre())); + EXPECT_THAT(numbers, Not(WhenSorted(ElementsAre(1)))); +} + +TEST(WhenSortedTest, WorksForNonEmptyContainer) { + list<std::string> words; + words.push_back("3"); + words.push_back("1"); + words.push_back("2"); + words.push_back("2"); + EXPECT_THAT(words, WhenSorted(ElementsAre("1", "2", "2", "3"))); + EXPECT_THAT(words, Not(WhenSorted(ElementsAre("3", "1", "2", "2")))); +} + +TEST(WhenSortedTest, WorksForMapTypes) { + map<std::string, int> word_counts; + word_counts["and"] = 1; + word_counts["the"] = 1; + word_counts["buffalo"] = 2; + EXPECT_THAT(word_counts, + WhenSorted(ElementsAre(Pair("and", 1), Pair("buffalo", 2), + Pair("the", 1)))); + EXPECT_THAT(word_counts, + Not(WhenSorted(ElementsAre(Pair("and", 1), Pair("the", 1), + Pair("buffalo", 2))))); +} + +TEST(WhenSortedTest, WorksForMultiMapTypes) { + multimap<int, int> ifib; + ifib.insert(make_pair(8, 6)); + ifib.insert(make_pair(2, 3)); + ifib.insert(make_pair(1, 1)); + ifib.insert(make_pair(3, 4)); + ifib.insert(make_pair(1, 2)); + ifib.insert(make_pair(5, 5)); + EXPECT_THAT(ifib, + WhenSorted(ElementsAre(Pair(1, 1), Pair(1, 2), Pair(2, 3), + Pair(3, 4), Pair(5, 5), Pair(8, 6)))); + EXPECT_THAT(ifib, + Not(WhenSorted(ElementsAre(Pair(8, 6), Pair(2, 3), Pair(1, 1), + Pair(3, 4), Pair(1, 2), Pair(5, 5))))); +} + +TEST(WhenSortedTest, WorksForPolymorphicMatcher) { + std::deque<int> d; + d.push_back(2); + d.push_back(1); + EXPECT_THAT(d, WhenSorted(ElementsAre(1, 2))); + EXPECT_THAT(d, Not(WhenSorted(ElementsAre(2, 1)))); +} + +TEST(WhenSortedTest, WorksForVectorConstRefMatcher) { + std::deque<int> d; + d.push_back(2); + d.push_back(1); + Matcher<const std::vector<int>&> vector_match = ElementsAre(1, 2); + EXPECT_THAT(d, WhenSorted(vector_match)); + Matcher<const std::vector<int>&> not_vector_match = ElementsAre(2, 1); + EXPECT_THAT(d, Not(WhenSorted(not_vector_match))); +} + +// Deliberately bare pseudo-container. +// Offers only begin() and end() accessors, yielding InputIterator. +template <typename T> +class Streamlike { + private: + class ConstIter; + + public: + typedef ConstIter const_iterator; + typedef T value_type; + + template <typename InIter> + Streamlike(InIter first, InIter last) : remainder_(first, last) {} + + const_iterator begin() const { + return const_iterator(this, remainder_.begin()); + } + const_iterator end() const { return const_iterator(this, remainder_.end()); } + + private: + class ConstIter { + public: + using iterator_category = std::input_iterator_tag; + using value_type = T; + using difference_type = ptrdiff_t; + using pointer = const value_type*; + using reference = const value_type&; + + ConstIter(const Streamlike* s, typename std::list<value_type>::iterator pos) + : s_(s), pos_(pos) {} + + const value_type& operator*() const { return *pos_; } + const value_type* operator->() const { return &*pos_; } + ConstIter& operator++() { + s_->remainder_.erase(pos_++); + return *this; + } + + // *iter++ is required to work (see std::istreambuf_iterator). + // (void)iter++ is also required to work. + class PostIncrProxy { + public: + explicit PostIncrProxy(const value_type& value) : value_(value) {} + value_type operator*() const { return value_; } + + private: + value_type value_; + }; + PostIncrProxy operator++(int) { + PostIncrProxy proxy(**this); + ++(*this); + return proxy; + } + + friend bool operator==(const ConstIter& a, const ConstIter& b) { + return a.s_ == b.s_ && a.pos_ == b.pos_; + } + friend bool operator!=(const ConstIter& a, const ConstIter& b) { + return !(a == b); + } + + private: + const Streamlike* s_; + typename std::list<value_type>::iterator pos_; + }; + + friend std::ostream& operator<<(std::ostream& os, const Streamlike& s) { + os << "["; + typedef typename std::list<value_type>::const_iterator Iter; + const char* sep = ""; + for (Iter it = s.remainder_.begin(); it != s.remainder_.end(); ++it) { + os << sep << *it; + sep = ","; + } + os << "]"; + return os; + } + + mutable std::list<value_type> remainder_; // modified by iteration +}; + +TEST(StreamlikeTest, Iteration) { + const int a[5] = {2, 1, 4, 5, 3}; + Streamlike<int> s(a, a + 5); + Streamlike<int>::const_iterator it = s.begin(); + const int* ip = a; + while (it != s.end()) { + SCOPED_TRACE(ip - a); + EXPECT_EQ(*ip++, *it++); + } +} + +INSTANTIATE_GTEST_MATCHER_TEST_P(BeginEndDistanceIsTest); + +TEST(BeginEndDistanceIsTest, WorksWithForwardList) { + std::forward_list<int> container; + EXPECT_THAT(container, BeginEndDistanceIs(0)); + EXPECT_THAT(container, Not(BeginEndDistanceIs(1))); + container.push_front(0); + EXPECT_THAT(container, Not(BeginEndDistanceIs(0))); + EXPECT_THAT(container, BeginEndDistanceIs(1)); + container.push_front(0); + EXPECT_THAT(container, Not(BeginEndDistanceIs(0))); + EXPECT_THAT(container, BeginEndDistanceIs(2)); +} + +TEST(BeginEndDistanceIsTest, WorksWithNonStdList) { + const int a[5] = {1, 2, 3, 4, 5}; + Streamlike<int> s(a, a + 5); + EXPECT_THAT(s, BeginEndDistanceIs(5)); +} + +TEST(BeginEndDistanceIsTest, CanDescribeSelf) { + Matcher<vector<int>> m = BeginEndDistanceIs(2); + EXPECT_EQ("distance between begin() and end() is equal to 2", Describe(m)); + EXPECT_EQ("distance between begin() and end() isn't equal to 2", + DescribeNegation(m)); +} + +TEST(BeginEndDistanceIsTest, WorksWithMoveOnly) { + ContainerHelper helper; + EXPECT_CALL(helper, Call(BeginEndDistanceIs(2))); + helper.Call(MakeUniquePtrs({1, 2})); +} + +TEST_P(BeginEndDistanceIsTestP, ExplainsResult) { + Matcher<vector<int>> m1 = BeginEndDistanceIs(2); + Matcher<vector<int>> m2 = BeginEndDistanceIs(Lt(2)); + Matcher<vector<int>> m3 = BeginEndDistanceIs(AnyOf(0, 3)); + Matcher<vector<int>> m4 = BeginEndDistanceIs(GreaterThan(1)); + vector<int> container; + EXPECT_EQ("whose distance between begin() and end() 0 doesn't match", + Explain(m1, container)); + EXPECT_EQ("whose distance between begin() and end() 0 matches", + Explain(m2, container)); + EXPECT_EQ("whose distance between begin() and end() 0 matches", + Explain(m3, container)); + EXPECT_EQ( + "whose distance between begin() and end() 0 doesn't match, which is 1 " + "less than 1", + Explain(m4, container)); + container.push_back(0); + container.push_back(0); + EXPECT_EQ("whose distance between begin() and end() 2 matches", + Explain(m1, container)); + EXPECT_EQ("whose distance between begin() and end() 2 doesn't match", + Explain(m2, container)); + EXPECT_EQ("whose distance between begin() and end() 2 doesn't match", + Explain(m3, container)); + EXPECT_EQ( + "whose distance between begin() and end() 2 matches, which is 1 more " + "than 1", + Explain(m4, container)); +} + +TEST(WhenSortedTest, WorksForStreamlike) { + // Streamlike 'container' provides only minimal iterator support. + // Its iterators are tagged with input_iterator_tag. + const int a[5] = {2, 1, 4, 5, 3}; + Streamlike<int> s(std::begin(a), std::end(a)); + EXPECT_THAT(s, WhenSorted(ElementsAre(1, 2, 3, 4, 5))); + EXPECT_THAT(s, Not(WhenSorted(ElementsAre(2, 1, 4, 5, 3)))); +} + +TEST(WhenSortedTest, WorksForVectorConstRefMatcherOnStreamlike) { + const int a[] = {2, 1, 4, 5, 3}; + Streamlike<int> s(std::begin(a), std::end(a)); + Matcher<const std::vector<int>&> vector_match = ElementsAre(1, 2, 3, 4, 5); + EXPECT_THAT(s, WhenSorted(vector_match)); + EXPECT_THAT(s, Not(WhenSorted(ElementsAre(2, 1, 4, 5, 3)))); +} + +TEST(IsSupersetOfTest, WorksForNativeArray) { + const int subset[] = {1, 4}; + const int superset[] = {1, 2, 4}; + const int disjoint[] = {1, 0, 3}; + EXPECT_THAT(subset, IsSupersetOf(subset)); + EXPECT_THAT(subset, Not(IsSupersetOf(superset))); + EXPECT_THAT(superset, IsSupersetOf(subset)); + EXPECT_THAT(subset, Not(IsSupersetOf(disjoint))); + EXPECT_THAT(disjoint, Not(IsSupersetOf(subset))); +} + +TEST(IsSupersetOfTest, WorksWithDuplicates) { + const int not_enough[] = {1, 2}; + const int enough[] = {1, 1, 2}; + const int expected[] = {1, 1}; + EXPECT_THAT(not_enough, Not(IsSupersetOf(expected))); + EXPECT_THAT(enough, IsSupersetOf(expected)); +} + +TEST(IsSupersetOfTest, WorksForEmpty) { + vector<int> numbers; + vector<int> expected; + EXPECT_THAT(numbers, IsSupersetOf(expected)); + expected.push_back(1); + EXPECT_THAT(numbers, Not(IsSupersetOf(expected))); + expected.clear(); + numbers.push_back(1); + numbers.push_back(2); + EXPECT_THAT(numbers, IsSupersetOf(expected)); + expected.push_back(1); + EXPECT_THAT(numbers, IsSupersetOf(expected)); + expected.push_back(2); + EXPECT_THAT(numbers, IsSupersetOf(expected)); + expected.push_back(3); + EXPECT_THAT(numbers, Not(IsSupersetOf(expected))); +} + +TEST(IsSupersetOfTest, WorksForStreamlike) { + const int a[5] = {1, 2, 3, 4, 5}; + Streamlike<int> s(std::begin(a), std::end(a)); + + vector<int> expected; + expected.push_back(1); + expected.push_back(2); + expected.push_back(5); + EXPECT_THAT(s, IsSupersetOf(expected)); + + expected.push_back(0); + EXPECT_THAT(s, Not(IsSupersetOf(expected))); +} + +TEST(IsSupersetOfTest, TakesStlContainer) { + const int actual[] = {3, 1, 2}; + + ::std::list<int> expected; + expected.push_back(1); + expected.push_back(3); + EXPECT_THAT(actual, IsSupersetOf(expected)); + + expected.push_back(4); + EXPECT_THAT(actual, Not(IsSupersetOf(expected))); +} + +TEST(IsSupersetOfTest, Describe) { + typedef std::vector<int> IntVec; + IntVec expected; + expected.push_back(111); + expected.push_back(222); + expected.push_back(333); + EXPECT_THAT( + Describe<IntVec>(IsSupersetOf(expected)), + Eq("a surjection from elements to requirements exists such that:\n" + " - an element is equal to 111\n" + " - an element is equal to 222\n" + " - an element is equal to 333")); +} + +TEST(IsSupersetOfTest, DescribeNegation) { + typedef std::vector<int> IntVec; + IntVec expected; + expected.push_back(111); + expected.push_back(222); + expected.push_back(333); + EXPECT_THAT( + DescribeNegation<IntVec>(IsSupersetOf(expected)), + Eq("no surjection from elements to requirements exists such that:\n" + " - an element is equal to 111\n" + " - an element is equal to 222\n" + " - an element is equal to 333")); +} + +TEST(IsSupersetOfTest, MatchAndExplain) { + std::vector<int> v; + v.push_back(2); + v.push_back(3); + std::vector<int> expected; + expected.push_back(1); + expected.push_back(2); + StringMatchResultListener listener; + ASSERT_FALSE(ExplainMatchResult(IsSupersetOf(expected), v, &listener)) + << listener.str(); + EXPECT_THAT(listener.str(), + Eq("where the following matchers don't match any elements:\n" + "matcher #0: is equal to 1")); + + v.push_back(1); + listener.Clear(); + ASSERT_TRUE(ExplainMatchResult(IsSupersetOf(expected), v, &listener)) + << listener.str(); + EXPECT_THAT(listener.str(), Eq("where:\n" + " - element #0 is matched by matcher #1,\n" + " - element #2 is matched by matcher #0")); +} + +TEST(IsSupersetOfTest, WorksForRhsInitializerList) { + const int numbers[] = {1, 3, 6, 2, 4, 5}; + EXPECT_THAT(numbers, IsSupersetOf({1, 2})); + EXPECT_THAT(numbers, Not(IsSupersetOf({3, 0}))); +} + +TEST(IsSupersetOfTest, WorksWithMoveOnly) { + ContainerHelper helper; + EXPECT_CALL(helper, Call(IsSupersetOf({Pointee(1)}))); + helper.Call(MakeUniquePtrs({1, 2})); + EXPECT_CALL(helper, Call(Not(IsSupersetOf({Pointee(1), Pointee(2)})))); + helper.Call(MakeUniquePtrs({2})); +} + +TEST(IsSubsetOfTest, WorksForNativeArray) { + const int subset[] = {1, 4}; + const int superset[] = {1, 2, 4}; + const int disjoint[] = {1, 0, 3}; + EXPECT_THAT(subset, IsSubsetOf(subset)); + EXPECT_THAT(subset, IsSubsetOf(superset)); + EXPECT_THAT(superset, Not(IsSubsetOf(subset))); + EXPECT_THAT(subset, Not(IsSubsetOf(disjoint))); + EXPECT_THAT(disjoint, Not(IsSubsetOf(subset))); +} + +TEST(IsSubsetOfTest, WorksWithDuplicates) { + const int not_enough[] = {1, 2}; + const int enough[] = {1, 1, 2}; + const int actual[] = {1, 1}; + EXPECT_THAT(actual, Not(IsSubsetOf(not_enough))); + EXPECT_THAT(actual, IsSubsetOf(enough)); +} + +TEST(IsSubsetOfTest, WorksForEmpty) { + vector<int> numbers; + vector<int> expected; + EXPECT_THAT(numbers, IsSubsetOf(expected)); + expected.push_back(1); + EXPECT_THAT(numbers, IsSubsetOf(expected)); + expected.clear(); + numbers.push_back(1); + numbers.push_back(2); + EXPECT_THAT(numbers, Not(IsSubsetOf(expected))); + expected.push_back(1); + EXPECT_THAT(numbers, Not(IsSubsetOf(expected))); + expected.push_back(2); + EXPECT_THAT(numbers, IsSubsetOf(expected)); + expected.push_back(3); + EXPECT_THAT(numbers, IsSubsetOf(expected)); +} + +TEST(IsSubsetOfTest, WorksForStreamlike) { + const int a[5] = {1, 2}; + Streamlike<int> s(std::begin(a), std::end(a)); + + vector<int> expected; + expected.push_back(1); + EXPECT_THAT(s, Not(IsSubsetOf(expected))); + expected.push_back(2); + expected.push_back(5); + EXPECT_THAT(s, IsSubsetOf(expected)); +} + +TEST(IsSubsetOfTest, TakesStlContainer) { + const int actual[] = {3, 1, 2}; + + ::std::list<int> expected; + expected.push_back(1); + expected.push_back(3); + EXPECT_THAT(actual, Not(IsSubsetOf(expected))); + + expected.push_back(2); + expected.push_back(4); + EXPECT_THAT(actual, IsSubsetOf(expected)); +} + +TEST(IsSubsetOfTest, Describe) { + typedef std::vector<int> IntVec; + IntVec expected; + expected.push_back(111); + expected.push_back(222); + expected.push_back(333); + + EXPECT_THAT( + Describe<IntVec>(IsSubsetOf(expected)), + Eq("an injection from elements to requirements exists such that:\n" + " - an element is equal to 111\n" + " - an element is equal to 222\n" + " - an element is equal to 333")); +} + +TEST(IsSubsetOfTest, DescribeNegation) { + typedef std::vector<int> IntVec; + IntVec expected; + expected.push_back(111); + expected.push_back(222); + expected.push_back(333); + EXPECT_THAT( + DescribeNegation<IntVec>(IsSubsetOf(expected)), + Eq("no injection from elements to requirements exists such that:\n" + " - an element is equal to 111\n" + " - an element is equal to 222\n" + " - an element is equal to 333")); +} + +TEST(IsSubsetOfTest, MatchAndExplain) { + std::vector<int> v; + v.push_back(2); + v.push_back(3); + std::vector<int> expected; + expected.push_back(1); + expected.push_back(2); + StringMatchResultListener listener; + ASSERT_FALSE(ExplainMatchResult(IsSubsetOf(expected), v, &listener)) + << listener.str(); + EXPECT_THAT(listener.str(), + Eq("where the following elements don't match any matchers:\n" + "element #1: 3")); + + expected.push_back(3); + listener.Clear(); + ASSERT_TRUE(ExplainMatchResult(IsSubsetOf(expected), v, &listener)) + << listener.str(); + EXPECT_THAT(listener.str(), Eq("where:\n" + " - element #0 is matched by matcher #1,\n" + " - element #1 is matched by matcher #2")); +} + +TEST(IsSubsetOfTest, WorksForRhsInitializerList) { + const int numbers[] = {1, 2, 3}; + EXPECT_THAT(numbers, IsSubsetOf({1, 2, 3, 4})); + EXPECT_THAT(numbers, Not(IsSubsetOf({1, 2}))); +} + +TEST(IsSubsetOfTest, WorksWithMoveOnly) { + ContainerHelper helper; + EXPECT_CALL(helper, Call(IsSubsetOf({Pointee(1), Pointee(2)}))); + helper.Call(MakeUniquePtrs({1})); + EXPECT_CALL(helper, Call(Not(IsSubsetOf({Pointee(1)})))); + helper.Call(MakeUniquePtrs({2})); +} + +// Tests using ElementsAre() and ElementsAreArray() with stream-like +// "containers". + +TEST(ElemensAreStreamTest, WorksForStreamlike) { + const int a[5] = {1, 2, 3, 4, 5}; + Streamlike<int> s(std::begin(a), std::end(a)); + EXPECT_THAT(s, ElementsAre(1, 2, 3, 4, 5)); + EXPECT_THAT(s, Not(ElementsAre(2, 1, 4, 5, 3))); +} + +TEST(ElemensAreArrayStreamTest, WorksForStreamlike) { + const int a[5] = {1, 2, 3, 4, 5}; + Streamlike<int> s(std::begin(a), std::end(a)); + + vector<int> expected; + expected.push_back(1); + expected.push_back(2); + expected.push_back(3); + expected.push_back(4); + expected.push_back(5); + EXPECT_THAT(s, ElementsAreArray(expected)); + + expected[3] = 0; + EXPECT_THAT(s, Not(ElementsAreArray(expected))); +} + +TEST(ElementsAreTest, WorksWithUncopyable) { + Uncopyable objs[2]; + objs[0].set_value(-3); + objs[1].set_value(1); + EXPECT_THAT(objs, ElementsAre(UncopyableIs(-3), Truly(ValueIsPositive))); +} + +TEST(ElementsAreTest, WorksWithMoveOnly) { + ContainerHelper helper; + EXPECT_CALL(helper, Call(ElementsAre(Pointee(1), Pointee(2)))); + helper.Call(MakeUniquePtrs({1, 2})); + + EXPECT_CALL(helper, Call(ElementsAreArray({Pointee(3), Pointee(4)}))); + helper.Call(MakeUniquePtrs({3, 4})); +} + +TEST(ElementsAreTest, TakesStlContainer) { + const int actual[] = {3, 1, 2}; + + ::std::list<int> expected; + expected.push_back(3); + expected.push_back(1); + expected.push_back(2); + EXPECT_THAT(actual, ElementsAreArray(expected)); + + expected.push_back(4); + EXPECT_THAT(actual, Not(ElementsAreArray(expected))); +} + +// Tests for UnorderedElementsAreArray() + +TEST(UnorderedElementsAreArrayTest, SucceedsWhenExpected) { + const int a[] = {0, 1, 2, 3, 4}; + std::vector<int> s(std::begin(a), std::end(a)); + do { + StringMatchResultListener listener; + EXPECT_TRUE(ExplainMatchResult(UnorderedElementsAreArray(a), s, &listener)) + << listener.str(); + } while (std::next_permutation(s.begin(), s.end())); +} + +TEST(UnorderedElementsAreArrayTest, VectorBool) { + const bool a[] = {false, true, false, true, true}; + const bool b[] = {true, false, true, true, false}; + std::vector<bool> expected(std::begin(a), std::end(a)); + std::vector<bool> actual(std::begin(b), std::end(b)); + StringMatchResultListener listener; + EXPECT_TRUE(ExplainMatchResult(UnorderedElementsAreArray(expected), actual, + &listener)) + << listener.str(); +} + +TEST(UnorderedElementsAreArrayTest, WorksForStreamlike) { + // Streamlike 'container' provides only minimal iterator support. + // Its iterators are tagged with input_iterator_tag, and it has no + // size() or empty() methods. + const int a[5] = {2, 1, 4, 5, 3}; + Streamlike<int> s(std::begin(a), std::end(a)); + + ::std::vector<int> expected; + expected.push_back(1); + expected.push_back(2); + expected.push_back(3); + expected.push_back(4); + expected.push_back(5); + EXPECT_THAT(s, UnorderedElementsAreArray(expected)); + + expected.push_back(6); + EXPECT_THAT(s, Not(UnorderedElementsAreArray(expected))); +} + +TEST(UnorderedElementsAreArrayTest, TakesStlContainer) { + const int actual[] = {3, 1, 2}; + + ::std::list<int> expected; + expected.push_back(1); + expected.push_back(2); + expected.push_back(3); + EXPECT_THAT(actual, UnorderedElementsAreArray(expected)); + + expected.push_back(4); + EXPECT_THAT(actual, Not(UnorderedElementsAreArray(expected))); +} + +TEST(UnorderedElementsAreArrayTest, TakesInitializerList) { + const int a[5] = {2, 1, 4, 5, 3}; + EXPECT_THAT(a, UnorderedElementsAreArray({1, 2, 3, 4, 5})); + EXPECT_THAT(a, Not(UnorderedElementsAreArray({1, 2, 3, 4, 6}))); +} + +TEST(UnorderedElementsAreArrayTest, TakesInitializerListOfCStrings) { + const std::string a[5] = {"a", "b", "c", "d", "e"}; + EXPECT_THAT(a, UnorderedElementsAreArray({"a", "b", "c", "d", "e"})); + EXPECT_THAT(a, Not(UnorderedElementsAreArray({"a", "b", "c", "d", "ef"}))); +} + +TEST(UnorderedElementsAreArrayTest, TakesInitializerListOfSameTypedMatchers) { + const int a[5] = {2, 1, 4, 5, 3}; + EXPECT_THAT(a, + UnorderedElementsAreArray({Eq(1), Eq(2), Eq(3), Eq(4), Eq(5)})); + EXPECT_THAT( + a, Not(UnorderedElementsAreArray({Eq(1), Eq(2), Eq(3), Eq(4), Eq(6)}))); +} + +TEST(UnorderedElementsAreArrayTest, + TakesInitializerListOfDifferentTypedMatchers) { + const int a[5] = {2, 1, 4, 5, 3}; + // The compiler cannot infer the type of the initializer list if its + // elements have different types. We must explicitly specify the + // unified element type in this case. + EXPECT_THAT(a, UnorderedElementsAreArray<Matcher<int>>( + {Eq(1), Ne(-2), Ge(3), Le(4), Eq(5)})); + EXPECT_THAT(a, Not(UnorderedElementsAreArray<Matcher<int>>( + {Eq(1), Ne(-2), Ge(3), Le(4), Eq(6)}))); +} + +TEST(UnorderedElementsAreArrayTest, WorksWithMoveOnly) { + ContainerHelper helper; + EXPECT_CALL(helper, + Call(UnorderedElementsAreArray({Pointee(1), Pointee(2)}))); + helper.Call(MakeUniquePtrs({2, 1})); +} + +class UnorderedElementsAreTest : public testing::Test { + protected: + typedef std::vector<int> IntVec; +}; + +TEST_F(UnorderedElementsAreTest, WorksWithUncopyable) { + Uncopyable objs[2]; + objs[0].set_value(-3); + objs[1].set_value(1); + EXPECT_THAT(objs, + UnorderedElementsAre(Truly(ValueIsPositive), UncopyableIs(-3))); +} + +TEST_F(UnorderedElementsAreTest, SucceedsWhenExpected) { + const int a[] = {1, 2, 3}; + std::vector<int> s(std::begin(a), std::end(a)); + do { + StringMatchResultListener listener; + EXPECT_TRUE(ExplainMatchResult(UnorderedElementsAre(1, 2, 3), s, &listener)) + << listener.str(); + } while (std::next_permutation(s.begin(), s.end())); +} + +TEST_F(UnorderedElementsAreTest, FailsWhenAnElementMatchesNoMatcher) { + const int a[] = {1, 2, 3}; + std::vector<int> s(std::begin(a), std::end(a)); + std::vector<Matcher<int>> mv; + mv.push_back(1); + mv.push_back(2); + mv.push_back(2); + // The element with value '3' matches nothing: fail fast. + StringMatchResultListener listener; + EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAreArray(mv), s, &listener)) + << listener.str(); +} + +TEST_F(UnorderedElementsAreTest, WorksForStreamlike) { + // Streamlike 'container' provides only minimal iterator support. + // Its iterators are tagged with input_iterator_tag, and it has no + // size() or empty() methods. + const int a[5] = {2, 1, 4, 5, 3}; + Streamlike<int> s(std::begin(a), std::end(a)); + + EXPECT_THAT(s, UnorderedElementsAre(1, 2, 3, 4, 5)); + EXPECT_THAT(s, Not(UnorderedElementsAre(2, 2, 3, 4, 5))); +} + +TEST_F(UnorderedElementsAreTest, WorksWithMoveOnly) { + ContainerHelper helper; + EXPECT_CALL(helper, Call(UnorderedElementsAre(Pointee(1), Pointee(2)))); + helper.Call(MakeUniquePtrs({2, 1})); +} + +// One naive implementation of the matcher runs in O(N!) time, which is too +// slow for many real-world inputs. This test shows that our matcher can match +// 100 inputs very quickly (a few milliseconds). An O(100!) is 10^158 +// iterations and obviously effectively incomputable. +// [ RUN ] UnorderedElementsAreTest.Performance +// [ OK ] UnorderedElementsAreTest.Performance (4 ms) +TEST_F(UnorderedElementsAreTest, Performance) { + std::vector<int> s; + std::vector<Matcher<int>> mv; + for (int i = 0; i < 100; ++i) { + s.push_back(i); + mv.push_back(_); + } + mv[50] = Eq(0); + StringMatchResultListener listener; + EXPECT_TRUE(ExplainMatchResult(UnorderedElementsAreArray(mv), s, &listener)) + << listener.str(); +} + +// Another variant of 'Performance' with similar expectations. +// [ RUN ] UnorderedElementsAreTest.PerformanceHalfStrict +// [ OK ] UnorderedElementsAreTest.PerformanceHalfStrict (4 ms) +TEST_F(UnorderedElementsAreTest, PerformanceHalfStrict) { + std::vector<int> s; + std::vector<Matcher<int>> mv; + for (int i = 0; i < 100; ++i) { + s.push_back(i); + if (i & 1) { + mv.push_back(_); + } else { + mv.push_back(i); + } + } + StringMatchResultListener listener; + EXPECT_TRUE(ExplainMatchResult(UnorderedElementsAreArray(mv), s, &listener)) + << listener.str(); +} + +TEST_F(UnorderedElementsAreTest, FailMessageCountWrong) { + std::vector<int> v; + v.push_back(4); + StringMatchResultListener listener; + EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAre(1, 2, 3), v, &listener)) + << listener.str(); + EXPECT_THAT(listener.str(), Eq("which has 1 element")); +} + +TEST_F(UnorderedElementsAreTest, FailMessageCountWrongZero) { + std::vector<int> v; + StringMatchResultListener listener; + EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAre(1, 2, 3), v, &listener)) + << listener.str(); + EXPECT_THAT(listener.str(), Eq("")); +} + +TEST_F(UnorderedElementsAreTest, FailMessageUnmatchedMatchers) { + std::vector<int> v; + v.push_back(1); + v.push_back(1); + StringMatchResultListener listener; + EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAre(1, 2), v, &listener)) + << listener.str(); + EXPECT_THAT(listener.str(), + Eq("where the following matchers don't match any elements:\n" + "matcher #1: is equal to 2")); +} + +TEST_F(UnorderedElementsAreTest, FailMessageUnmatchedElements) { + std::vector<int> v; + v.push_back(1); + v.push_back(2); + StringMatchResultListener listener; + EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAre(1, 1), v, &listener)) + << listener.str(); + EXPECT_THAT(listener.str(), + Eq("where the following elements don't match any matchers:\n" + "element #1: 2")); +} + +TEST_F(UnorderedElementsAreTest, FailMessageUnmatchedMatcherAndElement) { + std::vector<int> v; + v.push_back(2); + v.push_back(3); + StringMatchResultListener listener; + EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAre(1, 2), v, &listener)) + << listener.str(); + EXPECT_THAT(listener.str(), + Eq("where" + " the following matchers don't match any elements:\n" + "matcher #0: is equal to 1\n" + "and" + " where" + " the following elements don't match any matchers:\n" + "element #1: 3")); +} + +// Test helper for formatting element, matcher index pairs in expectations. +static std::string EMString(int element, int matcher) { + stringstream ss; + ss << "(element #" << element << ", matcher #" << matcher << ")"; + return ss.str(); +} + +TEST_F(UnorderedElementsAreTest, FailMessageImperfectMatchOnly) { + // A situation where all elements and matchers have a match + // associated with them, but the max matching is not perfect. + std::vector<std::string> v; + v.push_back("a"); + v.push_back("b"); + v.push_back("c"); + StringMatchResultListener listener; + EXPECT_FALSE(ExplainMatchResult( + UnorderedElementsAre("a", "a", AnyOf("b", "c")), v, &listener)) + << listener.str(); + + std::string prefix = + "where no permutation of the elements can satisfy all matchers, " + "and the closest match is 2 of 3 matchers with the " + "pairings:\n"; + + // We have to be a bit loose here, because there are 4 valid max matches. + EXPECT_THAT( + listener.str(), + AnyOf( + prefix + "{\n " + EMString(0, 0) + ",\n " + EMString(1, 2) + "\n}", + prefix + "{\n " + EMString(0, 1) + ",\n " + EMString(1, 2) + "\n}", + prefix + "{\n " + EMString(0, 0) + ",\n " + EMString(2, 2) + "\n}", + prefix + "{\n " + EMString(0, 1) + ",\n " + EMString(2, 2) + + "\n}")); +} + +TEST_F(UnorderedElementsAreTest, Describe) { + EXPECT_THAT(Describe<IntVec>(UnorderedElementsAre()), Eq("is empty")); + EXPECT_THAT(Describe<IntVec>(UnorderedElementsAre(345)), + Eq("has 1 element and that element is equal to 345")); + EXPECT_THAT(Describe<IntVec>(UnorderedElementsAre(111, 222, 333)), + Eq("has 3 elements and there exists some permutation " + "of elements such that:\n" + " - element #0 is equal to 111, and\n" + " - element #1 is equal to 222, and\n" + " - element #2 is equal to 333")); +} + +TEST_F(UnorderedElementsAreTest, DescribeNegation) { + EXPECT_THAT(DescribeNegation<IntVec>(UnorderedElementsAre()), + Eq("isn't empty")); + EXPECT_THAT( + DescribeNegation<IntVec>(UnorderedElementsAre(345)), + Eq("doesn't have 1 element, or has 1 element that isn't equal to 345")); + EXPECT_THAT(DescribeNegation<IntVec>(UnorderedElementsAre(123, 234, 345)), + Eq("doesn't have 3 elements, or there exists no permutation " + "of elements such that:\n" + " - element #0 is equal to 123, and\n" + " - element #1 is equal to 234, and\n" + " - element #2 is equal to 345")); +} + +// Tests Each(). + +INSTANTIATE_GTEST_MATCHER_TEST_P(EachTest); + +TEST_P(EachTestP, ExplainsMatchResultCorrectly) { + set<int> a; // empty + + Matcher<set<int>> m = Each(2); + EXPECT_EQ("", Explain(m, a)); + + Matcher<const int(&)[1]> n = Each(1); // NOLINT + + const int b[1] = {1}; + EXPECT_EQ("", Explain(n, b)); + + n = Each(3); + EXPECT_EQ("whose element #0 doesn't match", Explain(n, b)); + + a.insert(1); + a.insert(2); + a.insert(3); + m = Each(GreaterThan(0)); + EXPECT_EQ("", Explain(m, a)); + + m = Each(GreaterThan(10)); + EXPECT_EQ("whose element #0 doesn't match, which is 9 less than 10", + Explain(m, a)); +} + +TEST(EachTest, DescribesItselfCorrectly) { + Matcher<vector<int>> m = Each(1); + EXPECT_EQ("only contains elements that is equal to 1", Describe(m)); + + Matcher<vector<int>> m2 = Not(m); + EXPECT_EQ("contains some element that isn't equal to 1", Describe(m2)); +} + +TEST(EachTest, MatchesVectorWhenAllElementsMatch) { + vector<int> some_vector; + EXPECT_THAT(some_vector, Each(1)); + some_vector.push_back(3); + EXPECT_THAT(some_vector, Not(Each(1))); + EXPECT_THAT(some_vector, Each(3)); + some_vector.push_back(1); + some_vector.push_back(2); + EXPECT_THAT(some_vector, Not(Each(3))); + EXPECT_THAT(some_vector, Each(Lt(3.5))); + + vector<std::string> another_vector; + another_vector.push_back("fee"); + EXPECT_THAT(another_vector, Each(std::string("fee"))); + another_vector.push_back("fie"); + another_vector.push_back("foe"); + another_vector.push_back("fum"); + EXPECT_THAT(another_vector, Not(Each(std::string("fee")))); +} + +TEST(EachTest, MatchesMapWhenAllElementsMatch) { + map<const char*, int> my_map; + const char* bar = "a string"; + my_map[bar] = 2; + EXPECT_THAT(my_map, Each(make_pair(bar, 2))); + + map<std::string, int> another_map; + EXPECT_THAT(another_map, Each(make_pair(std::string("fee"), 1))); + another_map["fee"] = 1; + EXPECT_THAT(another_map, Each(make_pair(std::string("fee"), 1))); + another_map["fie"] = 2; + another_map["foe"] = 3; + another_map["fum"] = 4; + EXPECT_THAT(another_map, Not(Each(make_pair(std::string("fee"), 1)))); + EXPECT_THAT(another_map, Not(Each(make_pair(std::string("fum"), 1)))); + EXPECT_THAT(another_map, Each(Pair(_, Gt(0)))); +} + +TEST(EachTest, AcceptsMatcher) { + const int a[] = {1, 2, 3}; + EXPECT_THAT(a, Each(Gt(0))); + EXPECT_THAT(a, Not(Each(Gt(1)))); +} + +TEST(EachTest, WorksForNativeArrayAsTuple) { + const int a[] = {1, 2}; + const int* const pointer = a; + EXPECT_THAT(std::make_tuple(pointer, 2), Each(Gt(0))); + EXPECT_THAT(std::make_tuple(pointer, 2), Not(Each(Gt(1)))); +} + +TEST(EachTest, WorksWithMoveOnly) { + ContainerHelper helper; + EXPECT_CALL(helper, Call(Each(Pointee(Gt(0))))); + helper.Call(MakeUniquePtrs({1, 2})); +} + +// For testing Pointwise(). +class IsHalfOfMatcher { + public: + template <typename T1, typename T2> + bool MatchAndExplain(const std::tuple<T1, T2>& a_pair, + MatchResultListener* listener) const { + if (std::get<0>(a_pair) == std::get<1>(a_pair) / 2) { + *listener << "where the second is " << std::get<1>(a_pair); + return true; + } else { + *listener << "where the second/2 is " << std::get<1>(a_pair) / 2; + return false; + } + } + + void DescribeTo(ostream* os) const { + *os << "are a pair where the first is half of the second"; + } + + void DescribeNegationTo(ostream* os) const { + *os << "are a pair where the first isn't half of the second"; + } +}; + +PolymorphicMatcher<IsHalfOfMatcher> IsHalfOf() { + return MakePolymorphicMatcher(IsHalfOfMatcher()); +} + +TEST(PointwiseTest, DescribesSelf) { + vector<int> rhs; + rhs.push_back(1); + rhs.push_back(2); + rhs.push_back(3); + const Matcher<const vector<int>&> m = Pointwise(IsHalfOf(), rhs); + EXPECT_EQ( + "contains 3 values, where each value and its corresponding value " + "in { 1, 2, 3 } are a pair where the first is half of the second", + Describe(m)); + EXPECT_EQ( + "doesn't contain exactly 3 values, or contains a value x at some " + "index i where x and the i-th value of { 1, 2, 3 } are a pair " + "where the first isn't half of the second", + DescribeNegation(m)); +} + +TEST(PointwiseTest, MakesCopyOfRhs) { + list<signed char> rhs; + rhs.push_back(2); + rhs.push_back(4); + + int lhs[] = {1, 2}; + const Matcher<const int(&)[2]> m = Pointwise(IsHalfOf(), rhs); + EXPECT_THAT(lhs, m); + + // Changing rhs now shouldn't affect m, which made a copy of rhs. + rhs.push_back(6); + EXPECT_THAT(lhs, m); +} + +TEST(PointwiseTest, WorksForLhsNativeArray) { + const int lhs[] = {1, 2, 3}; + vector<int> rhs; + rhs.push_back(2); + rhs.push_back(4); + rhs.push_back(6); + EXPECT_THAT(lhs, Pointwise(Lt(), rhs)); + EXPECT_THAT(lhs, Not(Pointwise(Gt(), rhs))); +} + +TEST(PointwiseTest, WorksForRhsNativeArray) { + const int rhs[] = {1, 2, 3}; + vector<int> lhs; + lhs.push_back(2); + lhs.push_back(4); + lhs.push_back(6); + EXPECT_THAT(lhs, Pointwise(Gt(), rhs)); + EXPECT_THAT(lhs, Not(Pointwise(Lt(), rhs))); +} + +// Test is effective only with sanitizers. +TEST(PointwiseTest, WorksForVectorOfBool) { + vector<bool> rhs(3, false); + rhs[1] = true; + vector<bool> lhs = rhs; + EXPECT_THAT(lhs, Pointwise(Eq(), rhs)); + rhs[0] = true; + EXPECT_THAT(lhs, Not(Pointwise(Eq(), rhs))); +} + +TEST(PointwiseTest, WorksForRhsInitializerList) { + const vector<int> lhs{2, 4, 6}; + EXPECT_THAT(lhs, Pointwise(Gt(), {1, 2, 3})); + EXPECT_THAT(lhs, Not(Pointwise(Lt(), {3, 3, 7}))); +} + +TEST(PointwiseTest, RejectsWrongSize) { + const double lhs[2] = {1, 2}; + const int rhs[1] = {0}; + EXPECT_THAT(lhs, Not(Pointwise(Gt(), rhs))); + EXPECT_EQ("which contains 2 values", Explain(Pointwise(Gt(), rhs), lhs)); + + const int rhs2[3] = {0, 1, 2}; + EXPECT_THAT(lhs, Not(Pointwise(Gt(), rhs2))); +} + +TEST(PointwiseTest, RejectsWrongContent) { + const double lhs[3] = {1, 2, 3}; + const int rhs[3] = {2, 6, 4}; + EXPECT_THAT(lhs, Not(Pointwise(IsHalfOf(), rhs))); + EXPECT_EQ( + "where the value pair (2, 6) at index #1 don't match, " + "where the second/2 is 3", + Explain(Pointwise(IsHalfOf(), rhs), lhs)); +} + +TEST(PointwiseTest, AcceptsCorrectContent) { + const double lhs[3] = {1, 2, 3}; + const int rhs[3] = {2, 4, 6}; + EXPECT_THAT(lhs, Pointwise(IsHalfOf(), rhs)); + EXPECT_EQ("", Explain(Pointwise(IsHalfOf(), rhs), lhs)); +} + +TEST(PointwiseTest, AllowsMonomorphicInnerMatcher) { + const double lhs[3] = {1, 2, 3}; + const int rhs[3] = {2, 4, 6}; + const Matcher<std::tuple<const double&, const int&>> m1 = IsHalfOf(); + EXPECT_THAT(lhs, Pointwise(m1, rhs)); + EXPECT_EQ("", Explain(Pointwise(m1, rhs), lhs)); + + // This type works as a std::tuple<const double&, const int&> can be + // implicitly cast to std::tuple<double, int>. + const Matcher<std::tuple<double, int>> m2 = IsHalfOf(); + EXPECT_THAT(lhs, Pointwise(m2, rhs)); + EXPECT_EQ("", Explain(Pointwise(m2, rhs), lhs)); +} + +MATCHER(PointeeEquals, "Points to an equal value") { + return ExplainMatchResult(::testing::Pointee(::testing::get<1>(arg)), + ::testing::get<0>(arg), result_listener); +} + +TEST(PointwiseTest, WorksWithMoveOnly) { + ContainerHelper helper; + EXPECT_CALL(helper, Call(Pointwise(PointeeEquals(), std::vector<int>{1, 2}))); + helper.Call(MakeUniquePtrs({1, 2})); +} + +TEST(UnorderedPointwiseTest, DescribesSelf) { + vector<int> rhs; + rhs.push_back(1); + rhs.push_back(2); + rhs.push_back(3); + const Matcher<const vector<int>&> m = UnorderedPointwise(IsHalfOf(), rhs); + EXPECT_EQ( + "has 3 elements and there exists some permutation of elements such " + "that:\n" + " - element #0 and 1 are a pair where the first is half of the second, " + "and\n" + " - element #1 and 2 are a pair where the first is half of the second, " + "and\n" + " - element #2 and 3 are a pair where the first is half of the second", + Describe(m)); + EXPECT_EQ( + "doesn't have 3 elements, or there exists no permutation of elements " + "such that:\n" + " - element #0 and 1 are a pair where the first is half of the second, " + "and\n" + " - element #1 and 2 are a pair where the first is half of the second, " + "and\n" + " - element #2 and 3 are a pair where the first is half of the second", + DescribeNegation(m)); +} + +TEST(UnorderedPointwiseTest, MakesCopyOfRhs) { + list<signed char> rhs; + rhs.push_back(2); + rhs.push_back(4); + + int lhs[] = {2, 1}; + const Matcher<const int(&)[2]> m = UnorderedPointwise(IsHalfOf(), rhs); + EXPECT_THAT(lhs, m); + + // Changing rhs now shouldn't affect m, which made a copy of rhs. + rhs.push_back(6); + EXPECT_THAT(lhs, m); +} + +TEST(UnorderedPointwiseTest, WorksForLhsNativeArray) { + const int lhs[] = {1, 2, 3}; + vector<int> rhs; + rhs.push_back(4); + rhs.push_back(6); + rhs.push_back(2); + EXPECT_THAT(lhs, UnorderedPointwise(Lt(), rhs)); + EXPECT_THAT(lhs, Not(UnorderedPointwise(Gt(), rhs))); +} + +TEST(UnorderedPointwiseTest, WorksForRhsNativeArray) { + const int rhs[] = {1, 2, 3}; + vector<int> lhs; + lhs.push_back(4); + lhs.push_back(2); + lhs.push_back(6); + EXPECT_THAT(lhs, UnorderedPointwise(Gt(), rhs)); + EXPECT_THAT(lhs, Not(UnorderedPointwise(Lt(), rhs))); +} + +TEST(UnorderedPointwiseTest, WorksForRhsInitializerList) { + const vector<int> lhs{2, 4, 6}; + EXPECT_THAT(lhs, UnorderedPointwise(Gt(), {5, 1, 3})); + EXPECT_THAT(lhs, Not(UnorderedPointwise(Lt(), {1, 1, 7}))); +} + +TEST(UnorderedPointwiseTest, RejectsWrongSize) { + const double lhs[2] = {1, 2}; + const int rhs[1] = {0}; + EXPECT_THAT(lhs, Not(UnorderedPointwise(Gt(), rhs))); + EXPECT_EQ("which has 2 elements", + Explain(UnorderedPointwise(Gt(), rhs), lhs)); + + const int rhs2[3] = {0, 1, 2}; + EXPECT_THAT(lhs, Not(UnorderedPointwise(Gt(), rhs2))); +} + +TEST(UnorderedPointwiseTest, RejectsWrongContent) { + const double lhs[3] = {1, 2, 3}; + const int rhs[3] = {2, 6, 6}; + EXPECT_THAT(lhs, Not(UnorderedPointwise(IsHalfOf(), rhs))); + EXPECT_EQ( + "where the following elements don't match any matchers:\n" + "element #1: 2", + Explain(UnorderedPointwise(IsHalfOf(), rhs), lhs)); +} + +TEST(UnorderedPointwiseTest, AcceptsCorrectContentInSameOrder) { + const double lhs[3] = {1, 2, 3}; + const int rhs[3] = {2, 4, 6}; + EXPECT_THAT(lhs, UnorderedPointwise(IsHalfOf(), rhs)); +} + +TEST(UnorderedPointwiseTest, AcceptsCorrectContentInDifferentOrder) { + const double lhs[3] = {1, 2, 3}; + const int rhs[3] = {6, 4, 2}; + EXPECT_THAT(lhs, UnorderedPointwise(IsHalfOf(), rhs)); +} + +TEST(UnorderedPointwiseTest, AllowsMonomorphicInnerMatcher) { + const double lhs[3] = {1, 2, 3}; + const int rhs[3] = {4, 6, 2}; + const Matcher<std::tuple<const double&, const int&>> m1 = IsHalfOf(); + EXPECT_THAT(lhs, UnorderedPointwise(m1, rhs)); + + // This type works as a std::tuple<const double&, const int&> can be + // implicitly cast to std::tuple<double, int>. + const Matcher<std::tuple<double, int>> m2 = IsHalfOf(); + EXPECT_THAT(lhs, UnorderedPointwise(m2, rhs)); +} + +TEST(UnorderedPointwiseTest, WorksWithMoveOnly) { + ContainerHelper helper; + EXPECT_CALL(helper, Call(UnorderedPointwise(PointeeEquals(), + std::vector<int>{1, 2}))); + helper.Call(MakeUniquePtrs({2, 1})); +} + +TEST(PointeeTest, WorksOnMoveOnlyType) { + std::unique_ptr<int> p(new int(3)); + EXPECT_THAT(p, Pointee(Eq(3))); + EXPECT_THAT(p, Not(Pointee(Eq(2)))); +} + +class PredicateFormatterFromMatcherTest : public ::testing::Test { + protected: + enum Behavior { kInitialSuccess, kAlwaysFail, kFlaky }; + + // A matcher that can return different results when used multiple times on the + // same input. No real matcher should do this; but this lets us test that we + // detect such behavior and fail appropriately. + class MockMatcher : public MatcherInterface<Behavior> { + public: + bool MatchAndExplain(Behavior behavior, + MatchResultListener* listener) const override { + *listener << "[MatchAndExplain]"; + switch (behavior) { + case kInitialSuccess: + // The first call to MatchAndExplain should use a "not interested" + // listener; so this is expected to return |true|. There should be no + // subsequent calls. + return !listener->IsInterested(); + + case kAlwaysFail: + return false; + + case kFlaky: + // The first call to MatchAndExplain should use a "not interested" + // listener; so this will return |false|. Subsequent calls should have + // an "interested" listener; so this will return |true|, thus + // simulating a flaky matcher. + return listener->IsInterested(); + } + + GTEST_LOG_(FATAL) << "This should never be reached"; + return false; + } + + void DescribeTo(ostream* os) const override { *os << "[DescribeTo]"; } + + void DescribeNegationTo(ostream* os) const override { + *os << "[DescribeNegationTo]"; + } + }; + + AssertionResult RunPredicateFormatter(Behavior behavior) { + auto matcher = MakeMatcher(new MockMatcher); + PredicateFormatterFromMatcher<Matcher<Behavior>> predicate_formatter( + matcher); + return predicate_formatter("dummy-name", behavior); + } +}; + +TEST_F(PredicateFormatterFromMatcherTest, ShortCircuitOnSuccess) { + AssertionResult result = RunPredicateFormatter(kInitialSuccess); + EXPECT_TRUE(result); // Implicit cast to bool. + std::string expect; + EXPECT_EQ(expect, result.message()); +} + +TEST_F(PredicateFormatterFromMatcherTest, NoShortCircuitOnFailure) { + AssertionResult result = RunPredicateFormatter(kAlwaysFail); + EXPECT_FALSE(result); // Implicit cast to bool. + std::string expect = + "Value of: dummy-name\nExpected: [DescribeTo]\n" + " Actual: 1" + + OfType(internal::GetTypeName<Behavior>()) + ", [MatchAndExplain]"; + EXPECT_EQ(expect, result.message()); +} + +TEST_F(PredicateFormatterFromMatcherTest, DetectsFlakyShortCircuit) { + AssertionResult result = RunPredicateFormatter(kFlaky); + EXPECT_FALSE(result); // Implicit cast to bool. + std::string expect = + "Value of: dummy-name\nExpected: [DescribeTo]\n" + " The matcher failed on the initial attempt; but passed when rerun to " + "generate the explanation.\n" + " Actual: 2" + + OfType(internal::GetTypeName<Behavior>()) + ", [MatchAndExplain]"; + EXPECT_EQ(expect, result.message()); +} + +// Tests for ElementsAre(). + +TEST(ElementsAreTest, CanDescribeExpectingNoElement) { + Matcher<const vector<int>&> m = ElementsAre(); + EXPECT_EQ("is empty", Describe(m)); +} + +TEST(ElementsAreTest, CanDescribeExpectingOneElement) { + Matcher<vector<int>> m = ElementsAre(Gt(5)); + EXPECT_EQ("has 1 element that is > 5", Describe(m)); +} + +TEST(ElementsAreTest, CanDescribeExpectingManyElements) { + Matcher<list<std::string>> m = ElementsAre(StrEq("one"), "two"); + EXPECT_EQ( + "has 2 elements where\n" + "element #0 is equal to \"one\",\n" + "element #1 is equal to \"two\"", + Describe(m)); +} + +TEST(ElementsAreTest, CanDescribeNegationOfExpectingNoElement) { + Matcher<vector<int>> m = ElementsAre(); + EXPECT_EQ("isn't empty", DescribeNegation(m)); +} + +TEST(ElementsAreTest, CanDescribeNegationOfExpectingOneElement) { + Matcher<const list<int>&> m = ElementsAre(Gt(5)); + EXPECT_EQ( + "doesn't have 1 element, or\n" + "element #0 isn't > 5", + DescribeNegation(m)); +} + +TEST(ElementsAreTest, CanDescribeNegationOfExpectingManyElements) { + Matcher<const list<std::string>&> m = ElementsAre("one", "two"); + EXPECT_EQ( + "doesn't have 2 elements, or\n" + "element #0 isn't equal to \"one\", or\n" + "element #1 isn't equal to \"two\"", + DescribeNegation(m)); +} + +TEST(ElementsAreTest, DoesNotExplainTrivialMatch) { + Matcher<const list<int>&> m = ElementsAre(1, Ne(2)); + + list<int> test_list; + test_list.push_back(1); + test_list.push_back(3); + EXPECT_EQ("", Explain(m, test_list)); // No need to explain anything. +} + +TEST_P(ElementsAreTestP, ExplainsNonTrivialMatch) { + Matcher<const vector<int>&> m = + ElementsAre(GreaterThan(1), 0, GreaterThan(2)); + + const int a[] = {10, 0, 100}; + vector<int> test_vector(std::begin(a), std::end(a)); + EXPECT_EQ( + "whose element #0 matches, which is 9 more than 1,\n" + "and whose element #2 matches, which is 98 more than 2", + Explain(m, test_vector)); +} + +TEST(ElementsAreTest, CanExplainMismatchWrongSize) { + Matcher<const list<int>&> m = ElementsAre(1, 3); + + list<int> test_list; + // No need to explain when the container is empty. + EXPECT_EQ("", Explain(m, test_list)); + + test_list.push_back(1); + EXPECT_EQ("which has 1 element", Explain(m, test_list)); +} + +TEST_P(ElementsAreTestP, CanExplainMismatchRightSize) { + Matcher<const vector<int>&> m = ElementsAre(1, GreaterThan(5)); + + vector<int> v; + v.push_back(2); + v.push_back(1); + EXPECT_EQ("whose element #0 doesn't match", Explain(m, v)); + + v[0] = 1; + EXPECT_EQ("whose element #1 doesn't match, which is 4 less than 5", + Explain(m, v)); +} + +TEST(ElementsAreTest, MatchesOneElementVector) { + vector<std::string> test_vector; + test_vector.push_back("test string"); + + EXPECT_THAT(test_vector, ElementsAre(StrEq("test string"))); +} + +TEST(ElementsAreTest, MatchesOneElementList) { + list<std::string> test_list; + test_list.push_back("test string"); + + EXPECT_THAT(test_list, ElementsAre("test string")); +} + +TEST(ElementsAreTest, MatchesThreeElementVector) { + vector<std::string> test_vector; + test_vector.push_back("one"); + test_vector.push_back("two"); + test_vector.push_back("three"); + + EXPECT_THAT(test_vector, ElementsAre("one", StrEq("two"), _)); +} + +TEST(ElementsAreTest, MatchesOneElementEqMatcher) { + vector<int> test_vector; + test_vector.push_back(4); + + EXPECT_THAT(test_vector, ElementsAre(Eq(4))); +} + +TEST(ElementsAreTest, MatchesOneElementAnyMatcher) { + vector<int> test_vector; + test_vector.push_back(4); + + EXPECT_THAT(test_vector, ElementsAre(_)); +} + +TEST(ElementsAreTest, MatchesOneElementValue) { + vector<int> test_vector; + test_vector.push_back(4); + + EXPECT_THAT(test_vector, ElementsAre(4)); +} + +TEST(ElementsAreTest, MatchesThreeElementsMixedMatchers) { + vector<int> test_vector; + test_vector.push_back(1); + test_vector.push_back(2); + test_vector.push_back(3); + + EXPECT_THAT(test_vector, ElementsAre(1, Eq(2), _)); +} + +TEST(ElementsAreTest, MatchesTenElementVector) { + const int a[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; + vector<int> test_vector(std::begin(a), std::end(a)); + + EXPECT_THAT(test_vector, + // The element list can contain values and/or matchers + // of different types. + ElementsAre(0, Ge(0), _, 3, 4, Ne(2), Eq(6), 7, 8, _)); +} + +TEST(ElementsAreTest, DoesNotMatchWrongSize) { + vector<std::string> test_vector; + test_vector.push_back("test string"); + test_vector.push_back("test string"); + + Matcher<vector<std::string>> m = ElementsAre(StrEq("test string")); + EXPECT_FALSE(m.Matches(test_vector)); +} + +TEST(ElementsAreTest, DoesNotMatchWrongValue) { + vector<std::string> test_vector; + test_vector.push_back("other string"); + + Matcher<vector<std::string>> m = ElementsAre(StrEq("test string")); + EXPECT_FALSE(m.Matches(test_vector)); +} + +TEST(ElementsAreTest, DoesNotMatchWrongOrder) { + vector<std::string> test_vector; + test_vector.push_back("one"); + test_vector.push_back("three"); + test_vector.push_back("two"); + + Matcher<vector<std::string>> m = + ElementsAre(StrEq("one"), StrEq("two"), StrEq("three")); + EXPECT_FALSE(m.Matches(test_vector)); +} + +TEST(ElementsAreTest, WorksForNestedContainer) { + constexpr std::array<const char*, 2> strings = {{"Hi", "world"}}; + + vector<list<char>> nested; + for (const auto& s : strings) { + nested.emplace_back(s, s + strlen(s)); + } + + EXPECT_THAT(nested, ElementsAre(ElementsAre('H', Ne('e')), + ElementsAre('w', 'o', _, _, 'd'))); + EXPECT_THAT(nested, Not(ElementsAre(ElementsAre('H', 'e'), + ElementsAre('w', 'o', _, _, 'd')))); +} + +TEST(ElementsAreTest, WorksWithByRefElementMatchers) { + int a[] = {0, 1, 2}; + vector<int> v(std::begin(a), std::end(a)); + + EXPECT_THAT(v, ElementsAre(Ref(v[0]), Ref(v[1]), Ref(v[2]))); + EXPECT_THAT(v, Not(ElementsAre(Ref(v[0]), Ref(v[1]), Ref(a[2])))); +} + +TEST(ElementsAreTest, WorksWithContainerPointerUsingPointee) { + int a[] = {0, 1, 2}; + vector<int> v(std::begin(a), std::end(a)); + + EXPECT_THAT(&v, Pointee(ElementsAre(0, 1, _))); + EXPECT_THAT(&v, Not(Pointee(ElementsAre(0, _, 3)))); +} + +TEST(ElementsAreTest, WorksWithNativeArrayPassedByReference) { + int array[] = {0, 1, 2}; + EXPECT_THAT(array, ElementsAre(0, 1, _)); + EXPECT_THAT(array, Not(ElementsAre(1, _, _))); + EXPECT_THAT(array, Not(ElementsAre(0, _))); +} + +class NativeArrayPassedAsPointerAndSize { + public: + NativeArrayPassedAsPointerAndSize() = default; + + MOCK_METHOD(void, Helper, (int* array, int size)); + + private: + NativeArrayPassedAsPointerAndSize(const NativeArrayPassedAsPointerAndSize&) = + delete; + NativeArrayPassedAsPointerAndSize& operator=( + const NativeArrayPassedAsPointerAndSize&) = delete; +}; + +TEST(ElementsAreTest, WorksWithNativeArrayPassedAsPointerAndSize) { + int array[] = {0, 1}; + ::std::tuple<int*, size_t> array_as_tuple(array, 2); + EXPECT_THAT(array_as_tuple, ElementsAre(0, 1)); + EXPECT_THAT(array_as_tuple, Not(ElementsAre(0))); + + NativeArrayPassedAsPointerAndSize helper; + EXPECT_CALL(helper, Helper(_, _)).With(ElementsAre(0, 1)); + helper.Helper(array, 2); +} + +TEST(ElementsAreTest, WorksWithTwoDimensionalNativeArray) { + const char a2[][3] = {"hi", "lo"}; + EXPECT_THAT(a2, ElementsAre(ElementsAre('h', 'i', '\0'), + ElementsAre('l', 'o', '\0'))); + EXPECT_THAT(a2, ElementsAre(StrEq("hi"), StrEq("lo"))); + EXPECT_THAT(a2, ElementsAre(Not(ElementsAre('h', 'o', '\0')), + ElementsAre('l', 'o', '\0'))); +} + +TEST(ElementsAreTest, AcceptsStringLiteral) { + std::string array[] = {"hi", "one", "two"}; + EXPECT_THAT(array, ElementsAre("hi", "one", "two")); + EXPECT_THAT(array, Not(ElementsAre("hi", "one", "too"))); +} + +// Declared here with the size unknown. Defined AFTER the following test. +extern const char kHi[]; + +TEST(ElementsAreTest, AcceptsArrayWithUnknownSize) { + // The size of kHi is not known in this test, but ElementsAre() should + // still accept it. + + std::string array1[] = {"hi"}; + EXPECT_THAT(array1, ElementsAre(kHi)); + + std::string array2[] = {"ho"}; + EXPECT_THAT(array2, Not(ElementsAre(kHi))); +} + +const char kHi[] = "hi"; + +TEST(ElementsAreTest, MakesCopyOfArguments) { + int x = 1; + int y = 2; + // This should make a copy of x and y. + ::testing::internal::ElementsAreMatcher<std::tuple<int, int>> + polymorphic_matcher = ElementsAre(x, y); + // Changing x and y now shouldn't affect the meaning of the above matcher. + x = y = 0; + const int array1[] = {1, 2}; + EXPECT_THAT(array1, polymorphic_matcher); + const int array2[] = {0, 0}; + EXPECT_THAT(array2, Not(polymorphic_matcher)); +} + +// Tests for ElementsAreArray(). Since ElementsAreArray() shares most +// of the implementation with ElementsAre(), we don't test it as +// thoroughly here. + +TEST(ElementsAreArrayTest, CanBeCreatedWithValueArray) { + const int a[] = {1, 2, 3}; + + vector<int> test_vector(std::begin(a), std::end(a)); + EXPECT_THAT(test_vector, ElementsAreArray(a)); + + test_vector[2] = 0; + EXPECT_THAT(test_vector, Not(ElementsAreArray(a))); +} + +TEST(ElementsAreArrayTest, CanBeCreatedWithArraySize) { + std::array<const char*, 3> a = {{"one", "two", "three"}}; + + vector<std::string> test_vector(std::begin(a), std::end(a)); + EXPECT_THAT(test_vector, ElementsAreArray(a.data(), a.size())); + + const char** p = a.data(); + test_vector[0] = "1"; + EXPECT_THAT(test_vector, Not(ElementsAreArray(p, a.size()))); +} + +TEST(ElementsAreArrayTest, CanBeCreatedWithoutArraySize) { + const char* a[] = {"one", "two", "three"}; + + vector<std::string> test_vector(std::begin(a), std::end(a)); + EXPECT_THAT(test_vector, ElementsAreArray(a)); + + test_vector[0] = "1"; + EXPECT_THAT(test_vector, Not(ElementsAreArray(a))); +} + +TEST(ElementsAreArrayTest, CanBeCreatedWithMatcherArray) { + const Matcher<std::string> kMatcherArray[] = {StrEq("one"), StrEq("two"), + StrEq("three")}; + + vector<std::string> test_vector; + test_vector.push_back("one"); + test_vector.push_back("two"); + test_vector.push_back("three"); + EXPECT_THAT(test_vector, ElementsAreArray(kMatcherArray)); + + test_vector.push_back("three"); + EXPECT_THAT(test_vector, Not(ElementsAreArray(kMatcherArray))); +} + +TEST(ElementsAreArrayTest, CanBeCreatedWithVector) { + const int a[] = {1, 2, 3}; + vector<int> test_vector(std::begin(a), std::end(a)); + const vector<int> expected(std::begin(a), std::end(a)); + EXPECT_THAT(test_vector, ElementsAreArray(expected)); + test_vector.push_back(4); + EXPECT_THAT(test_vector, Not(ElementsAreArray(expected))); +} + +TEST(ElementsAreArrayTest, TakesInitializerList) { + const int a[5] = {1, 2, 3, 4, 5}; + EXPECT_THAT(a, ElementsAreArray({1, 2, 3, 4, 5})); + EXPECT_THAT(a, Not(ElementsAreArray({1, 2, 3, 5, 4}))); + EXPECT_THAT(a, Not(ElementsAreArray({1, 2, 3, 4, 6}))); +} + +TEST(ElementsAreArrayTest, TakesInitializerListOfCStrings) { + const std::string a[5] = {"a", "b", "c", "d", "e"}; + EXPECT_THAT(a, ElementsAreArray({"a", "b", "c", "d", "e"})); + EXPECT_THAT(a, Not(ElementsAreArray({"a", "b", "c", "e", "d"}))); + EXPECT_THAT(a, Not(ElementsAreArray({"a", "b", "c", "d", "ef"}))); +} + +TEST(ElementsAreArrayTest, TakesInitializerListOfSameTypedMatchers) { + const int a[5] = {1, 2, 3, 4, 5}; + EXPECT_THAT(a, ElementsAreArray({Eq(1), Eq(2), Eq(3), Eq(4), Eq(5)})); + EXPECT_THAT(a, Not(ElementsAreArray({Eq(1), Eq(2), Eq(3), Eq(4), Eq(6)}))); +} + +TEST(ElementsAreArrayTest, TakesInitializerListOfDifferentTypedMatchers) { + const int a[5] = {1, 2, 3, 4, 5}; + // The compiler cannot infer the type of the initializer list if its + // elements have different types. We must explicitly specify the + // unified element type in this case. + EXPECT_THAT( + a, ElementsAreArray<Matcher<int>>({Eq(1), Ne(-2), Ge(3), Le(4), Eq(5)})); + EXPECT_THAT(a, Not(ElementsAreArray<Matcher<int>>( + {Eq(1), Ne(-2), Ge(3), Le(4), Eq(6)}))); +} + +TEST(ElementsAreArrayTest, CanBeCreatedWithMatcherVector) { + const int a[] = {1, 2, 3}; + const Matcher<int> kMatchers[] = {Eq(1), Eq(2), Eq(3)}; + vector<int> test_vector(std::begin(a), std::end(a)); + const vector<Matcher<int>> expected(std::begin(kMatchers), + std::end(kMatchers)); + EXPECT_THAT(test_vector, ElementsAreArray(expected)); + test_vector.push_back(4); + EXPECT_THAT(test_vector, Not(ElementsAreArray(expected))); +} + +TEST(ElementsAreArrayTest, CanBeCreatedWithIteratorRange) { + const int a[] = {1, 2, 3}; + const vector<int> test_vector(std::begin(a), std::end(a)); + const vector<int> expected(std::begin(a), std::end(a)); + EXPECT_THAT(test_vector, ElementsAreArray(expected.begin(), expected.end())); + // Pointers are iterators, too. + EXPECT_THAT(test_vector, ElementsAreArray(std::begin(a), std::end(a))); + // The empty range of NULL pointers should also be okay. + int* const null_int = nullptr; + EXPECT_THAT(test_vector, Not(ElementsAreArray(null_int, null_int))); + EXPECT_THAT((vector<int>()), ElementsAreArray(null_int, null_int)); +} + +// Since ElementsAre() and ElementsAreArray() share much of the +// implementation, we only do a test for native arrays here. +TEST(ElementsAreArrayTest, WorksWithNativeArray) { + ::std::string a[] = {"hi", "ho"}; + ::std::string b[] = {"hi", "ho"}; + + EXPECT_THAT(a, ElementsAreArray(b)); + EXPECT_THAT(a, ElementsAreArray(b, 2)); + EXPECT_THAT(a, Not(ElementsAreArray(b, 1))); +} + +TEST(ElementsAreArrayTest, SourceLifeSpan) { + const int a[] = {1, 2, 3}; + vector<int> test_vector(std::begin(a), std::end(a)); + vector<int> expect(std::begin(a), std::end(a)); + ElementsAreArrayMatcher<int> matcher_maker = + ElementsAreArray(expect.begin(), expect.end()); + EXPECT_THAT(test_vector, matcher_maker); + // Changing in place the values that initialized matcher_maker should not + // affect matcher_maker anymore. It should have made its own copy of them. + for (int& i : expect) { + i += 10; + } + EXPECT_THAT(test_vector, matcher_maker); + test_vector.push_back(3); + EXPECT_THAT(test_vector, Not(matcher_maker)); +} + +// Tests Contains(). + +INSTANTIATE_GTEST_MATCHER_TEST_P(ContainsTest); + +TEST(ContainsTest, ListMatchesWhenElementIsInContainer) { + list<int> some_list; + some_list.push_back(3); + some_list.push_back(1); + some_list.push_back(2); + some_list.push_back(3); + EXPECT_THAT(some_list, Contains(1)); + EXPECT_THAT(some_list, Contains(Gt(2.5))); + EXPECT_THAT(some_list, Contains(Eq(2.0f))); + + list<std::string> another_list; + another_list.push_back("fee"); + another_list.push_back("fie"); + another_list.push_back("foe"); + another_list.push_back("fum"); + EXPECT_THAT(another_list, Contains(std::string("fee"))); +} + +TEST(ContainsTest, ListDoesNotMatchWhenElementIsNotInContainer) { + list<int> some_list; + some_list.push_back(3); + some_list.push_back(1); + EXPECT_THAT(some_list, Not(Contains(4))); +} + +TEST(ContainsTest, SetMatchesWhenElementIsInContainer) { + set<int> some_set; + some_set.insert(3); + some_set.insert(1); + some_set.insert(2); + EXPECT_THAT(some_set, Contains(Eq(1.0))); + EXPECT_THAT(some_set, Contains(Eq(3.0f))); + EXPECT_THAT(some_set, Contains(2)); + + set<std::string> another_set; + another_set.insert("fee"); + another_set.insert("fie"); + another_set.insert("foe"); + another_set.insert("fum"); + EXPECT_THAT(another_set, Contains(Eq(std::string("fum")))); +} + +TEST(ContainsTest, SetDoesNotMatchWhenElementIsNotInContainer) { + set<int> some_set; + some_set.insert(3); + some_set.insert(1); + EXPECT_THAT(some_set, Not(Contains(4))); + + set<std::string> c_string_set; + c_string_set.insert("hello"); + EXPECT_THAT(c_string_set, Not(Contains(std::string("goodbye")))); +} + +TEST_P(ContainsTestP, ExplainsMatchResultCorrectly) { + const int a[2] = {1, 2}; + Matcher<const int(&)[2]> m = Contains(2); + EXPECT_EQ("whose element #1 matches", Explain(m, a)); + + m = Contains(3); + EXPECT_EQ("", Explain(m, a)); + + m = Contains(GreaterThan(0)); + EXPECT_EQ("whose element #0 matches, which is 1 more than 0", Explain(m, a)); + + m = Contains(GreaterThan(10)); + EXPECT_EQ("", Explain(m, a)); +} + +TEST(ContainsTest, DescribesItselfCorrectly) { + Matcher<vector<int>> m = Contains(1); + EXPECT_EQ("contains at least one element that is equal to 1", Describe(m)); + + Matcher<vector<int>> m2 = Not(m); + EXPECT_EQ("doesn't contain any element that is equal to 1", Describe(m2)); +} + +TEST(ContainsTest, MapMatchesWhenElementIsInContainer) { + map<std::string, int> my_map; + const char* bar = "a string"; + my_map[bar] = 2; + EXPECT_THAT(my_map, Contains(pair<const char* const, int>(bar, 2))); + + map<std::string, int> another_map; + another_map["fee"] = 1; + another_map["fie"] = 2; + another_map["foe"] = 3; + another_map["fum"] = 4; + EXPECT_THAT(another_map, + Contains(pair<const std::string, int>(std::string("fee"), 1))); + EXPECT_THAT(another_map, Contains(pair<const std::string, int>("fie", 2))); +} + +TEST(ContainsTest, MapDoesNotMatchWhenElementIsNotInContainer) { + map<int, int> some_map; + some_map[1] = 11; + some_map[2] = 22; + EXPECT_THAT(some_map, Not(Contains(pair<const int, int>(2, 23)))); +} + +TEST(ContainsTest, ArrayMatchesWhenElementIsInContainer) { + const char* string_array[] = {"fee", "fie", "foe", "fum"}; + EXPECT_THAT(string_array, Contains(Eq(std::string("fum")))); +} + +TEST(ContainsTest, ArrayDoesNotMatchWhenElementIsNotInContainer) { + int int_array[] = {1, 2, 3, 4}; + EXPECT_THAT(int_array, Not(Contains(5))); +} + +TEST(ContainsTest, AcceptsMatcher) { + const int a[] = {1, 2, 3}; + EXPECT_THAT(a, Contains(Gt(2))); + EXPECT_THAT(a, Not(Contains(Gt(4)))); +} + +TEST(ContainsTest, WorksForNativeArrayAsTuple) { + const int a[] = {1, 2}; + const int* const pointer = a; + EXPECT_THAT(std::make_tuple(pointer, 2), Contains(1)); + EXPECT_THAT(std::make_tuple(pointer, 2), Not(Contains(Gt(3)))); +} + +TEST(ContainsTest, WorksForTwoDimensionalNativeArray) { + int a[][3] = {{1, 2, 3}, {4, 5, 6}}; + EXPECT_THAT(a, Contains(ElementsAre(4, 5, 6))); + EXPECT_THAT(a, Contains(Contains(5))); + EXPECT_THAT(a, Not(Contains(ElementsAre(3, 4, 5)))); + EXPECT_THAT(a, Contains(Not(Contains(5)))); +} + +} // namespace +} // namespace gmock_matchers_test +} // namespace testing + +GTEST_DISABLE_MSC_WARNINGS_POP_() // 4244 4100 diff --git a/googlemock/test/gmock-matchers-misc_test.cc b/googlemock/test/gmock-matchers-misc_test.cc new file mode 100644 index 000000000000..b8f64587db14 --- /dev/null +++ b/googlemock/test/gmock-matchers-misc_test.cc @@ -0,0 +1,1823 @@ +// Copyright 2007, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Google Mock - a framework for writing C++ mock classes. +// +// This file tests some commonly used argument matchers. + +#include <array> +#include <memory> +#include <ostream> +#include <string> +#include <tuple> +#include <utility> +#include <vector> + +#include "gtest/gtest.h" + +// Silence warning C4244: 'initializing': conversion from 'int' to 'short', +// possible loss of data and C4100, unreferenced local parameter +GTEST_DISABLE_MSC_WARNINGS_PUSH_(4244 4100) + +#include "test/gmock-matchers_test.h" + +namespace testing { +namespace gmock_matchers_test { +namespace { + +TEST(AddressTest, NonConst) { + int n = 1; + const Matcher<int> m = Address(Eq(&n)); + + EXPECT_TRUE(m.Matches(n)); + + int other = 5; + + EXPECT_FALSE(m.Matches(other)); + + int& n_ref = n; + + EXPECT_TRUE(m.Matches(n_ref)); +} + +TEST(AddressTest, Const) { + const int n = 1; + const Matcher<int> m = Address(Eq(&n)); + + EXPECT_TRUE(m.Matches(n)); + + int other = 5; + + EXPECT_FALSE(m.Matches(other)); +} + +TEST(AddressTest, MatcherDoesntCopy) { + std::unique_ptr<int> n(new int(1)); + const Matcher<std::unique_ptr<int>> m = Address(Eq(&n)); + + EXPECT_TRUE(m.Matches(n)); +} + +TEST(AddressTest, Describe) { + Matcher<int> matcher = Address(_); + EXPECT_EQ("has address that is anything", Describe(matcher)); + EXPECT_EQ("does not have address that is anything", + DescribeNegation(matcher)); +} + +// The following two tests verify that values without a public copy +// ctor can be used as arguments to matchers like Eq(), Ge(), and etc +// with the help of ByRef(). + +class NotCopyable { + public: + explicit NotCopyable(int a_value) : value_(a_value) {} + + int value() const { return value_; } + + bool operator==(const NotCopyable& rhs) const { + return value() == rhs.value(); + } + + bool operator>=(const NotCopyable& rhs) const { + return value() >= rhs.value(); + } + + private: + int value_; + + NotCopyable(const NotCopyable&) = delete; + NotCopyable& operator=(const NotCopyable&) = delete; +}; + +TEST(ByRefTest, AllowsNotCopyableConstValueInMatchers) { + const NotCopyable const_value1(1); + const Matcher<const NotCopyable&> m = Eq(ByRef(const_value1)); + + const NotCopyable n1(1), n2(2); + EXPECT_TRUE(m.Matches(n1)); + EXPECT_FALSE(m.Matches(n2)); +} + +TEST(ByRefTest, AllowsNotCopyableValueInMatchers) { + NotCopyable value2(2); + const Matcher<NotCopyable&> m = Ge(ByRef(value2)); + + NotCopyable n1(1), n2(2); + EXPECT_FALSE(m.Matches(n1)); + EXPECT_TRUE(m.Matches(n2)); +} + +TEST(IsEmptyTest, ImplementsIsEmpty) { + vector<int> container; + EXPECT_THAT(container, IsEmpty()); + container.push_back(0); + EXPECT_THAT(container, Not(IsEmpty())); + container.push_back(1); + EXPECT_THAT(container, Not(IsEmpty())); +} + +TEST(IsEmptyTest, WorksWithString) { + std::string text; + EXPECT_THAT(text, IsEmpty()); + text = "foo"; + EXPECT_THAT(text, Not(IsEmpty())); + text = std::string("\0", 1); + EXPECT_THAT(text, Not(IsEmpty())); +} + +TEST(IsEmptyTest, CanDescribeSelf) { + Matcher<vector<int>> m = IsEmpty(); + EXPECT_EQ("is empty", Describe(m)); + EXPECT_EQ("isn't empty", DescribeNegation(m)); +} + +TEST(IsEmptyTest, ExplainsResult) { + Matcher<vector<int>> m = IsEmpty(); + vector<int> container; + EXPECT_EQ("", Explain(m, container)); + container.push_back(0); + EXPECT_EQ("whose size is 1", Explain(m, container)); +} + +TEST(IsEmptyTest, WorksWithMoveOnly) { + ContainerHelper helper; + EXPECT_CALL(helper, Call(IsEmpty())); + helper.Call({}); +} + +TEST(IsTrueTest, IsTrueIsFalse) { + EXPECT_THAT(true, IsTrue()); + EXPECT_THAT(false, IsFalse()); + EXPECT_THAT(true, Not(IsFalse())); + EXPECT_THAT(false, Not(IsTrue())); + EXPECT_THAT(0, Not(IsTrue())); + EXPECT_THAT(0, IsFalse()); + EXPECT_THAT(nullptr, Not(IsTrue())); + EXPECT_THAT(nullptr, IsFalse()); + EXPECT_THAT(-1, IsTrue()); + EXPECT_THAT(-1, Not(IsFalse())); + EXPECT_THAT(1, IsTrue()); + EXPECT_THAT(1, Not(IsFalse())); + EXPECT_THAT(2, IsTrue()); + EXPECT_THAT(2, Not(IsFalse())); + int a = 42; + EXPECT_THAT(a, IsTrue()); + EXPECT_THAT(a, Not(IsFalse())); + EXPECT_THAT(&a, IsTrue()); + EXPECT_THAT(&a, Not(IsFalse())); + EXPECT_THAT(false, Not(IsTrue())); + EXPECT_THAT(true, Not(IsFalse())); + EXPECT_THAT(std::true_type(), IsTrue()); + EXPECT_THAT(std::true_type(), Not(IsFalse())); + EXPECT_THAT(std::false_type(), IsFalse()); + EXPECT_THAT(std::false_type(), Not(IsTrue())); + EXPECT_THAT(nullptr, Not(IsTrue())); + EXPECT_THAT(nullptr, IsFalse()); + std::unique_ptr<int> null_unique; + std::unique_ptr<int> nonnull_unique(new int(0)); + EXPECT_THAT(null_unique, Not(IsTrue())); + EXPECT_THAT(null_unique, IsFalse()); + EXPECT_THAT(nonnull_unique, IsTrue()); + EXPECT_THAT(nonnull_unique, Not(IsFalse())); +} + +#ifdef GTEST_HAS_TYPED_TEST +// Tests ContainerEq with different container types, and +// different element types. + +template <typename T> +class ContainerEqTest : public testing::Test {}; + +typedef testing::Types<set<int>, vector<size_t>, multiset<size_t>, list<int>> + ContainerEqTestTypes; + +TYPED_TEST_SUITE(ContainerEqTest, ContainerEqTestTypes); + +// Tests that the filled container is equal to itself. +TYPED_TEST(ContainerEqTest, EqualsSelf) { + static const int vals[] = {1, 1, 2, 3, 5, 8}; + TypeParam my_set(vals, vals + 6); + const Matcher<TypeParam> m = ContainerEq(my_set); + EXPECT_TRUE(m.Matches(my_set)); + EXPECT_EQ("", Explain(m, my_set)); +} + +// Tests that missing values are reported. +TYPED_TEST(ContainerEqTest, ValueMissing) { + static const int vals[] = {1, 1, 2, 3, 5, 8}; + static const int test_vals[] = {2, 1, 8, 5}; + TypeParam my_set(vals, vals + 6); + TypeParam test_set(test_vals, test_vals + 4); + const Matcher<TypeParam> m = ContainerEq(my_set); + EXPECT_FALSE(m.Matches(test_set)); + EXPECT_EQ("which doesn't have these expected elements: 3", + Explain(m, test_set)); +} + +// Tests that added values are reported. +TYPED_TEST(ContainerEqTest, ValueAdded) { + static const int vals[] = {1, 1, 2, 3, 5, 8}; + static const int test_vals[] = {1, 2, 3, 5, 8, 46}; + TypeParam my_set(vals, vals + 6); + TypeParam test_set(test_vals, test_vals + 6); + const Matcher<const TypeParam&> m = ContainerEq(my_set); + EXPECT_FALSE(m.Matches(test_set)); + EXPECT_EQ("which has these unexpected elements: 46", Explain(m, test_set)); +} + +// Tests that added and missing values are reported together. +TYPED_TEST(ContainerEqTest, ValueAddedAndRemoved) { + static const int vals[] = {1, 1, 2, 3, 5, 8}; + static const int test_vals[] = {1, 2, 3, 8, 46}; + TypeParam my_set(vals, vals + 6); + TypeParam test_set(test_vals, test_vals + 5); + const Matcher<TypeParam> m = ContainerEq(my_set); + EXPECT_FALSE(m.Matches(test_set)); + EXPECT_EQ( + "which has these unexpected elements: 46,\n" + "and doesn't have these expected elements: 5", + Explain(m, test_set)); +} + +// Tests duplicated value -- expect no explanation. +TYPED_TEST(ContainerEqTest, DuplicateDifference) { + static const int vals[] = {1, 1, 2, 3, 5, 8}; + static const int test_vals[] = {1, 2, 3, 5, 8}; + TypeParam my_set(vals, vals + 6); + TypeParam test_set(test_vals, test_vals + 5); + const Matcher<const TypeParam&> m = ContainerEq(my_set); + // Depending on the container, match may be true or false + // But in any case there should be no explanation. + EXPECT_EQ("", Explain(m, test_set)); +} +#endif // GTEST_HAS_TYPED_TEST + +// Tests that multiple missing values are reported. +// Using just vector here, so order is predictable. +TEST(ContainerEqExtraTest, MultipleValuesMissing) { + static const int vals[] = {1, 1, 2, 3, 5, 8}; + static const int test_vals[] = {2, 1, 5}; + vector<int> my_set(vals, vals + 6); + vector<int> test_set(test_vals, test_vals + 3); + const Matcher<vector<int>> m = ContainerEq(my_set); + EXPECT_FALSE(m.Matches(test_set)); + EXPECT_EQ("which doesn't have these expected elements: 3, 8", + Explain(m, test_set)); +} + +// Tests that added values are reported. +// Using just vector here, so order is predictable. +TEST(ContainerEqExtraTest, MultipleValuesAdded) { + static const int vals[] = {1, 1, 2, 3, 5, 8}; + static const int test_vals[] = {1, 2, 92, 3, 5, 8, 46}; + list<size_t> my_set(vals, vals + 6); + list<size_t> test_set(test_vals, test_vals + 7); + const Matcher<const list<size_t>&> m = ContainerEq(my_set); + EXPECT_FALSE(m.Matches(test_set)); + EXPECT_EQ("which has these unexpected elements: 92, 46", + Explain(m, test_set)); +} + +// Tests that added and missing values are reported together. +TEST(ContainerEqExtraTest, MultipleValuesAddedAndRemoved) { + static const int vals[] = {1, 1, 2, 3, 5, 8}; + static const int test_vals[] = {1, 2, 3, 92, 46}; + list<size_t> my_set(vals, vals + 6); + list<size_t> test_set(test_vals, test_vals + 5); + const Matcher<const list<size_t>> m = ContainerEq(my_set); + EXPECT_FALSE(m.Matches(test_set)); + EXPECT_EQ( + "which has these unexpected elements: 92, 46,\n" + "and doesn't have these expected elements: 5, 8", + Explain(m, test_set)); +} + +// Tests to see that duplicate elements are detected, +// but (as above) not reported in the explanation. +TEST(ContainerEqExtraTest, MultiSetOfIntDuplicateDifference) { + static const int vals[] = {1, 1, 2, 3, 5, 8}; + static const int test_vals[] = {1, 2, 3, 5, 8}; + vector<int> my_set(vals, vals + 6); + vector<int> test_set(test_vals, test_vals + 5); + const Matcher<vector<int>> m = ContainerEq(my_set); + EXPECT_TRUE(m.Matches(my_set)); + EXPECT_FALSE(m.Matches(test_set)); + // There is nothing to report when both sets contain all the same values. + EXPECT_EQ("", Explain(m, test_set)); +} + +// Tests that ContainerEq works for non-trivial associative containers, +// like maps. +TEST(ContainerEqExtraTest, WorksForMaps) { + map<int, std::string> my_map; + my_map[0] = "a"; + my_map[1] = "b"; + + map<int, std::string> test_map; + test_map[0] = "aa"; + test_map[1] = "b"; + + const Matcher<const map<int, std::string>&> m = ContainerEq(my_map); + EXPECT_TRUE(m.Matches(my_map)); + EXPECT_FALSE(m.Matches(test_map)); + + EXPECT_EQ( + "which has these unexpected elements: (0, \"aa\"),\n" + "and doesn't have these expected elements: (0, \"a\")", + Explain(m, test_map)); +} + +TEST(ContainerEqExtraTest, WorksForNativeArray) { + int a1[] = {1, 2, 3}; + int a2[] = {1, 2, 3}; + int b[] = {1, 2, 4}; + + EXPECT_THAT(a1, ContainerEq(a2)); + EXPECT_THAT(a1, Not(ContainerEq(b))); +} + +TEST(ContainerEqExtraTest, WorksForTwoDimensionalNativeArray) { + const char a1[][3] = {"hi", "lo"}; + const char a2[][3] = {"hi", "lo"}; + const char b[][3] = {"lo", "hi"}; + + // Tests using ContainerEq() in the first dimension. + EXPECT_THAT(a1, ContainerEq(a2)); + EXPECT_THAT(a1, Not(ContainerEq(b))); + + // Tests using ContainerEq() in the second dimension. + EXPECT_THAT(a1, ElementsAre(ContainerEq(a2[0]), ContainerEq(a2[1]))); + EXPECT_THAT(a1, ElementsAre(Not(ContainerEq(b[0])), ContainerEq(a2[1]))); +} + +TEST(ContainerEqExtraTest, WorksForNativeArrayAsTuple) { + const int a1[] = {1, 2, 3}; + const int a2[] = {1, 2, 3}; + const int b[] = {1, 2, 3, 4}; + + const int* const p1 = a1; + EXPECT_THAT(std::make_tuple(p1, 3), ContainerEq(a2)); + EXPECT_THAT(std::make_tuple(p1, 3), Not(ContainerEq(b))); + + const int c[] = {1, 3, 2}; + EXPECT_THAT(std::make_tuple(p1, 3), Not(ContainerEq(c))); +} + +TEST(ContainerEqExtraTest, CopiesNativeArrayParameter) { + std::string a1[][3] = {{"hi", "hello", "ciao"}, {"bye", "see you", "ciao"}}; + + std::string a2[][3] = {{"hi", "hello", "ciao"}, {"bye", "see you", "ciao"}}; + + const Matcher<const std::string(&)[2][3]> m = ContainerEq(a2); + EXPECT_THAT(a1, m); + + a2[0][0] = "ha"; + EXPECT_THAT(a1, m); +} + +namespace { + +// Used as a check on the more complex max flow method used in the +// real testing::internal::FindMaxBipartiteMatching. This method is +// compatible but runs in worst-case factorial time, so we only +// use it in testing for small problem sizes. +template <typename Graph> +class BacktrackingMaxBPMState { + public: + // Does not take ownership of 'g'. + explicit BacktrackingMaxBPMState(const Graph* g) : graph_(g) {} + + ElementMatcherPairs Compute() { + if (graph_->LhsSize() == 0 || graph_->RhsSize() == 0) { + return best_so_far_; + } + lhs_used_.assign(graph_->LhsSize(), kUnused); + rhs_used_.assign(graph_->RhsSize(), kUnused); + for (size_t irhs = 0; irhs < graph_->RhsSize(); ++irhs) { + matches_.clear(); + RecurseInto(irhs); + if (best_so_far_.size() == graph_->RhsSize()) break; + } + return best_so_far_; + } + + private: + static const size_t kUnused = static_cast<size_t>(-1); + + void PushMatch(size_t lhs, size_t rhs) { + matches_.push_back(ElementMatcherPair(lhs, rhs)); + lhs_used_[lhs] = rhs; + rhs_used_[rhs] = lhs; + if (matches_.size() > best_so_far_.size()) { + best_so_far_ = matches_; + } + } + + void PopMatch() { + const ElementMatcherPair& back = matches_.back(); + lhs_used_[back.first] = kUnused; + rhs_used_[back.second] = kUnused; + matches_.pop_back(); + } + + bool RecurseInto(size_t irhs) { + if (rhs_used_[irhs] != kUnused) { + return true; + } + for (size_t ilhs = 0; ilhs < graph_->LhsSize(); ++ilhs) { + if (lhs_used_[ilhs] != kUnused) { + continue; + } + if (!graph_->HasEdge(ilhs, irhs)) { + continue; + } + PushMatch(ilhs, irhs); + if (best_so_far_.size() == graph_->RhsSize()) { + return false; + } + for (size_t mi = irhs + 1; mi < graph_->RhsSize(); ++mi) { + if (!RecurseInto(mi)) return false; + } + PopMatch(); + } + return true; + } + + const Graph* graph_; // not owned + std::vector<size_t> lhs_used_; + std::vector<size_t> rhs_used_; + ElementMatcherPairs matches_; + ElementMatcherPairs best_so_far_; +}; + +template <typename Graph> +const size_t BacktrackingMaxBPMState<Graph>::kUnused; + +} // namespace + +// Implement a simple backtracking algorithm to determine if it is possible +// to find one element per matcher, without reusing elements. +template <typename Graph> +ElementMatcherPairs FindBacktrackingMaxBPM(const Graph& g) { + return BacktrackingMaxBPMState<Graph>(&g).Compute(); +} + +class BacktrackingBPMTest : public ::testing::Test {}; + +// Tests the MaxBipartiteMatching algorithm with square matrices. +// The single int param is the # of nodes on each of the left and right sides. +class BipartiteTest : public ::testing::TestWithParam<size_t> {}; + +// Verify all match graphs up to some moderate number of edges. +TEST_P(BipartiteTest, Exhaustive) { + size_t nodes = GetParam(); + MatchMatrix graph(nodes, nodes); + do { + ElementMatcherPairs matches = internal::FindMaxBipartiteMatching(graph); + EXPECT_EQ(FindBacktrackingMaxBPM(graph).size(), matches.size()) + << "graph: " << graph.DebugString(); + // Check that all elements of matches are in the graph. + // Check that elements of first and second are unique. + std::vector<bool> seen_element(graph.LhsSize()); + std::vector<bool> seen_matcher(graph.RhsSize()); + SCOPED_TRACE(PrintToString(matches)); + for (size_t i = 0; i < matches.size(); ++i) { + size_t ilhs = matches[i].first; + size_t irhs = matches[i].second; + EXPECT_TRUE(graph.HasEdge(ilhs, irhs)); + EXPECT_FALSE(seen_element[ilhs]); + EXPECT_FALSE(seen_matcher[irhs]); + seen_element[ilhs] = true; + seen_matcher[irhs] = true; + } + } while (graph.NextGraph()); +} + +INSTANTIATE_TEST_SUITE_P(AllGraphs, BipartiteTest, + ::testing::Range(size_t{0}, size_t{5})); + +// Parameterized by a pair interpreted as (LhsSize, RhsSize). +class BipartiteNonSquareTest + : public ::testing::TestWithParam<std::pair<size_t, size_t>> {}; + +TEST_F(BipartiteNonSquareTest, SimpleBacktracking) { + // ....... + // 0:-----\ : + // 1:---\ | : + // 2:---\ | : + // 3:-\ | | : + // :.......: + // 0 1 2 + MatchMatrix g(4, 3); + constexpr std::array<std::array<size_t, 2>, 4> kEdges = { + {{{0, 2}}, {{1, 1}}, {{2, 1}}, {{3, 0}}}}; + for (size_t i = 0; i < kEdges.size(); ++i) { + g.SetEdge(kEdges[i][0], kEdges[i][1], true); + } + EXPECT_THAT(FindBacktrackingMaxBPM(g), + ElementsAre(Pair(3, 0), Pair(AnyOf(1, 2), 1), Pair(0, 2))) + << g.DebugString(); +} + +// Verify a few nonsquare matrices. +TEST_P(BipartiteNonSquareTest, Exhaustive) { + size_t nlhs = GetParam().first; + size_t nrhs = GetParam().second; + MatchMatrix graph(nlhs, nrhs); + do { + EXPECT_EQ(FindBacktrackingMaxBPM(graph).size(), + internal::FindMaxBipartiteMatching(graph).size()) + << "graph: " << graph.DebugString() + << "\nbacktracking: " << PrintToString(FindBacktrackingMaxBPM(graph)) + << "\nmax flow: " + << PrintToString(internal::FindMaxBipartiteMatching(graph)); + } while (graph.NextGraph()); +} + +INSTANTIATE_TEST_SUITE_P( + AllGraphs, BipartiteNonSquareTest, + testing::Values(std::make_pair(1, 2), std::make_pair(2, 1), + std::make_pair(3, 2), std::make_pair(2, 3), + std::make_pair(4, 1), std::make_pair(1, 4), + std::make_pair(4, 3), std::make_pair(3, 4))); + +class BipartiteRandomTest + : public ::testing::TestWithParam<std::pair<int, int>> {}; + +// Verifies a large sample of larger graphs. +TEST_P(BipartiteRandomTest, LargerNets) { + int nodes = GetParam().first; + int iters = GetParam().second; + MatchMatrix graph(static_cast<size_t>(nodes), static_cast<size_t>(nodes)); + + auto seed = static_cast<uint32_t>(GTEST_FLAG_GET(random_seed)); + if (seed == 0) { + seed = static_cast<uint32_t>(time(nullptr)); + } + + for (; iters > 0; --iters, ++seed) { + srand(static_cast<unsigned int>(seed)); + graph.Randomize(); + EXPECT_EQ(FindBacktrackingMaxBPM(graph).size(), + internal::FindMaxBipartiteMatching(graph).size()) + << " graph: " << graph.DebugString() + << "\nTo reproduce the failure, rerun the test with the flag" + " --" + << GTEST_FLAG_PREFIX_ << "random_seed=" << seed; + } +} + +// Test argument is a std::pair<int, int> representing (nodes, iters). +INSTANTIATE_TEST_SUITE_P(Samples, BipartiteRandomTest, + testing::Values(std::make_pair(5, 10000), + std::make_pair(6, 5000), + std::make_pair(7, 2000), + std::make_pair(8, 500), + std::make_pair(9, 100))); + +// Tests IsReadableTypeName(). + +TEST(IsReadableTypeNameTest, ReturnsTrueForShortNames) { + EXPECT_TRUE(IsReadableTypeName("int")); + EXPECT_TRUE(IsReadableTypeName("const unsigned char*")); + EXPECT_TRUE(IsReadableTypeName("MyMap<int, void*>")); + EXPECT_TRUE(IsReadableTypeName("void (*)(int, bool)")); +} + +TEST(IsReadableTypeNameTest, ReturnsTrueForLongNonTemplateNonFunctionNames) { + EXPECT_TRUE(IsReadableTypeName("my_long_namespace::MyClassName")); + EXPECT_TRUE(IsReadableTypeName("int [5][6][7][8][9][10][11]")); + EXPECT_TRUE(IsReadableTypeName("my_namespace::MyOuterClass::MyInnerClass")); +} + +TEST(IsReadableTypeNameTest, ReturnsFalseForLongTemplateNames) { + EXPECT_FALSE( + IsReadableTypeName("basic_string<char, std::char_traits<char> >")); + EXPECT_FALSE(IsReadableTypeName("std::vector<int, std::alloc_traits<int> >")); +} + +TEST(IsReadableTypeNameTest, ReturnsFalseForLongFunctionTypeNames) { + EXPECT_FALSE(IsReadableTypeName("void (&)(int, bool, char, float)")); +} + +// Tests FormatMatcherDescription(). + +TEST(FormatMatcherDescriptionTest, WorksForEmptyDescription) { + EXPECT_EQ("is even", + FormatMatcherDescription(false, "IsEven", {}, Strings())); + EXPECT_EQ("not (is even)", + FormatMatcherDescription(true, "IsEven", {}, Strings())); + + EXPECT_EQ("equals (a: 5)", + FormatMatcherDescription(false, "Equals", {"a"}, {"5"})); + + EXPECT_EQ( + "is in range (a: 5, b: 8)", + FormatMatcherDescription(false, "IsInRange", {"a", "b"}, {"5", "8"})); +} + +INSTANTIATE_GTEST_MATCHER_TEST_P(MatcherTupleTest); + +TEST_P(MatcherTupleTestP, ExplainsMatchFailure) { + stringstream ss1; + ExplainMatchFailureTupleTo( + std::make_tuple(Matcher<char>(Eq('a')), GreaterThan(5)), + std::make_tuple('a', 10), &ss1); + EXPECT_EQ("", ss1.str()); // Successful match. + + stringstream ss2; + ExplainMatchFailureTupleTo( + std::make_tuple(GreaterThan(5), Matcher<char>(Eq('a'))), + std::make_tuple(2, 'b'), &ss2); + EXPECT_EQ( + " Expected arg #0: is > 5\n" + " Actual: 2, which is 3 less than 5\n" + " Expected arg #1: is equal to 'a' (97, 0x61)\n" + " Actual: 'b' (98, 0x62)\n", + ss2.str()); // Failed match where both arguments need explanation. + + stringstream ss3; + ExplainMatchFailureTupleTo( + std::make_tuple(GreaterThan(5), Matcher<char>(Eq('a'))), + std::make_tuple(2, 'a'), &ss3); + EXPECT_EQ( + " Expected arg #0: is > 5\n" + " Actual: 2, which is 3 less than 5\n", + ss3.str()); // Failed match where only one argument needs + // explanation. +} + +// Sample optional type implementation with minimal requirements for use with +// Optional matcher. +template <typename T> +class SampleOptional { + public: + using value_type = T; + explicit SampleOptional(T value) + : value_(std::move(value)), has_value_(true) {} + SampleOptional() : value_(), has_value_(false) {} + operator bool() const { return has_value_; } + const T& operator*() const { return value_; } + + private: + T value_; + bool has_value_; +}; + +TEST(OptionalTest, DescribesSelf) { + const Matcher<SampleOptional<int>> m = Optional(Eq(1)); + EXPECT_EQ("value is equal to 1", Describe(m)); +} + +TEST(OptionalTest, ExplainsSelf) { + const Matcher<SampleOptional<int>> m = Optional(Eq(1)); + EXPECT_EQ("whose value 1 matches", Explain(m, SampleOptional<int>(1))); + EXPECT_EQ("whose value 2 doesn't match", Explain(m, SampleOptional<int>(2))); +} + +TEST(OptionalTest, MatchesNonEmptyOptional) { + const Matcher<SampleOptional<int>> m1 = Optional(1); + const Matcher<SampleOptional<int>> m2 = Optional(Eq(2)); + const Matcher<SampleOptional<int>> m3 = Optional(Lt(3)); + SampleOptional<int> opt(1); + EXPECT_TRUE(m1.Matches(opt)); + EXPECT_FALSE(m2.Matches(opt)); + EXPECT_TRUE(m3.Matches(opt)); +} + +TEST(OptionalTest, DoesNotMatchNullopt) { + const Matcher<SampleOptional<int>> m = Optional(1); + SampleOptional<int> empty; + EXPECT_FALSE(m.Matches(empty)); +} + +TEST(OptionalTest, WorksWithMoveOnly) { + Matcher<SampleOptional<std::unique_ptr<int>>> m = Optional(Eq(nullptr)); + EXPECT_TRUE(m.Matches(SampleOptional<std::unique_ptr<int>>(nullptr))); +} + +class SampleVariantIntString { + public: + SampleVariantIntString(int i) : i_(i), has_int_(true) {} + SampleVariantIntString(const std::string& s) : s_(s), has_int_(false) {} + + template <typename T> + friend bool holds_alternative(const SampleVariantIntString& value) { + return value.has_int_ == std::is_same<T, int>::value; + } + + template <typename T> + friend const T& get(const SampleVariantIntString& value) { + return value.get_impl(static_cast<T*>(nullptr)); + } + + private: + const int& get_impl(int*) const { return i_; } + const std::string& get_impl(std::string*) const { return s_; } + + int i_; + std::string s_; + bool has_int_; +}; + +TEST(VariantTest, DescribesSelf) { + const Matcher<SampleVariantIntString> m = VariantWith<int>(Eq(1)); + EXPECT_THAT(Describe(m), ContainsRegex("is a variant<> with value of type " + "'.*' and the value is equal to 1")); +} + +TEST(VariantTest, ExplainsSelf) { + const Matcher<SampleVariantIntString> m = VariantWith<int>(Eq(1)); + EXPECT_THAT(Explain(m, SampleVariantIntString(1)), + ContainsRegex("whose value 1")); + EXPECT_THAT(Explain(m, SampleVariantIntString("A")), + HasSubstr("whose value is not of type '")); + EXPECT_THAT(Explain(m, SampleVariantIntString(2)), + "whose value 2 doesn't match"); +} + +TEST(VariantTest, FullMatch) { + Matcher<SampleVariantIntString> m = VariantWith<int>(Eq(1)); + EXPECT_TRUE(m.Matches(SampleVariantIntString(1))); + + m = VariantWith<std::string>(Eq("1")); + EXPECT_TRUE(m.Matches(SampleVariantIntString("1"))); +} + +TEST(VariantTest, TypeDoesNotMatch) { + Matcher<SampleVariantIntString> m = VariantWith<int>(Eq(1)); + EXPECT_FALSE(m.Matches(SampleVariantIntString("1"))); + + m = VariantWith<std::string>(Eq("1")); + EXPECT_FALSE(m.Matches(SampleVariantIntString(1))); +} + +TEST(VariantTest, InnerDoesNotMatch) { + Matcher<SampleVariantIntString> m = VariantWith<int>(Eq(1)); + EXPECT_FALSE(m.Matches(SampleVariantIntString(2))); + + m = VariantWith<std::string>(Eq("1")); + EXPECT_FALSE(m.Matches(SampleVariantIntString("2"))); +} + +class SampleAnyType { + public: + explicit SampleAnyType(int i) : index_(0), i_(i) {} + explicit SampleAnyType(const std::string& s) : index_(1), s_(s) {} + + template <typename T> + friend const T* any_cast(const SampleAnyType* any) { + return any->get_impl(static_cast<T*>(nullptr)); + } + + private: + int index_; + int i_; + std::string s_; + + const int* get_impl(int*) const { return index_ == 0 ? &i_ : nullptr; } + const std::string* get_impl(std::string*) const { + return index_ == 1 ? &s_ : nullptr; + } +}; + +TEST(AnyWithTest, FullMatch) { + Matcher<SampleAnyType> m = AnyWith<int>(Eq(1)); + EXPECT_TRUE(m.Matches(SampleAnyType(1))); +} + +TEST(AnyWithTest, TestBadCastType) { + Matcher<SampleAnyType> m = AnyWith<std::string>(Eq("fail")); + EXPECT_FALSE(m.Matches(SampleAnyType(1))); +} + +TEST(AnyWithTest, TestUseInContainers) { + std::vector<SampleAnyType> a; + a.emplace_back(1); + a.emplace_back(2); + a.emplace_back(3); + EXPECT_THAT( + a, ElementsAreArray({AnyWith<int>(1), AnyWith<int>(2), AnyWith<int>(3)})); + + std::vector<SampleAnyType> b; + b.emplace_back("hello"); + b.emplace_back("merhaba"); + b.emplace_back("salut"); + EXPECT_THAT(b, ElementsAreArray({AnyWith<std::string>("hello"), + AnyWith<std::string>("merhaba"), + AnyWith<std::string>("salut")})); +} +TEST(AnyWithTest, TestCompare) { + EXPECT_THAT(SampleAnyType(1), AnyWith<int>(Gt(0))); +} + +TEST(AnyWithTest, DescribesSelf) { + const Matcher<const SampleAnyType&> m = AnyWith<int>(Eq(1)); + EXPECT_THAT(Describe(m), ContainsRegex("is an 'any' type with value of type " + "'.*' and the value is equal to 1")); +} + +TEST(AnyWithTest, ExplainsSelf) { + const Matcher<const SampleAnyType&> m = AnyWith<int>(Eq(1)); + + EXPECT_THAT(Explain(m, SampleAnyType(1)), ContainsRegex("whose value 1")); + EXPECT_THAT(Explain(m, SampleAnyType("A")), + HasSubstr("whose value is not of type '")); + EXPECT_THAT(Explain(m, SampleAnyType(2)), "whose value 2 doesn't match"); +} + +// Tests Args<k0, ..., kn>(m). + +TEST(ArgsTest, AcceptsZeroTemplateArg) { + const std::tuple<int, bool> t(5, true); + EXPECT_THAT(t, Args<>(Eq(std::tuple<>()))); + EXPECT_THAT(t, Not(Args<>(Ne(std::tuple<>())))); +} + +TEST(ArgsTest, AcceptsOneTemplateArg) { + const std::tuple<int, bool> t(5, true); + EXPECT_THAT(t, Args<0>(Eq(std::make_tuple(5)))); + EXPECT_THAT(t, Args<1>(Eq(std::make_tuple(true)))); + EXPECT_THAT(t, Not(Args<1>(Eq(std::make_tuple(false))))); +} + +TEST(ArgsTest, AcceptsTwoTemplateArgs) { + const std::tuple<short, int, long> t(short{4}, 5, 6L); // NOLINT + + EXPECT_THAT(t, (Args<0, 1>(Lt()))); + EXPECT_THAT(t, (Args<1, 2>(Lt()))); + EXPECT_THAT(t, Not(Args<0, 2>(Gt()))); +} + +TEST(ArgsTest, AcceptsRepeatedTemplateArgs) { + const std::tuple<short, int, long> t(short{4}, 5, 6L); // NOLINT + EXPECT_THAT(t, (Args<0, 0>(Eq()))); + EXPECT_THAT(t, Not(Args<1, 1>(Ne()))); +} + +TEST(ArgsTest, AcceptsDecreasingTemplateArgs) { + const std::tuple<short, int, long> t(short{4}, 5, 6L); // NOLINT + EXPECT_THAT(t, (Args<2, 0>(Gt()))); + EXPECT_THAT(t, Not(Args<2, 1>(Lt()))); +} + +MATCHER(SumIsZero, "") { + return std::get<0>(arg) + std::get<1>(arg) + std::get<2>(arg) == 0; +} + +TEST(ArgsTest, AcceptsMoreTemplateArgsThanArityOfOriginalTuple) { + EXPECT_THAT(std::make_tuple(-1, 2), (Args<0, 0, 1>(SumIsZero()))); + EXPECT_THAT(std::make_tuple(1, 2), Not(Args<0, 0, 1>(SumIsZero()))); +} + +TEST(ArgsTest, CanBeNested) { + const std::tuple<short, int, long, int> t(short{4}, 5, 6L, 6); // NOLINT + EXPECT_THAT(t, (Args<1, 2, 3>(Args<1, 2>(Eq())))); + EXPECT_THAT(t, (Args<0, 1, 3>(Args<0, 2>(Lt())))); +} + +TEST(ArgsTest, CanMatchTupleByValue) { + typedef std::tuple<char, int, int> Tuple3; + const Matcher<Tuple3> m = Args<1, 2>(Lt()); + EXPECT_TRUE(m.Matches(Tuple3('a', 1, 2))); + EXPECT_FALSE(m.Matches(Tuple3('b', 2, 2))); +} + +TEST(ArgsTest, CanMatchTupleByReference) { + typedef std::tuple<char, char, int> Tuple3; + const Matcher<const Tuple3&> m = Args<0, 1>(Lt()); + EXPECT_TRUE(m.Matches(Tuple3('a', 'b', 2))); + EXPECT_FALSE(m.Matches(Tuple3('b', 'b', 2))); +} + +// Validates that arg is printed as str. +MATCHER_P(PrintsAs, str, "") { return testing::PrintToString(arg) == str; } + +TEST(ArgsTest, AcceptsTenTemplateArgs) { + EXPECT_THAT(std::make_tuple(0, 1L, 2, 3L, 4, 5, 6, 7, 8, 9), + (Args<9, 8, 7, 6, 5, 4, 3, 2, 1, 0>( + PrintsAs("(9, 8, 7, 6, 5, 4, 3, 2, 1, 0)")))); + EXPECT_THAT(std::make_tuple(0, 1L, 2, 3L, 4, 5, 6, 7, 8, 9), + Not(Args<9, 8, 7, 6, 5, 4, 3, 2, 1, 0>( + PrintsAs("(0, 8, 7, 6, 5, 4, 3, 2, 1, 0)")))); +} + +TEST(ArgsTest, DescirbesSelfCorrectly) { + const Matcher<std::tuple<int, bool, char>> m = Args<2, 0>(Lt()); + EXPECT_EQ( + "are a tuple whose fields (#2, #0) are a pair where " + "the first < the second", + Describe(m)); +} + +TEST(ArgsTest, DescirbesNestedArgsCorrectly) { + const Matcher<const std::tuple<int, bool, char, int>&> m = + Args<0, 2, 3>(Args<2, 0>(Lt())); + EXPECT_EQ( + "are a tuple whose fields (#0, #2, #3) are a tuple " + "whose fields (#2, #0) are a pair where the first < the second", + Describe(m)); +} + +TEST(ArgsTest, DescribesNegationCorrectly) { + const Matcher<std::tuple<int, char>> m = Args<1, 0>(Gt()); + EXPECT_EQ( + "are a tuple whose fields (#1, #0) aren't a pair " + "where the first > the second", + DescribeNegation(m)); +} + +TEST(ArgsTest, ExplainsMatchResultWithoutInnerExplanation) { + const Matcher<std::tuple<bool, int, int>> m = Args<1, 2>(Eq()); + EXPECT_EQ("whose fields (#1, #2) are (42, 42)", + Explain(m, std::make_tuple(false, 42, 42))); + EXPECT_EQ("whose fields (#1, #2) are (42, 43)", + Explain(m, std::make_tuple(false, 42, 43))); +} + +// For testing Args<>'s explanation. +class LessThanMatcher : public MatcherInterface<std::tuple<char, int>> { + public: + void DescribeTo(::std::ostream* /*os*/) const override {} + + bool MatchAndExplain(std::tuple<char, int> value, + MatchResultListener* listener) const override { + const int diff = std::get<0>(value) - std::get<1>(value); + if (diff > 0) { + *listener << "where the first value is " << diff + << " more than the second"; + } + return diff < 0; + } +}; + +Matcher<std::tuple<char, int>> LessThan() { + return MakeMatcher(new LessThanMatcher); +} + +TEST(ArgsTest, ExplainsMatchResultWithInnerExplanation) { + const Matcher<std::tuple<char, int, int>> m = Args<0, 2>(LessThan()); + EXPECT_EQ( + "whose fields (#0, #2) are ('a' (97, 0x61), 42), " + "where the first value is 55 more than the second", + Explain(m, std::make_tuple('a', 42, 42))); + EXPECT_EQ("whose fields (#0, #2) are ('\\0', 43)", + Explain(m, std::make_tuple('\0', 42, 43))); +} + +// Tests for the MATCHER*() macro family. + +// Tests that a simple MATCHER() definition works. + +MATCHER(IsEven, "") { return (arg % 2) == 0; } + +TEST(MatcherMacroTest, Works) { + const Matcher<int> m = IsEven(); + EXPECT_TRUE(m.Matches(6)); + EXPECT_FALSE(m.Matches(7)); + + EXPECT_EQ("is even", Describe(m)); + EXPECT_EQ("not (is even)", DescribeNegation(m)); + EXPECT_EQ("", Explain(m, 6)); + EXPECT_EQ("", Explain(m, 7)); +} + +// This also tests that the description string can reference 'negation'. +MATCHER(IsEven2, negation ? "is odd" : "is even") { + if ((arg % 2) == 0) { + // Verifies that we can stream to result_listener, a listener + // supplied by the MATCHER macro implicitly. + *result_listener << "OK"; + return true; + } else { + *result_listener << "% 2 == " << (arg % 2); + return false; + } +} + +// This also tests that the description string can reference matcher +// parameters. +MATCHER_P2(EqSumOf, x, y, + std::string(negation ? "doesn't equal" : "equals") + " the sum of " + + PrintToString(x) + " and " + PrintToString(y)) { + if (arg == (x + y)) { + *result_listener << "OK"; + return true; + } else { + // Verifies that we can stream to the underlying stream of + // result_listener. + if (result_listener->stream() != nullptr) { + *result_listener->stream() << "diff == " << (x + y - arg); + } + return false; + } +} + +// Tests that the matcher description can reference 'negation' and the +// matcher parameters. +TEST(MatcherMacroTest, DescriptionCanReferenceNegationAndParameters) { + const Matcher<int> m1 = IsEven2(); + EXPECT_EQ("is even", Describe(m1)); + EXPECT_EQ("is odd", DescribeNegation(m1)); + + const Matcher<int> m2 = EqSumOf(5, 9); + EXPECT_EQ("equals the sum of 5 and 9", Describe(m2)); + EXPECT_EQ("doesn't equal the sum of 5 and 9", DescribeNegation(m2)); +} + +// Tests explaining match result in a MATCHER* macro. +TEST(MatcherMacroTest, CanExplainMatchResult) { + const Matcher<int> m1 = IsEven2(); + EXPECT_EQ("OK", Explain(m1, 4)); + EXPECT_EQ("% 2 == 1", Explain(m1, 5)); + + const Matcher<int> m2 = EqSumOf(1, 2); + EXPECT_EQ("OK", Explain(m2, 3)); + EXPECT_EQ("diff == -1", Explain(m2, 4)); +} + +// Tests that the body of MATCHER() can reference the type of the +// value being matched. + +MATCHER(IsEmptyString, "") { + StaticAssertTypeEq<::std::string, arg_type>(); + return arg.empty(); +} + +MATCHER(IsEmptyStringByRef, "") { + StaticAssertTypeEq<const ::std::string&, arg_type>(); + return arg.empty(); +} + +TEST(MatcherMacroTest, CanReferenceArgType) { + const Matcher<::std::string> m1 = IsEmptyString(); + EXPECT_TRUE(m1.Matches("")); + + const Matcher<const ::std::string&> m2 = IsEmptyStringByRef(); + EXPECT_TRUE(m2.Matches("")); +} + +// Tests that MATCHER() can be used in a namespace. + +namespace matcher_test { +MATCHER(IsOdd, "") { return (arg % 2) != 0; } +} // namespace matcher_test + +TEST(MatcherMacroTest, WorksInNamespace) { + Matcher<int> m = matcher_test::IsOdd(); + EXPECT_FALSE(m.Matches(4)); + EXPECT_TRUE(m.Matches(5)); +} + +// Tests that Value() can be used to compose matchers. +MATCHER(IsPositiveOdd, "") { + return Value(arg, matcher_test::IsOdd()) && arg > 0; +} + +TEST(MatcherMacroTest, CanBeComposedUsingValue) { + EXPECT_THAT(3, IsPositiveOdd()); + EXPECT_THAT(4, Not(IsPositiveOdd())); + EXPECT_THAT(-1, Not(IsPositiveOdd())); +} + +// Tests that a simple MATCHER_P() definition works. + +MATCHER_P(IsGreaterThan32And, n, "") { return arg > 32 && arg > n; } + +TEST(MatcherPMacroTest, Works) { + const Matcher<int> m = IsGreaterThan32And(5); + EXPECT_TRUE(m.Matches(36)); + EXPECT_FALSE(m.Matches(5)); + + EXPECT_EQ("is greater than 32 and (n: 5)", Describe(m)); + EXPECT_EQ("not (is greater than 32 and (n: 5))", DescribeNegation(m)); + EXPECT_EQ("", Explain(m, 36)); + EXPECT_EQ("", Explain(m, 5)); +} + +// Tests that the description is calculated correctly from the matcher name. +MATCHER_P(_is_Greater_Than32and_, n, "") { return arg > 32 && arg > n; } + +TEST(MatcherPMacroTest, GeneratesCorrectDescription) { + const Matcher<int> m = _is_Greater_Than32and_(5); + + EXPECT_EQ("is greater than 32 and (n: 5)", Describe(m)); + EXPECT_EQ("not (is greater than 32 and (n: 5))", DescribeNegation(m)); + EXPECT_EQ("", Explain(m, 36)); + EXPECT_EQ("", Explain(m, 5)); +} + +// Tests that a MATCHER_P matcher can be explicitly instantiated with +// a reference parameter type. + +class UncopyableFoo { + public: + explicit UncopyableFoo(char value) : value_(value) { (void)value_; } + + UncopyableFoo(const UncopyableFoo&) = delete; + void operator=(const UncopyableFoo&) = delete; + + private: + char value_; +}; + +MATCHER_P(ReferencesUncopyable, variable, "") { return &arg == &variable; } + +TEST(MatcherPMacroTest, WorksWhenExplicitlyInstantiatedWithReference) { + UncopyableFoo foo1('1'), foo2('2'); + const Matcher<const UncopyableFoo&> m = + ReferencesUncopyable<const UncopyableFoo&>(foo1); + + EXPECT_TRUE(m.Matches(foo1)); + EXPECT_FALSE(m.Matches(foo2)); + + // We don't want the address of the parameter printed, as most + // likely it will just annoy the user. If the address is + // interesting, the user should consider passing the parameter by + // pointer instead. + EXPECT_EQ("references uncopyable (variable: 1-byte object <31>)", + Describe(m)); +} + +// Tests that the body of MATCHER_Pn() can reference the parameter +// types. + +MATCHER_P3(ParamTypesAreIntLongAndChar, foo, bar, baz, "") { + StaticAssertTypeEq<int, foo_type>(); + StaticAssertTypeEq<long, bar_type>(); // NOLINT + StaticAssertTypeEq<char, baz_type>(); + return arg == 0; +} + +TEST(MatcherPnMacroTest, CanReferenceParamTypes) { + EXPECT_THAT(0, ParamTypesAreIntLongAndChar(10, 20L, 'a')); +} + +// Tests that a MATCHER_Pn matcher can be explicitly instantiated with +// reference parameter types. + +MATCHER_P2(ReferencesAnyOf, variable1, variable2, "") { + return &arg == &variable1 || &arg == &variable2; +} + +TEST(MatcherPnMacroTest, WorksWhenExplicitlyInstantiatedWithReferences) { + UncopyableFoo foo1('1'), foo2('2'), foo3('3'); + const Matcher<const UncopyableFoo&> const_m = + ReferencesAnyOf<const UncopyableFoo&, const UncopyableFoo&>(foo1, foo2); + + EXPECT_TRUE(const_m.Matches(foo1)); + EXPECT_TRUE(const_m.Matches(foo2)); + EXPECT_FALSE(const_m.Matches(foo3)); + + const Matcher<UncopyableFoo&> m = + ReferencesAnyOf<UncopyableFoo&, UncopyableFoo&>(foo1, foo2); + + EXPECT_TRUE(m.Matches(foo1)); + EXPECT_TRUE(m.Matches(foo2)); + EXPECT_FALSE(m.Matches(foo3)); +} + +TEST(MatcherPnMacroTest, + GeneratesCorretDescriptionWhenExplicitlyInstantiatedWithReferences) { + UncopyableFoo foo1('1'), foo2('2'); + const Matcher<const UncopyableFoo&> m = + ReferencesAnyOf<const UncopyableFoo&, const UncopyableFoo&>(foo1, foo2); + + // We don't want the addresses of the parameters printed, as most + // likely they will just annoy the user. If the addresses are + // interesting, the user should consider passing the parameters by + // pointers instead. + EXPECT_EQ( + "references any of (variable1: 1-byte object <31>, variable2: 1-byte " + "object <32>)", + Describe(m)); +} + +// Tests that a simple MATCHER_P2() definition works. + +MATCHER_P2(IsNotInClosedRange, low, hi, "") { return arg < low || arg > hi; } + +TEST(MatcherPnMacroTest, Works) { + const Matcher<const long&> m = IsNotInClosedRange(10, 20); // NOLINT + EXPECT_TRUE(m.Matches(36L)); + EXPECT_FALSE(m.Matches(15L)); + + EXPECT_EQ("is not in closed range (low: 10, hi: 20)", Describe(m)); + EXPECT_EQ("not (is not in closed range (low: 10, hi: 20))", + DescribeNegation(m)); + EXPECT_EQ("", Explain(m, 36L)); + EXPECT_EQ("", Explain(m, 15L)); +} + +// Tests that MATCHER*() definitions can be overloaded on the number +// of parameters; also tests MATCHER_Pn() where n >= 3. + +MATCHER(EqualsSumOf, "") { return arg == 0; } +MATCHER_P(EqualsSumOf, a, "") { return arg == a; } +MATCHER_P2(EqualsSumOf, a, b, "") { return arg == a + b; } +MATCHER_P3(EqualsSumOf, a, b, c, "") { return arg == a + b + c; } +MATCHER_P4(EqualsSumOf, a, b, c, d, "") { return arg == a + b + c + d; } +MATCHER_P5(EqualsSumOf, a, b, c, d, e, "") { return arg == a + b + c + d + e; } +MATCHER_P6(EqualsSumOf, a, b, c, d, e, f, "") { + return arg == a + b + c + d + e + f; +} +MATCHER_P7(EqualsSumOf, a, b, c, d, e, f, g, "") { + return arg == a + b + c + d + e + f + g; +} +MATCHER_P8(EqualsSumOf, a, b, c, d, e, f, g, h, "") { + return arg == a + b + c + d + e + f + g + h; +} +MATCHER_P9(EqualsSumOf, a, b, c, d, e, f, g, h, i, "") { + return arg == a + b + c + d + e + f + g + h + i; +} +MATCHER_P10(EqualsSumOf, a, b, c, d, e, f, g, h, i, j, "") { + return arg == a + b + c + d + e + f + g + h + i + j; +} + +TEST(MatcherPnMacroTest, CanBeOverloadedOnNumberOfParameters) { + EXPECT_THAT(0, EqualsSumOf()); + EXPECT_THAT(1, EqualsSumOf(1)); + EXPECT_THAT(12, EqualsSumOf(10, 2)); + EXPECT_THAT(123, EqualsSumOf(100, 20, 3)); + EXPECT_THAT(1234, EqualsSumOf(1000, 200, 30, 4)); + EXPECT_THAT(12345, EqualsSumOf(10000, 2000, 300, 40, 5)); + EXPECT_THAT("abcdef", + EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f')); + EXPECT_THAT("abcdefg", + EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g')); + EXPECT_THAT("abcdefgh", EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", + 'f', 'g', "h")); + EXPECT_THAT("abcdefghi", EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", + 'f', 'g', "h", 'i')); + EXPECT_THAT("abcdefghij", + EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g', "h", + 'i', ::std::string("j"))); + + EXPECT_THAT(1, Not(EqualsSumOf())); + EXPECT_THAT(-1, Not(EqualsSumOf(1))); + EXPECT_THAT(-12, Not(EqualsSumOf(10, 2))); + EXPECT_THAT(-123, Not(EqualsSumOf(100, 20, 3))); + EXPECT_THAT(-1234, Not(EqualsSumOf(1000, 200, 30, 4))); + EXPECT_THAT(-12345, Not(EqualsSumOf(10000, 2000, 300, 40, 5))); + EXPECT_THAT("abcdef ", + Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f'))); + EXPECT_THAT("abcdefg ", Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", + "e", 'f', 'g'))); + EXPECT_THAT("abcdefgh ", Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", + "e", 'f', 'g', "h"))); + EXPECT_THAT("abcdefghi ", Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", + "e", 'f', 'g', "h", 'i'))); + EXPECT_THAT("abcdefghij ", + Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g', + "h", 'i', ::std::string("j")))); +} + +// Tests that a MATCHER_Pn() definition can be instantiated with any +// compatible parameter types. +TEST(MatcherPnMacroTest, WorksForDifferentParameterTypes) { + EXPECT_THAT(123, EqualsSumOf(100L, 20, static_cast<char>(3))); + EXPECT_THAT("abcd", EqualsSumOf(::std::string("a"), "b", 'c', "d")); + + EXPECT_THAT(124, Not(EqualsSumOf(100L, 20, static_cast<char>(3)))); + EXPECT_THAT("abcde", Not(EqualsSumOf(::std::string("a"), "b", 'c', "d"))); +} + +// Tests that the matcher body can promote the parameter types. + +MATCHER_P2(EqConcat, prefix, suffix, "") { + // The following lines promote the two parameters to desired types. + std::string prefix_str(prefix); + char suffix_char = static_cast<char>(suffix); + return arg == prefix_str + suffix_char; +} + +TEST(MatcherPnMacroTest, SimpleTypePromotion) { + Matcher<std::string> no_promo = EqConcat(std::string("foo"), 't'); + Matcher<const std::string&> promo = EqConcat("foo", static_cast<int>('t')); + EXPECT_FALSE(no_promo.Matches("fool")); + EXPECT_FALSE(promo.Matches("fool")); + EXPECT_TRUE(no_promo.Matches("foot")); + EXPECT_TRUE(promo.Matches("foot")); +} + +// Verifies the type of a MATCHER*. + +TEST(MatcherPnMacroTest, TypesAreCorrect) { + // EqualsSumOf() must be assignable to a EqualsSumOfMatcher variable. + EqualsSumOfMatcher a0 = EqualsSumOf(); + + // EqualsSumOf(1) must be assignable to a EqualsSumOfMatcherP variable. + EqualsSumOfMatcherP<int> a1 = EqualsSumOf(1); + + // EqualsSumOf(p1, ..., pk) must be assignable to a EqualsSumOfMatcherPk + // variable, and so on. + EqualsSumOfMatcherP2<int, char> a2 = EqualsSumOf(1, '2'); + EqualsSumOfMatcherP3<int, int, char> a3 = EqualsSumOf(1, 2, '3'); + EqualsSumOfMatcherP4<int, int, int, char> a4 = EqualsSumOf(1, 2, 3, '4'); + EqualsSumOfMatcherP5<int, int, int, int, char> a5 = + EqualsSumOf(1, 2, 3, 4, '5'); + EqualsSumOfMatcherP6<int, int, int, int, int, char> a6 = + EqualsSumOf(1, 2, 3, 4, 5, '6'); + EqualsSumOfMatcherP7<int, int, int, int, int, int, char> a7 = + EqualsSumOf(1, 2, 3, 4, 5, 6, '7'); + EqualsSumOfMatcherP8<int, int, int, int, int, int, int, char> a8 = + EqualsSumOf(1, 2, 3, 4, 5, 6, 7, '8'); + EqualsSumOfMatcherP9<int, int, int, int, int, int, int, int, char> a9 = + EqualsSumOf(1, 2, 3, 4, 5, 6, 7, 8, '9'); + EqualsSumOfMatcherP10<int, int, int, int, int, int, int, int, int, char> a10 = + EqualsSumOf(1, 2, 3, 4, 5, 6, 7, 8, 9, '0'); + + // Avoid "unused variable" warnings. + (void)a0; + (void)a1; + (void)a2; + (void)a3; + (void)a4; + (void)a5; + (void)a6; + (void)a7; + (void)a8; + (void)a9; + (void)a10; +} + +// Tests that matcher-typed parameters can be used in Value() inside a +// MATCHER_Pn definition. + +// Succeeds if arg matches exactly 2 of the 3 matchers. +MATCHER_P3(TwoOf, m1, m2, m3, "") { + const int count = static_cast<int>(Value(arg, m1)) + + static_cast<int>(Value(arg, m2)) + + static_cast<int>(Value(arg, m3)); + return count == 2; +} + +TEST(MatcherPnMacroTest, CanUseMatcherTypedParameterInValue) { + EXPECT_THAT(42, TwoOf(Gt(0), Lt(50), Eq(10))); + EXPECT_THAT(0, Not(TwoOf(Gt(-1), Lt(1), Eq(0)))); +} + +// Tests Contains().Times(). + +INSTANTIATE_GTEST_MATCHER_TEST_P(ContainsTimes); + +TEST(ContainsTimes, ListMatchesWhenElementQuantityMatches) { + list<int> some_list; + some_list.push_back(3); + some_list.push_back(1); + some_list.push_back(2); + some_list.push_back(3); + EXPECT_THAT(some_list, Contains(3).Times(2)); + EXPECT_THAT(some_list, Contains(2).Times(1)); + EXPECT_THAT(some_list, Contains(Ge(2)).Times(3)); + EXPECT_THAT(some_list, Contains(Ge(2)).Times(Gt(2))); + EXPECT_THAT(some_list, Contains(4).Times(0)); + EXPECT_THAT(some_list, Contains(_).Times(4)); + EXPECT_THAT(some_list, Not(Contains(5).Times(1))); + EXPECT_THAT(some_list, Contains(5).Times(_)); // Times(_) always matches + EXPECT_THAT(some_list, Not(Contains(3).Times(1))); + EXPECT_THAT(some_list, Contains(3).Times(Not(1))); + EXPECT_THAT(list<int>{}, Not(Contains(_))); +} + +TEST_P(ContainsTimesP, ExplainsMatchResultCorrectly) { + const int a[2] = {1, 2}; + Matcher<const int(&)[2]> m = Contains(2).Times(3); + EXPECT_EQ( + "whose element #1 matches but whose match quantity of 1 does not match", + Explain(m, a)); + + m = Contains(3).Times(0); + EXPECT_EQ("has no element that matches and whose match quantity of 0 matches", + Explain(m, a)); + + m = Contains(3).Times(4); + EXPECT_EQ( + "has no element that matches and whose match quantity of 0 does not " + "match", + Explain(m, a)); + + m = Contains(2).Times(4); + EXPECT_EQ( + "whose element #1 matches but whose match quantity of 1 does not " + "match", + Explain(m, a)); + + m = Contains(GreaterThan(0)).Times(2); + EXPECT_EQ("whose elements (0, 1) match and whose match quantity of 2 matches", + Explain(m, a)); + + m = Contains(GreaterThan(10)).Times(Gt(1)); + EXPECT_EQ( + "has no element that matches and whose match quantity of 0 does not " + "match", + Explain(m, a)); + + m = Contains(GreaterThan(0)).Times(GreaterThan<size_t>(5)); + EXPECT_EQ( + "whose elements (0, 1) match but whose match quantity of 2 does not " + "match, which is 3 less than 5", + Explain(m, a)); +} + +TEST(ContainsTimes, DescribesItselfCorrectly) { + Matcher<vector<int>> m = Contains(1).Times(2); + EXPECT_EQ("quantity of elements that match is equal to 1 is equal to 2", + Describe(m)); + + Matcher<vector<int>> m2 = Not(m); + EXPECT_EQ("quantity of elements that match is equal to 1 isn't equal to 2", + Describe(m2)); +} + +// Tests AllOfArray() + +TEST(AllOfArrayTest, BasicForms) { + // Iterator + std::vector<int> v0{}; + std::vector<int> v1{1}; + std::vector<int> v2{2, 3}; + std::vector<int> v3{4, 4, 4}; + EXPECT_THAT(0, AllOfArray(v0.begin(), v0.end())); + EXPECT_THAT(1, AllOfArray(v1.begin(), v1.end())); + EXPECT_THAT(2, Not(AllOfArray(v1.begin(), v1.end()))); + EXPECT_THAT(3, Not(AllOfArray(v2.begin(), v2.end()))); + EXPECT_THAT(4, AllOfArray(v3.begin(), v3.end())); + // Pointer + size + int ar[6] = {1, 2, 3, 4, 4, 4}; + EXPECT_THAT(0, AllOfArray(ar, 0)); + EXPECT_THAT(1, AllOfArray(ar, 1)); + EXPECT_THAT(2, Not(AllOfArray(ar, 1))); + EXPECT_THAT(3, Not(AllOfArray(ar + 1, 3))); + EXPECT_THAT(4, AllOfArray(ar + 3, 3)); + // Array + // int ar0[0]; Not usable + int ar1[1] = {1}; + int ar2[2] = {2, 3}; + int ar3[3] = {4, 4, 4}; + // EXPECT_THAT(0, Not(AllOfArray(ar0))); // Cannot work + EXPECT_THAT(1, AllOfArray(ar1)); + EXPECT_THAT(2, Not(AllOfArray(ar1))); + EXPECT_THAT(3, Not(AllOfArray(ar2))); + EXPECT_THAT(4, AllOfArray(ar3)); + // Container + EXPECT_THAT(0, AllOfArray(v0)); + EXPECT_THAT(1, AllOfArray(v1)); + EXPECT_THAT(2, Not(AllOfArray(v1))); + EXPECT_THAT(3, Not(AllOfArray(v2))); + EXPECT_THAT(4, AllOfArray(v3)); + // Initializer + EXPECT_THAT(0, AllOfArray<int>({})); // Requires template arg. + EXPECT_THAT(1, AllOfArray({1})); + EXPECT_THAT(2, Not(AllOfArray({1}))); + EXPECT_THAT(3, Not(AllOfArray({2, 3}))); + EXPECT_THAT(4, AllOfArray({4, 4, 4})); +} + +TEST(AllOfArrayTest, Matchers) { + // vector + std::vector<Matcher<int>> matchers{Ge(1), Lt(2)}; + EXPECT_THAT(0, Not(AllOfArray(matchers))); + EXPECT_THAT(1, AllOfArray(matchers)); + EXPECT_THAT(2, Not(AllOfArray(matchers))); + // initializer_list + EXPECT_THAT(0, Not(AllOfArray({Ge(0), Ge(1)}))); + EXPECT_THAT(1, AllOfArray({Ge(0), Ge(1)})); +} + +INSTANTIATE_GTEST_MATCHER_TEST_P(AnyOfArrayTest); + +TEST(AnyOfArrayTest, BasicForms) { + // Iterator + std::vector<int> v0{}; + std::vector<int> v1{1}; + std::vector<int> v2{2, 3}; + EXPECT_THAT(0, Not(AnyOfArray(v0.begin(), v0.end()))); + EXPECT_THAT(1, AnyOfArray(v1.begin(), v1.end())); + EXPECT_THAT(2, Not(AnyOfArray(v1.begin(), v1.end()))); + EXPECT_THAT(3, AnyOfArray(v2.begin(), v2.end())); + EXPECT_THAT(4, Not(AnyOfArray(v2.begin(), v2.end()))); + // Pointer + size + int ar[3] = {1, 2, 3}; + EXPECT_THAT(0, Not(AnyOfArray(ar, 0))); + EXPECT_THAT(1, AnyOfArray(ar, 1)); + EXPECT_THAT(2, Not(AnyOfArray(ar, 1))); + EXPECT_THAT(3, AnyOfArray(ar + 1, 2)); + EXPECT_THAT(4, Not(AnyOfArray(ar + 1, 2))); + // Array + // int ar0[0]; Not usable + int ar1[1] = {1}; + int ar2[2] = {2, 3}; + // EXPECT_THAT(0, Not(AnyOfArray(ar0))); // Cannot work + EXPECT_THAT(1, AnyOfArray(ar1)); + EXPECT_THAT(2, Not(AnyOfArray(ar1))); + EXPECT_THAT(3, AnyOfArray(ar2)); + EXPECT_THAT(4, Not(AnyOfArray(ar2))); + // Container + EXPECT_THAT(0, Not(AnyOfArray(v0))); + EXPECT_THAT(1, AnyOfArray(v1)); + EXPECT_THAT(2, Not(AnyOfArray(v1))); + EXPECT_THAT(3, AnyOfArray(v2)); + EXPECT_THAT(4, Not(AnyOfArray(v2))); + // Initializer + EXPECT_THAT(0, Not(AnyOfArray<int>({}))); // Requires template arg. + EXPECT_THAT(1, AnyOfArray({1})); + EXPECT_THAT(2, Not(AnyOfArray({1}))); + EXPECT_THAT(3, AnyOfArray({2, 3})); + EXPECT_THAT(4, Not(AnyOfArray({2, 3}))); +} + +TEST(AnyOfArrayTest, Matchers) { + // We negate test AllOfArrayTest.Matchers. + // vector + std::vector<Matcher<int>> matchers{Lt(1), Ge(2)}; + EXPECT_THAT(0, AnyOfArray(matchers)); + EXPECT_THAT(1, Not(AnyOfArray(matchers))); + EXPECT_THAT(2, AnyOfArray(matchers)); + // initializer_list + EXPECT_THAT(0, AnyOfArray({Lt(0), Lt(1)})); + EXPECT_THAT(1, Not(AllOfArray({Lt(0), Lt(1)}))); +} + +TEST_P(AnyOfArrayTestP, ExplainsMatchResultCorrectly) { + // AnyOfArray and AllOfArray use the same underlying template-template, + // thus it is sufficient to test one here. + const std::vector<int> v0{}; + const std::vector<int> v1{1}; + const std::vector<int> v2{2, 3}; + const Matcher<int> m0 = AnyOfArray(v0); + const Matcher<int> m1 = AnyOfArray(v1); + const Matcher<int> m2 = AnyOfArray(v2); + EXPECT_EQ("", Explain(m0, 0)); + EXPECT_EQ("", Explain(m1, 1)); + EXPECT_EQ("", Explain(m1, 2)); + EXPECT_EQ("", Explain(m2, 3)); + EXPECT_EQ("", Explain(m2, 4)); + EXPECT_EQ("()", Describe(m0)); + EXPECT_EQ("(is equal to 1)", Describe(m1)); + EXPECT_EQ("(is equal to 2) or (is equal to 3)", Describe(m2)); + EXPECT_EQ("()", DescribeNegation(m0)); + EXPECT_EQ("(isn't equal to 1)", DescribeNegation(m1)); + EXPECT_EQ("(isn't equal to 2) and (isn't equal to 3)", DescribeNegation(m2)); + // Explain with matchers + const Matcher<int> g1 = AnyOfArray({GreaterThan(1)}); + const Matcher<int> g2 = AnyOfArray({GreaterThan(1), GreaterThan(2)}); + // Explains the first positive match and all prior negative matches... + EXPECT_EQ("which is 1 less than 1", Explain(g1, 0)); + EXPECT_EQ("which is the same as 1", Explain(g1, 1)); + EXPECT_EQ("which is 1 more than 1", Explain(g1, 2)); + EXPECT_EQ("which is 1 less than 1, and which is 2 less than 2", + Explain(g2, 0)); + EXPECT_EQ("which is the same as 1, and which is 1 less than 2", + Explain(g2, 1)); + EXPECT_EQ("which is 1 more than 1", // Only the first + Explain(g2, 2)); +} + +MATCHER(IsNotNull, "") { return arg != nullptr; } + +// Verifies that a matcher defined using MATCHER() can work on +// move-only types. +TEST(MatcherMacroTest, WorksOnMoveOnlyType) { + std::unique_ptr<int> p(new int(3)); + EXPECT_THAT(p, IsNotNull()); + EXPECT_THAT(std::unique_ptr<int>(), Not(IsNotNull())); +} + +MATCHER_P(UniquePointee, pointee, "") { return *arg == pointee; } + +// Verifies that a matcher defined using MATCHER_P*() can work on +// move-only types. +TEST(MatcherPMacroTest, WorksOnMoveOnlyType) { + std::unique_ptr<int> p(new int(3)); + EXPECT_THAT(p, UniquePointee(3)); + EXPECT_THAT(p, Not(UniquePointee(2))); +} + +MATCHER(EnsureNoUnusedButMarkedUnusedWarning, "") { return (arg % 2) == 0; } + +TEST(MockMethodMockFunctionTest, EnsureNoUnusedButMarkedUnusedWarning) { +#ifdef __clang__ +#pragma clang diagnostic push +#pragma clang diagnostic error "-Wused-but-marked-unused" +#endif + // https://github.com/google/googletest/issues/4055 + EXPECT_THAT(0, EnsureNoUnusedButMarkedUnusedWarning()); +#ifdef __clang__ +#pragma clang diagnostic pop +#endif +} + +#if GTEST_HAS_EXCEPTIONS + +// std::function<void()> is used below for compatibility with older copies of +// GCC. Normally, a raw lambda is all that is needed. + +// Test that examples from documentation compile +TEST(ThrowsTest, Examples) { + EXPECT_THAT( + std::function<void()>([]() { throw std::runtime_error("message"); }), + Throws<std::runtime_error>()); + + EXPECT_THAT( + std::function<void()>([]() { throw std::runtime_error("message"); }), + ThrowsMessage<std::runtime_error>(HasSubstr("message"))); +} + +TEST(ThrowsTest, PrintsExceptionWhat) { + EXPECT_THAT( + std::function<void()>([]() { throw std::runtime_error("ABC123XYZ"); }), + ThrowsMessage<std::runtime_error>(HasSubstr("ABC123XYZ"))); +} + +TEST(ThrowsTest, DoesNotGenerateDuplicateCatchClauseWarning) { + EXPECT_THAT(std::function<void()>([]() { throw std::exception(); }), + Throws<std::exception>()); +} + +TEST(ThrowsTest, CallableExecutedExactlyOnce) { + size_t a = 0; + + EXPECT_THAT(std::function<void()>([&a]() { + a++; + throw 10; + }), + Throws<int>()); + EXPECT_EQ(a, 1u); + + EXPECT_THAT(std::function<void()>([&a]() { + a++; + throw std::runtime_error("message"); + }), + Throws<std::runtime_error>()); + EXPECT_EQ(a, 2u); + + EXPECT_THAT(std::function<void()>([&a]() { + a++; + throw std::runtime_error("message"); + }), + ThrowsMessage<std::runtime_error>(HasSubstr("message"))); + EXPECT_EQ(a, 3u); + + EXPECT_THAT(std::function<void()>([&a]() { + a++; + throw std::runtime_error("message"); + }), + Throws<std::runtime_error>( + Property(&std::runtime_error::what, HasSubstr("message")))); + EXPECT_EQ(a, 4u); +} + +TEST(ThrowsTest, Describe) { + Matcher<std::function<void()>> matcher = Throws<std::runtime_error>(); + std::stringstream ss; + matcher.DescribeTo(&ss); + auto explanation = ss.str(); + EXPECT_THAT(explanation, HasSubstr("std::runtime_error")); +} + +TEST(ThrowsTest, Success) { + Matcher<std::function<void()>> matcher = Throws<std::runtime_error>(); + StringMatchResultListener listener; + EXPECT_TRUE(matcher.MatchAndExplain( + []() { throw std::runtime_error("error message"); }, &listener)); + EXPECT_THAT(listener.str(), HasSubstr("std::runtime_error")); +} + +TEST(ThrowsTest, FailWrongType) { + Matcher<std::function<void()>> matcher = Throws<std::runtime_error>(); + StringMatchResultListener listener; + EXPECT_FALSE(matcher.MatchAndExplain( + []() { throw std::logic_error("error message"); }, &listener)); + EXPECT_THAT(listener.str(), HasSubstr("std::logic_error")); + EXPECT_THAT(listener.str(), HasSubstr("\"error message\"")); +} + +TEST(ThrowsTest, FailWrongTypeNonStd) { + Matcher<std::function<void()>> matcher = Throws<std::runtime_error>(); + StringMatchResultListener listener; + EXPECT_FALSE(matcher.MatchAndExplain([]() { throw 10; }, &listener)); + EXPECT_THAT(listener.str(), + HasSubstr("throws an exception of an unknown type")); +} + +TEST(ThrowsTest, FailNoThrow) { + Matcher<std::function<void()>> matcher = Throws<std::runtime_error>(); + StringMatchResultListener listener; + EXPECT_FALSE(matcher.MatchAndExplain([]() { (void)0; }, &listener)); + EXPECT_THAT(listener.str(), HasSubstr("does not throw any exception")); +} + +class ThrowsPredicateTest + : public TestWithParam<Matcher<std::function<void()>>> {}; + +TEST_P(ThrowsPredicateTest, Describe) { + Matcher<std::function<void()>> matcher = GetParam(); + std::stringstream ss; + matcher.DescribeTo(&ss); + auto explanation = ss.str(); + EXPECT_THAT(explanation, HasSubstr("std::runtime_error")); + EXPECT_THAT(explanation, HasSubstr("error message")); +} + +TEST_P(ThrowsPredicateTest, Success) { + Matcher<std::function<void()>> matcher = GetParam(); + StringMatchResultListener listener; + EXPECT_TRUE(matcher.MatchAndExplain( + []() { throw std::runtime_error("error message"); }, &listener)); + EXPECT_THAT(listener.str(), HasSubstr("std::runtime_error")); +} + +TEST_P(ThrowsPredicateTest, FailWrongType) { + Matcher<std::function<void()>> matcher = GetParam(); + StringMatchResultListener listener; + EXPECT_FALSE(matcher.MatchAndExplain( + []() { throw std::logic_error("error message"); }, &listener)); + EXPECT_THAT(listener.str(), HasSubstr("std::logic_error")); + EXPECT_THAT(listener.str(), HasSubstr("\"error message\"")); +} + +TEST_P(ThrowsPredicateTest, FailWrongTypeNonStd) { + Matcher<std::function<void()>> matcher = GetParam(); + StringMatchResultListener listener; + EXPECT_FALSE(matcher.MatchAndExplain([]() { throw 10; }, &listener)); + EXPECT_THAT(listener.str(), + HasSubstr("throws an exception of an unknown type")); +} + +TEST_P(ThrowsPredicateTest, FailNoThrow) { + Matcher<std::function<void()>> matcher = GetParam(); + StringMatchResultListener listener; + EXPECT_FALSE(matcher.MatchAndExplain([]() {}, &listener)); + EXPECT_THAT(listener.str(), HasSubstr("does not throw any exception")); +} + +INSTANTIATE_TEST_SUITE_P( + AllMessagePredicates, ThrowsPredicateTest, + Values(Matcher<std::function<void()>>( + ThrowsMessage<std::runtime_error>(HasSubstr("error message"))))); + +// Tests that Throws<E1>(Matcher<E2>{}) compiles even when E2 != const E1&. +TEST(ThrowsPredicateCompilesTest, ExceptionMatcherAcceptsBroadType) { + { + Matcher<std::function<void()>> matcher = + ThrowsMessage<std::runtime_error>(HasSubstr("error message")); + EXPECT_TRUE( + matcher.Matches([]() { throw std::runtime_error("error message"); })); + EXPECT_FALSE( + matcher.Matches([]() { throw std::runtime_error("wrong message"); })); + } + + { + Matcher<uint64_t> inner = Eq(10); + Matcher<std::function<void()>> matcher = Throws<uint32_t>(inner); + EXPECT_TRUE(matcher.Matches([]() { throw (uint32_t)10; })); + EXPECT_FALSE(matcher.Matches([]() { throw (uint32_t)11; })); + } +} + +// Tests that ThrowsMessage("message") is equivalent +// to ThrowsMessage(Eq<std::string>("message")). +TEST(ThrowsPredicateCompilesTest, MessageMatcherAcceptsNonMatcher) { + Matcher<std::function<void()>> matcher = + ThrowsMessage<std::runtime_error>("error message"); + EXPECT_TRUE( + matcher.Matches([]() { throw std::runtime_error("error message"); })); + EXPECT_FALSE(matcher.Matches( + []() { throw std::runtime_error("wrong error message"); })); +} + +#endif // GTEST_HAS_EXCEPTIONS + +} // namespace +} // namespace gmock_matchers_test +} // namespace testing + +GTEST_DISABLE_MSC_WARNINGS_POP_() // 4244 4100 diff --git a/googlemock/test/gmock-matchers_test.cc b/googlemock/test/gmock-matchers_test.cc deleted file mode 100644 index 037352676f02..000000000000 --- a/googlemock/test/gmock-matchers_test.cc +++ /dev/null @@ -1,6801 +0,0 @@ -// Copyright 2007, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - -// Google Mock - a framework for writing C++ mock classes. -// -// This file tests some commonly used argument matchers. - -// Silence warning C4244: 'initializing': conversion from 'int' to 'short', -// possible loss of data and C4100, unreferenced local parameter -#ifdef _MSC_VER -# pragma warning(push) -# pragma warning(disable:4244) -# pragma warning(disable:4100) -#endif - -#include "gmock/gmock-matchers.h" -#include "gmock/gmock-more-matchers.h" - -#include <string.h> -#include <time.h> -#include <deque> -#include <forward_list> -#include <functional> -#include <iostream> -#include <iterator> -#include <limits> -#include <list> -#include <map> -#include <memory> -#include <set> -#include <sstream> -#include <string> -#include <type_traits> -#include <utility> -#include <vector> -#include "gmock/gmock.h" -#include "gtest/gtest.h" -#include "gtest/gtest-spi.h" - -namespace testing { -namespace gmock_matchers_test { -namespace { - -using std::greater; -using std::less; -using std::list; -using std::make_pair; -using std::map; -using std::multimap; -using std::multiset; -using std::ostream; -using std::pair; -using std::set; -using std::stringstream; -using std::vector; -using testing::internal::DummyMatchResultListener; -using testing::internal::ElementMatcherPair; -using testing::internal::ElementMatcherPairs; -using testing::internal::ExplainMatchFailureTupleTo; -using testing::internal::FloatingEqMatcher; -using testing::internal::FormatMatcherDescription; -using testing::internal::IsReadableTypeName; -using testing::internal::MatchMatrix; -using testing::internal::PredicateFormatterFromMatcher; -using testing::internal::RE; -using testing::internal::StreamMatchResultListener; -using testing::internal::Strings; - -// Helper for testing container-valued matchers in mock method context. It is -// important to test matchers in this context, since it requires additional type -// deduction beyond what EXPECT_THAT does, thus making it more restrictive. -struct ContainerHelper { - MOCK_METHOD1(Call, void(std::vector<std::unique_ptr<int>>)); -}; - -std::vector<std::unique_ptr<int>> MakeUniquePtrs(const std::vector<int>& ints) { - std::vector<std::unique_ptr<int>> pointers; - for (int i : ints) pointers.emplace_back(new int(i)); - return pointers; -} - -// For testing ExplainMatchResultTo(). -class GreaterThanMatcher : public MatcherInterface<int> { - public: - explicit GreaterThanMatcher(int rhs) : rhs_(rhs) {} - - void DescribeTo(ostream* os) const override { *os << "is > " << rhs_; } - - bool MatchAndExplain(int lhs, MatchResultListener* listener) const override { - const int diff = lhs - rhs_; - if (diff > 0) { - *listener << "which is " << diff << " more than " << rhs_; - } else if (diff == 0) { - *listener << "which is the same as " << rhs_; - } else { - *listener << "which is " << -diff << " less than " << rhs_; - } - - return lhs > rhs_; - } - - private: - int rhs_; -}; - -Matcher<int> GreaterThan(int n) { - return MakeMatcher(new GreaterThanMatcher(n)); -} - -std::string OfType(const std::string& type_name) { -#if GTEST_HAS_RTTI - return " (of type " + type_name + ")"; -#else - return ""; -#endif -} - -// Returns the description of the given matcher. -template <typename T> -std::string Describe(const Matcher<T>& m) { - return DescribeMatcher<T>(m); -} - -// Returns the description of the negation of the given matcher. -template <typename T> -std::string DescribeNegation(const Matcher<T>& m) { - return DescribeMatcher<T>(m, true); -} - -// Returns the reason why x matches, or doesn't match, m. -template <typename MatcherType, typename Value> -std::string Explain(const MatcherType& m, const Value& x) { - StringMatchResultListener listener; - ExplainMatchResult(m, x, &listener); - return listener.str(); -} - -TEST(MonotonicMatcherTest, IsPrintable) { - stringstream ss; - ss << GreaterThan(5); - EXPECT_EQ("is > 5", ss.str()); -} - -TEST(MatchResultListenerTest, StreamingWorks) { - StringMatchResultListener listener; - listener << "hi" << 5; - EXPECT_EQ("hi5", listener.str()); - - listener.Clear(); - EXPECT_EQ("", listener.str()); - - listener << 42; - EXPECT_EQ("42", listener.str()); - - // Streaming shouldn't crash when the underlying ostream is NULL. - DummyMatchResultListener dummy; - dummy << "hi" << 5; -} - -TEST(MatchResultListenerTest, CanAccessUnderlyingStream) { - EXPECT_TRUE(DummyMatchResultListener().stream() == nullptr); - EXPECT_TRUE(StreamMatchResultListener(nullptr).stream() == nullptr); - - EXPECT_EQ(&std::cout, StreamMatchResultListener(&std::cout).stream()); -} - -TEST(MatchResultListenerTest, IsInterestedWorks) { - EXPECT_TRUE(StringMatchResultListener().IsInterested()); - EXPECT_TRUE(StreamMatchResultListener(&std::cout).IsInterested()); - - EXPECT_FALSE(DummyMatchResultListener().IsInterested()); - EXPECT_FALSE(StreamMatchResultListener(nullptr).IsInterested()); -} - -// Makes sure that the MatcherInterface<T> interface doesn't -// change. -class EvenMatcherImpl : public MatcherInterface<int> { - public: - bool MatchAndExplain(int x, - MatchResultListener* /* listener */) const override { - return x % 2 == 0; - } - - void DescribeTo(ostream* os) const override { *os << "is an even number"; } - - // We deliberately don't define DescribeNegationTo() and - // ExplainMatchResultTo() here, to make sure the definition of these - // two methods is optional. -}; - -// Makes sure that the MatcherInterface API doesn't change. -TEST(MatcherInterfaceTest, CanBeImplementedUsingPublishedAPI) { - EvenMatcherImpl m; -} - -// Tests implementing a monomorphic matcher using MatchAndExplain(). - -class NewEvenMatcherImpl : public MatcherInterface<int> { - public: - bool MatchAndExplain(int x, MatchResultListener* listener) const override { - const bool match = x % 2 == 0; - // Verifies that we can stream to a listener directly. - *listener << "value % " << 2; - if (listener->stream() != nullptr) { - // Verifies that we can stream to a listener's underlying stream - // too. - *listener->stream() << " == " << (x % 2); - } - return match; - } - - void DescribeTo(ostream* os) const override { *os << "is an even number"; } -}; - -TEST(MatcherInterfaceTest, CanBeImplementedUsingNewAPI) { - Matcher<int> m = MakeMatcher(new NewEvenMatcherImpl); - EXPECT_TRUE(m.Matches(2)); - EXPECT_FALSE(m.Matches(3)); - EXPECT_EQ("value % 2 == 0", Explain(m, 2)); - EXPECT_EQ("value % 2 == 1", Explain(m, 3)); -} - -// Tests default-constructing a matcher. -TEST(MatcherTest, CanBeDefaultConstructed) { - Matcher<double> m; -} - -// Tests that Matcher<T> can be constructed from a MatcherInterface<T>*. -TEST(MatcherTest, CanBeConstructedFromMatcherInterface) { - const MatcherInterface<int>* impl = new EvenMatcherImpl; - Matcher<int> m(impl); - EXPECT_TRUE(m.Matches(4)); - EXPECT_FALSE(m.Matches(5)); -} - -// Tests that value can be used in place of Eq(value). -TEST(MatcherTest, CanBeImplicitlyConstructedFromValue) { - Matcher<int> m1 = 5; - EXPECT_TRUE(m1.Matches(5)); - EXPECT_FALSE(m1.Matches(6)); -} - -// Tests that NULL can be used in place of Eq(NULL). -TEST(MatcherTest, CanBeImplicitlyConstructedFromNULL) { - Matcher<int*> m1 = nullptr; - EXPECT_TRUE(m1.Matches(nullptr)); - int n = 0; - EXPECT_FALSE(m1.Matches(&n)); -} - -// Tests that matchers can be constructed from a variable that is not properly -// defined. This should be illegal, but many users rely on this accidentally. -struct Undefined { - virtual ~Undefined() = 0; - static const int kInt = 1; -}; - -TEST(MatcherTest, CanBeConstructedFromUndefinedVariable) { - Matcher<int> m1 = Undefined::kInt; - EXPECT_TRUE(m1.Matches(1)); - EXPECT_FALSE(m1.Matches(2)); -} - -// Test that a matcher parameterized with an abstract class compiles. -TEST(MatcherTest, CanAcceptAbstractClass) { Matcher<const Undefined&> m = _; } - -// Tests that matchers are copyable. -TEST(MatcherTest, IsCopyable) { - // Tests the copy constructor. - Matcher<bool> m1 = Eq(false); - EXPECT_TRUE(m1.Matches(false)); - EXPECT_FALSE(m1.Matches(true)); - - // Tests the assignment operator. - m1 = Eq(true); - EXPECT_TRUE(m1.Matches(true)); - EXPECT_FALSE(m1.Matches(false)); -} - -// Tests that Matcher<T>::DescribeTo() calls -// MatcherInterface<T>::DescribeTo(). -TEST(MatcherTest, CanDescribeItself) { - EXPECT_EQ("is an even number", - Describe(Matcher<int>(new EvenMatcherImpl))); -} - -// Tests Matcher<T>::MatchAndExplain(). -TEST(MatcherTest, MatchAndExplain) { - Matcher<int> m = GreaterThan(0); - StringMatchResultListener listener1; - EXPECT_TRUE(m.MatchAndExplain(42, &listener1)); - EXPECT_EQ("which is 42 more than 0", listener1.str()); - - StringMatchResultListener listener2; - EXPECT_FALSE(m.MatchAndExplain(-9, &listener2)); - EXPECT_EQ("which is 9 less than 0", listener2.str()); -} - -// Tests that a C-string literal can be implicitly converted to a -// Matcher<std::string> or Matcher<const std::string&>. -TEST(StringMatcherTest, CanBeImplicitlyConstructedFromCStringLiteral) { - Matcher<std::string> m1 = "hi"; - EXPECT_TRUE(m1.Matches("hi")); - EXPECT_FALSE(m1.Matches("hello")); - - Matcher<const std::string&> m2 = "hi"; - EXPECT_TRUE(m2.Matches("hi")); - EXPECT_FALSE(m2.Matches("hello")); -} - -// Tests that a string object can be implicitly converted to a -// Matcher<std::string> or Matcher<const std::string&>. -TEST(StringMatcherTest, CanBeImplicitlyConstructedFromString) { - Matcher<std::string> m1 = std::string("hi"); - EXPECT_TRUE(m1.Matches("hi")); - EXPECT_FALSE(m1.Matches("hello")); - - Matcher<const std::string&> m2 = std::string("hi"); - EXPECT_TRUE(m2.Matches("hi")); - EXPECT_FALSE(m2.Matches("hello")); -} - -#if GTEST_HAS_ABSL -// Tests that a C-string literal can be implicitly converted to a -// Matcher<absl::string_view> or Matcher<const absl::string_view&>. -TEST(StringViewMatcherTest, CanBeImplicitlyConstructedFromCStringLiteral) { - Matcher<absl::string_view> m1 = "cats"; - EXPECT_TRUE(m1.Matches("cats")); - EXPECT_FALSE(m1.Matches("dogs")); - - Matcher<const absl::string_view&> m2 = "cats"; - EXPECT_TRUE(m2.Matches("cats")); - EXPECT_FALSE(m2.Matches("dogs")); -} - -// Tests that a std::string object can be implicitly converted to a -// Matcher<absl::string_view> or Matcher<const absl::string_view&>. -TEST(StringViewMatcherTest, CanBeImplicitlyConstructedFromString) { - Matcher<absl::string_view> m1 = std::string("cats"); - EXPECT_TRUE(m1.Matches("cats")); - EXPECT_FALSE(m1.Matches("dogs")); - - Matcher<const absl::string_view&> m2 = std::string("cats"); - EXPECT_TRUE(m2.Matches("cats")); - EXPECT_FALSE(m2.Matches("dogs")); -} - -// Tests that a absl::string_view object can be implicitly converted to a -// Matcher<absl::string_view> or Matcher<const absl::string_view&>. -TEST(StringViewMatcherTest, CanBeImplicitlyConstructedFromStringView) { - Matcher<absl::string_view> m1 = absl::string_view("cats"); - EXPECT_TRUE(m1.Matches("cats")); - EXPECT_FALSE(m1.Matches("dogs")); - - Matcher<const absl::string_view&> m2 = absl::string_view("cats"); - EXPECT_TRUE(m2.Matches("cats")); - EXPECT_FALSE(m2.Matches("dogs")); -} -#endif // GTEST_HAS_ABSL - -// Tests that a std::reference_wrapper<std::string> object can be implicitly -// converted to a Matcher<std::string> or Matcher<const std::string&> via Eq(). -TEST(StringMatcherTest, - CanBeImplicitlyConstructedFromEqReferenceWrapperString) { - std::string value = "cats"; - Matcher<std::string> m1 = Eq(std::ref(value)); - EXPECT_TRUE(m1.Matches("cats")); - EXPECT_FALSE(m1.Matches("dogs")); - - Matcher<const std::string&> m2 = Eq(std::ref(value)); - EXPECT_TRUE(m2.Matches("cats")); - EXPECT_FALSE(m2.Matches("dogs")); -} - -// Tests that MakeMatcher() constructs a Matcher<T> from a -// MatcherInterface* without requiring the user to explicitly -// write the type. -TEST(MakeMatcherTest, ConstructsMatcherFromMatcherInterface) { - const MatcherInterface<int>* dummy_impl = nullptr; - Matcher<int> m = MakeMatcher(dummy_impl); -} - -// Tests that MakePolymorphicMatcher() can construct a polymorphic -// matcher from its implementation using the old API. -const int g_bar = 1; -class ReferencesBarOrIsZeroImpl { - public: - template <typename T> - bool MatchAndExplain(const T& x, - MatchResultListener* /* listener */) const { - const void* p = &x; - return p == &g_bar || x == 0; - } - - void DescribeTo(ostream* os) const { *os << "g_bar or zero"; } - - void DescribeNegationTo(ostream* os) const { - *os << "doesn't reference g_bar and is not zero"; - } -}; - -// This function verifies that MakePolymorphicMatcher() returns a -// PolymorphicMatcher<T> where T is the argument's type. -PolymorphicMatcher<ReferencesBarOrIsZeroImpl> ReferencesBarOrIsZero() { - return MakePolymorphicMatcher(ReferencesBarOrIsZeroImpl()); -} - -TEST(MakePolymorphicMatcherTest, ConstructsMatcherUsingOldAPI) { - // Using a polymorphic matcher to match a reference type. - Matcher<const int&> m1 = ReferencesBarOrIsZero(); - EXPECT_TRUE(m1.Matches(0)); - // Verifies that the identity of a by-reference argument is preserved. - EXPECT_TRUE(m1.Matches(g_bar)); - EXPECT_FALSE(m1.Matches(1)); - EXPECT_EQ("g_bar or zero", Describe(m1)); - - // Using a polymorphic matcher to match a value type. - Matcher<double> m2 = ReferencesBarOrIsZero(); - EXPECT_TRUE(m2.Matches(0.0)); - EXPECT_FALSE(m2.Matches(0.1)); - EXPECT_EQ("g_bar or zero", Describe(m2)); -} - -// Tests implementing a polymorphic matcher using MatchAndExplain(). - -class PolymorphicIsEvenImpl { - public: - void DescribeTo(ostream* os) const { *os << "is even"; } - - void DescribeNegationTo(ostream* os) const { - *os << "is odd"; - } - - template <typename T> - bool MatchAndExplain(const T& x, MatchResultListener* listener) const { - // Verifies that we can stream to the listener directly. - *listener << "% " << 2; - if (listener->stream() != nullptr) { - // Verifies that we can stream to the listener's underlying stream - // too. - *listener->stream() << " == " << (x % 2); - } - return (x % 2) == 0; - } -}; - -PolymorphicMatcher<PolymorphicIsEvenImpl> PolymorphicIsEven() { - return MakePolymorphicMatcher(PolymorphicIsEvenImpl()); -} - -TEST(MakePolymorphicMatcherTest, ConstructsMatcherUsingNewAPI) { - // Using PolymorphicIsEven() as a Matcher<int>. - const Matcher<int> m1 = PolymorphicIsEven(); - EXPECT_TRUE(m1.Matches(42)); - EXPECT_FALSE(m1.Matches(43)); - EXPECT_EQ("is even", Describe(m1)); - - const Matcher<int> not_m1 = Not(m1); - EXPECT_EQ("is odd", Describe(not_m1)); - - EXPECT_EQ("% 2 == 0", Explain(m1, 42)); - - // Using PolymorphicIsEven() as a Matcher<char>. - const Matcher<char> m2 = PolymorphicIsEven(); - EXPECT_TRUE(m2.Matches('\x42')); - EXPECT_FALSE(m2.Matches('\x43')); - EXPECT_EQ("is even", Describe(m2)); - - const Matcher<char> not_m2 = Not(m2); - EXPECT_EQ("is odd", Describe(not_m2)); - - EXPECT_EQ("% 2 == 0", Explain(m2, '\x42')); -} - -// Tests that MatcherCast<T>(m) works when m is a polymorphic matcher. -TEST(MatcherCastTest, FromPolymorphicMatcher) { - Matcher<int> m = MatcherCast<int>(Eq(5)); - EXPECT_TRUE(m.Matches(5)); - EXPECT_FALSE(m.Matches(6)); -} - -// For testing casting matchers between compatible types. -class IntValue { - public: - // An int can be statically (although not implicitly) cast to a - // IntValue. - explicit IntValue(int a_value) : value_(a_value) {} - - int value() const { return value_; } - private: - int value_; -}; - -// For testing casting matchers between compatible types. -bool IsPositiveIntValue(const IntValue& foo) { - return foo.value() > 0; -} - -// Tests that MatcherCast<T>(m) works when m is a Matcher<U> where T -// can be statically converted to U. -TEST(MatcherCastTest, FromCompatibleType) { - Matcher<double> m1 = Eq(2.0); - Matcher<int> m2 = MatcherCast<int>(m1); - EXPECT_TRUE(m2.Matches(2)); - EXPECT_FALSE(m2.Matches(3)); - - Matcher<IntValue> m3 = Truly(IsPositiveIntValue); - Matcher<int> m4 = MatcherCast<int>(m3); - // In the following, the arguments 1 and 0 are statically converted - // to IntValue objects, and then tested by the IsPositiveIntValue() - // predicate. - EXPECT_TRUE(m4.Matches(1)); - EXPECT_FALSE(m4.Matches(0)); -} - -// Tests that MatcherCast<T>(m) works when m is a Matcher<const T&>. -TEST(MatcherCastTest, FromConstReferenceToNonReference) { - Matcher<const int&> m1 = Eq(0); - Matcher<int> m2 = MatcherCast<int>(m1); - EXPECT_TRUE(m2.Matches(0)); - EXPECT_FALSE(m2.Matches(1)); -} - -// Tests that MatcherCast<T>(m) works when m is a Matcher<T&>. -TEST(MatcherCastTest, FromReferenceToNonReference) { - Matcher<int&> m1 = Eq(0); - Matcher<int> m2 = MatcherCast<int>(m1); - EXPECT_TRUE(m2.Matches(0)); - EXPECT_FALSE(m2.Matches(1)); -} - -// Tests that MatcherCast<const T&>(m) works when m is a Matcher<T>. -TEST(MatcherCastTest, FromNonReferenceToConstReference) { - Matcher<int> m1 = Eq(0); - Matcher<const int&> m2 = MatcherCast<const int&>(m1); - EXPECT_TRUE(m2.Matches(0)); - EXPECT_FALSE(m2.Matches(1)); -} - -// Tests that MatcherCast<T&>(m) works when m is a Matcher<T>. -TEST(MatcherCastTest, FromNonReferenceToReference) { - Matcher<int> m1 = Eq(0); - Matcher<int&> m2 = MatcherCast<int&>(m1); - int n = 0; - EXPECT_TRUE(m2.Matches(n)); - n = 1; - EXPECT_FALSE(m2.Matches(n)); -} - -// Tests that MatcherCast<T>(m) works when m is a Matcher<T>. -TEST(MatcherCastTest, FromSameType) { - Matcher<int> m1 = Eq(0); - Matcher<int> m2 = MatcherCast<int>(m1); - EXPECT_TRUE(m2.Matches(0)); - EXPECT_FALSE(m2.Matches(1)); -} - -// Tests that MatcherCast<T>(m) works when m is a value of the same type as the -// value type of the Matcher. -TEST(MatcherCastTest, FromAValue) { - Matcher<int> m = MatcherCast<int>(42); - EXPECT_TRUE(m.Matches(42)); - EXPECT_FALSE(m.Matches(239)); -} - -// Tests that MatcherCast<T>(m) works when m is a value of the type implicitly -// convertible to the value type of the Matcher. -TEST(MatcherCastTest, FromAnImplicitlyConvertibleValue) { - const int kExpected = 'c'; - Matcher<int> m = MatcherCast<int>('c'); - EXPECT_TRUE(m.Matches(kExpected)); - EXPECT_FALSE(m.Matches(kExpected + 1)); -} - -struct NonImplicitlyConstructibleTypeWithOperatorEq { - friend bool operator==( - const NonImplicitlyConstructibleTypeWithOperatorEq& /* ignored */, - int rhs) { - return 42 == rhs; - } - friend bool operator==( - int lhs, - const NonImplicitlyConstructibleTypeWithOperatorEq& /* ignored */) { - return lhs == 42; - } -}; - -// Tests that MatcherCast<T>(m) works when m is a neither a matcher nor -// implicitly convertible to the value type of the Matcher, but the value type -// of the matcher has operator==() overload accepting m. -TEST(MatcherCastTest, NonImplicitlyConstructibleTypeWithOperatorEq) { - Matcher<NonImplicitlyConstructibleTypeWithOperatorEq> m1 = - MatcherCast<NonImplicitlyConstructibleTypeWithOperatorEq>(42); - EXPECT_TRUE(m1.Matches(NonImplicitlyConstructibleTypeWithOperatorEq())); - - Matcher<NonImplicitlyConstructibleTypeWithOperatorEq> m2 = - MatcherCast<NonImplicitlyConstructibleTypeWithOperatorEq>(239); - EXPECT_FALSE(m2.Matches(NonImplicitlyConstructibleTypeWithOperatorEq())); - - // When updating the following lines please also change the comment to - // namespace convertible_from_any. - Matcher<int> m3 = - MatcherCast<int>(NonImplicitlyConstructibleTypeWithOperatorEq()); - EXPECT_TRUE(m3.Matches(42)); - EXPECT_FALSE(m3.Matches(239)); -} - -// ConvertibleFromAny does not work with MSVC. resulting in -// error C2440: 'initializing': cannot convert from 'Eq' to 'M' -// No constructor could take the source type, or constructor overload -// resolution was ambiguous - -#if !defined _MSC_VER - -// The below ConvertibleFromAny struct is implicitly constructible from anything -// and when in the same namespace can interact with other tests. In particular, -// if it is in the same namespace as other tests and one removes -// NonImplicitlyConstructibleTypeWithOperatorEq::operator==(int lhs, ...); -// then the corresponding test still compiles (and it should not!) by implicitly -// converting NonImplicitlyConstructibleTypeWithOperatorEq to ConvertibleFromAny -// in m3.Matcher(). -namespace convertible_from_any { -// Implicitly convertible from any type. -struct ConvertibleFromAny { - ConvertibleFromAny(int a_value) : value(a_value) {} - template <typename T> - ConvertibleFromAny(const T& /*a_value*/) : value(-1) { - ADD_FAILURE() << "Conversion constructor called"; - } - int value; -}; - -bool operator==(const ConvertibleFromAny& a, const ConvertibleFromAny& b) { - return a.value == b.value; -} - -ostream& operator<<(ostream& os, const ConvertibleFromAny& a) { - return os << a.value; -} - -TEST(MatcherCastTest, ConversionConstructorIsUsed) { - Matcher<ConvertibleFromAny> m = MatcherCast<ConvertibleFromAny>(1); - EXPECT_TRUE(m.Matches(ConvertibleFromAny(1))); - EXPECT_FALSE(m.Matches(ConvertibleFromAny(2))); -} - -TEST(MatcherCastTest, FromConvertibleFromAny) { - Matcher<ConvertibleFromAny> m = - MatcherCast<ConvertibleFromAny>(Eq(ConvertibleFromAny(1))); - EXPECT_TRUE(m.Matches(ConvertibleFromAny(1))); - EXPECT_FALSE(m.Matches(ConvertibleFromAny(2))); -} -} // namespace convertible_from_any - -#endif // !defined _MSC_VER - -struct IntReferenceWrapper { - IntReferenceWrapper(const int& a_value) : value(&a_value) {} - const int* value; -}; - -bool operator==(const IntReferenceWrapper& a, const IntReferenceWrapper& b) { - return a.value == b.value; -} - -TEST(MatcherCastTest, ValueIsNotCopied) { - int n = 42; - Matcher<IntReferenceWrapper> m = MatcherCast<IntReferenceWrapper>(n); - // Verify that the matcher holds a reference to n, not to its temporary copy. - EXPECT_TRUE(m.Matches(n)); -} - -class Base { - public: - virtual ~Base() {} - Base() {} - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(Base); -}; - -class Derived : public Base { - public: - Derived() : Base() {} - int i; -}; - -class OtherDerived : public Base {}; - -// Tests that SafeMatcherCast<T>(m) works when m is a polymorphic matcher. -TEST(SafeMatcherCastTest, FromPolymorphicMatcher) { - Matcher<char> m2 = SafeMatcherCast<char>(Eq(32)); - EXPECT_TRUE(m2.Matches(' ')); - EXPECT_FALSE(m2.Matches('\n')); -} - -// Tests that SafeMatcherCast<T>(m) works when m is a Matcher<U> where -// T and U are arithmetic types and T can be losslessly converted to -// U. -TEST(SafeMatcherCastTest, FromLosslesslyConvertibleArithmeticType) { - Matcher<double> m1 = DoubleEq(1.0); - Matcher<float> m2 = SafeMatcherCast<float>(m1); - EXPECT_TRUE(m2.Matches(1.0f)); - EXPECT_FALSE(m2.Matches(2.0f)); - - Matcher<char> m3 = SafeMatcherCast<char>(TypedEq<int>('a')); - EXPECT_TRUE(m3.Matches('a')); - EXPECT_FALSE(m3.Matches('b')); -} - -// Tests that SafeMatcherCast<T>(m) works when m is a Matcher<U> where T and U -// are pointers or references to a derived and a base class, correspondingly. -TEST(SafeMatcherCastTest, FromBaseClass) { - Derived d, d2; - Matcher<Base*> m1 = Eq(&d); - Matcher<Derived*> m2 = SafeMatcherCast<Derived*>(m1); - EXPECT_TRUE(m2.Matches(&d)); - EXPECT_FALSE(m2.Matches(&d2)); - - Matcher<Base&> m3 = Ref(d); - Matcher<Derived&> m4 = SafeMatcherCast<Derived&>(m3); - EXPECT_TRUE(m4.Matches(d)); - EXPECT_FALSE(m4.Matches(d2)); -} - -// Tests that SafeMatcherCast<T&>(m) works when m is a Matcher<const T&>. -TEST(SafeMatcherCastTest, FromConstReferenceToReference) { - int n = 0; - Matcher<const int&> m1 = Ref(n); - Matcher<int&> m2 = SafeMatcherCast<int&>(m1); - int n1 = 0; - EXPECT_TRUE(m2.Matches(n)); - EXPECT_FALSE(m2.Matches(n1)); -} - -// Tests that MatcherCast<const T&>(m) works when m is a Matcher<T>. -TEST(SafeMatcherCastTest, FromNonReferenceToConstReference) { - Matcher<int> m1 = Eq(0); - Matcher<const int&> m2 = SafeMatcherCast<const int&>(m1); - EXPECT_TRUE(m2.Matches(0)); - EXPECT_FALSE(m2.Matches(1)); -} - -// Tests that SafeMatcherCast<T&>(m) works when m is a Matcher<T>. -TEST(SafeMatcherCastTest, FromNonReferenceToReference) { - Matcher<int> m1 = Eq(0); - Matcher<int&> m2 = SafeMatcherCast<int&>(m1); - int n = 0; - EXPECT_TRUE(m2.Matches(n)); - n = 1; - EXPECT_FALSE(m2.Matches(n)); -} - -// Tests that SafeMatcherCast<T>(m) works when m is a Matcher<T>. -TEST(SafeMatcherCastTest, FromSameType) { - Matcher<int> m1 = Eq(0); - Matcher<int> m2 = SafeMatcherCast<int>(m1); - EXPECT_TRUE(m2.Matches(0)); - EXPECT_FALSE(m2.Matches(1)); -} - -#if !defined _MSC_VER - -namespace convertible_from_any { -TEST(SafeMatcherCastTest, ConversionConstructorIsUsed) { - Matcher<ConvertibleFromAny> m = SafeMatcherCast<ConvertibleFromAny>(1); - EXPECT_TRUE(m.Matches(ConvertibleFromAny(1))); - EXPECT_FALSE(m.Matches(ConvertibleFromAny(2))); -} - -TEST(SafeMatcherCastTest, FromConvertibleFromAny) { - Matcher<ConvertibleFromAny> m = - SafeMatcherCast<ConvertibleFromAny>(Eq(ConvertibleFromAny(1))); - EXPECT_TRUE(m.Matches(ConvertibleFromAny(1))); - EXPECT_FALSE(m.Matches(ConvertibleFromAny(2))); -} -} // namespace convertible_from_any - -#endif // !defined _MSC_VER - -TEST(SafeMatcherCastTest, ValueIsNotCopied) { - int n = 42; - Matcher<IntReferenceWrapper> m = SafeMatcherCast<IntReferenceWrapper>(n); - // Verify that the matcher holds a reference to n, not to its temporary copy. - EXPECT_TRUE(m.Matches(n)); -} - -TEST(ExpectThat, TakesLiterals) { - EXPECT_THAT(1, 1); - EXPECT_THAT(1.0, 1.0); - EXPECT_THAT(std::string(), ""); -} - -TEST(ExpectThat, TakesFunctions) { - struct Helper { - static void Func() {} - }; - void (*func)() = Helper::Func; - EXPECT_THAT(func, Helper::Func); - EXPECT_THAT(func, &Helper::Func); -} - -// Tests that A<T>() matches any value of type T. -TEST(ATest, MatchesAnyValue) { - // Tests a matcher for a value type. - Matcher<double> m1 = A<double>(); - EXPECT_TRUE(m1.Matches(91.43)); - EXPECT_TRUE(m1.Matches(-15.32)); - - // Tests a matcher for a reference type. - int a = 2; - int b = -6; - Matcher<int&> m2 = A<int&>(); - EXPECT_TRUE(m2.Matches(a)); - EXPECT_TRUE(m2.Matches(b)); -} - -TEST(ATest, WorksForDerivedClass) { - Base base; - Derived derived; - EXPECT_THAT(&base, A<Base*>()); - // This shouldn't compile: EXPECT_THAT(&base, A<Derived*>()); - EXPECT_THAT(&derived, A<Base*>()); - EXPECT_THAT(&derived, A<Derived*>()); -} - -// Tests that A<T>() describes itself properly. -TEST(ATest, CanDescribeSelf) { - EXPECT_EQ("is anything", Describe(A<bool>())); -} - -// Tests that An<T>() matches any value of type T. -TEST(AnTest, MatchesAnyValue) { - // Tests a matcher for a value type. - Matcher<int> m1 = An<int>(); - EXPECT_TRUE(m1.Matches(9143)); - EXPECT_TRUE(m1.Matches(-1532)); - - // Tests a matcher for a reference type. - int a = 2; - int b = -6; - Matcher<int&> m2 = An<int&>(); - EXPECT_TRUE(m2.Matches(a)); - EXPECT_TRUE(m2.Matches(b)); -} - -// Tests that An<T>() describes itself properly. -TEST(AnTest, CanDescribeSelf) { - EXPECT_EQ("is anything", Describe(An<int>())); -} - -// Tests that _ can be used as a matcher for any type and matches any -// value of that type. -TEST(UnderscoreTest, MatchesAnyValue) { - // Uses _ as a matcher for a value type. - Matcher<int> m1 = _; - EXPECT_TRUE(m1.Matches(123)); - EXPECT_TRUE(m1.Matches(-242)); - - // Uses _ as a matcher for a reference type. - bool a = false; - const bool b = true; - Matcher<const bool&> m2 = _; - EXPECT_TRUE(m2.Matches(a)); - EXPECT_TRUE(m2.Matches(b)); -} - -// Tests that _ describes itself properly. -TEST(UnderscoreTest, CanDescribeSelf) { - Matcher<int> m = _; - EXPECT_EQ("is anything", Describe(m)); -} - -// Tests that Eq(x) matches any value equal to x. -TEST(EqTest, MatchesEqualValue) { - // 2 C-strings with same content but different addresses. - const char a1[] = "hi"; - const char a2[] = "hi"; - - Matcher<const char*> m1 = Eq(a1); - EXPECT_TRUE(m1.Matches(a1)); - EXPECT_FALSE(m1.Matches(a2)); -} - -// Tests that Eq(v) describes itself properly. - -class Unprintable { - public: - Unprintable() : c_('a') {} - - bool operator==(const Unprintable& /* rhs */) const { return true; } - // -Wunused-private-field: dummy accessor for `c_`. - char dummy_c() { return c_; } - private: - char c_; -}; - -TEST(EqTest, CanDescribeSelf) { - Matcher<Unprintable> m = Eq(Unprintable()); - EXPECT_EQ("is equal to 1-byte object <61>", Describe(m)); -} - -// Tests that Eq(v) can be used to match any type that supports -// comparing with type T, where T is v's type. -TEST(EqTest, IsPolymorphic) { - Matcher<int> m1 = Eq(1); - EXPECT_TRUE(m1.Matches(1)); - EXPECT_FALSE(m1.Matches(2)); - - Matcher<char> m2 = Eq(1); - EXPECT_TRUE(m2.Matches('\1')); - EXPECT_FALSE(m2.Matches('a')); -} - -// Tests that TypedEq<T>(v) matches values of type T that's equal to v. -TEST(TypedEqTest, ChecksEqualityForGivenType) { - Matcher<char> m1 = TypedEq<char>('a'); - EXPECT_TRUE(m1.Matches('a')); - EXPECT_FALSE(m1.Matches('b')); - - Matcher<int> m2 = TypedEq<int>(6); - EXPECT_TRUE(m2.Matches(6)); - EXPECT_FALSE(m2.Matches(7)); -} - -// Tests that TypedEq(v) describes itself properly. -TEST(TypedEqTest, CanDescribeSelf) { - EXPECT_EQ("is equal to 2", Describe(TypedEq<int>(2))); -} - -// Tests that TypedEq<T>(v) has type Matcher<T>. - -// Type<T>::IsTypeOf(v) compiles if and only if the type of value v is T, where -// T is a "bare" type (i.e. not in the form of const U or U&). If v's type is -// not T, the compiler will generate a message about "undefined reference". -template <typename T> -struct Type { - static bool IsTypeOf(const T& /* v */) { return true; } - - template <typename T2> - static void IsTypeOf(T2 v); -}; - -TEST(TypedEqTest, HasSpecifiedType) { - // Verfies that the type of TypedEq<T>(v) is Matcher<T>. - Type<Matcher<int> >::IsTypeOf(TypedEq<int>(5)); - Type<Matcher<double> >::IsTypeOf(TypedEq<double>(5)); -} - -// Tests that Ge(v) matches anything >= v. -TEST(GeTest, ImplementsGreaterThanOrEqual) { - Matcher<int> m1 = Ge(0); - EXPECT_TRUE(m1.Matches(1)); - EXPECT_TRUE(m1.Matches(0)); - EXPECT_FALSE(m1.Matches(-1)); -} - -// Tests that Ge(v) describes itself properly. -TEST(GeTest, CanDescribeSelf) { - Matcher<int> m = Ge(5); - EXPECT_EQ("is >= 5", Describe(m)); -} - -// Tests that Gt(v) matches anything > v. -TEST(GtTest, ImplementsGreaterThan) { - Matcher<double> m1 = Gt(0); - EXPECT_TRUE(m1.Matches(1.0)); - EXPECT_FALSE(m1.Matches(0.0)); - EXPECT_FALSE(m1.Matches(-1.0)); -} - -// Tests that Gt(v) describes itself properly. -TEST(GtTest, CanDescribeSelf) { - Matcher<int> m = Gt(5); - EXPECT_EQ("is > 5", Describe(m)); -} - -// Tests that Le(v) matches anything <= v. -TEST(LeTest, ImplementsLessThanOrEqual) { - Matcher<char> m1 = Le('b'); - EXPECT_TRUE(m1.Matches('a')); - EXPECT_TRUE(m1.Matches('b')); - EXPECT_FALSE(m1.Matches('c')); -} - -// Tests that Le(v) describes itself properly. -TEST(LeTest, CanDescribeSelf) { - Matcher<int> m = Le(5); - EXPECT_EQ("is <= 5", Describe(m)); -} - -// Tests that Lt(v) matches anything < v. -TEST(LtTest, ImplementsLessThan) { - Matcher<const std::string&> m1 = Lt("Hello"); - EXPECT_TRUE(m1.Matches("Abc")); - EXPECT_FALSE(m1.Matches("Hello")); - EXPECT_FALSE(m1.Matches("Hello, world!")); -} - -// Tests that Lt(v) describes itself properly. -TEST(LtTest, CanDescribeSelf) { - Matcher<int> m = Lt(5); - EXPECT_EQ("is < 5", Describe(m)); -} - -// Tests that Ne(v) matches anything != v. -TEST(NeTest, ImplementsNotEqual) { - Matcher<int> m1 = Ne(0); - EXPECT_TRUE(m1.Matches(1)); - EXPECT_TRUE(m1.Matches(-1)); - EXPECT_FALSE(m1.Matches(0)); -} - -// Tests that Ne(v) describes itself properly. -TEST(NeTest, CanDescribeSelf) { - Matcher<int> m = Ne(5); - EXPECT_EQ("isn't equal to 5", Describe(m)); -} - -class MoveOnly { - public: - explicit MoveOnly(int i) : i_(i) {} - MoveOnly(const MoveOnly&) = delete; - MoveOnly(MoveOnly&&) = default; - MoveOnly& operator=(const MoveOnly&) = delete; - MoveOnly& operator=(MoveOnly&&) = default; - - bool operator==(const MoveOnly& other) const { return i_ == other.i_; } - bool operator!=(const MoveOnly& other) const { return i_ != other.i_; } - bool operator<(const MoveOnly& other) const { return i_ < other.i_; } - bool operator<=(const MoveOnly& other) const { return i_ <= other.i_; } - bool operator>(const MoveOnly& other) const { return i_ > other.i_; } - bool operator>=(const MoveOnly& other) const { return i_ >= other.i_; } - - private: - int i_; -}; - -struct MoveHelper { - MOCK_METHOD1(Call, void(MoveOnly)); -}; - -TEST(ComparisonBaseTest, WorksWithMoveOnly) { - MoveOnly m{0}; - MoveHelper helper; - - EXPECT_CALL(helper, Call(Eq(ByRef(m)))); - helper.Call(MoveOnly(0)); - EXPECT_CALL(helper, Call(Ne(ByRef(m)))); - helper.Call(MoveOnly(1)); - EXPECT_CALL(helper, Call(Le(ByRef(m)))); - helper.Call(MoveOnly(0)); - EXPECT_CALL(helper, Call(Lt(ByRef(m)))); - helper.Call(MoveOnly(-1)); - EXPECT_CALL(helper, Call(Ge(ByRef(m)))); - helper.Call(MoveOnly(0)); - EXPECT_CALL(helper, Call(Gt(ByRef(m)))); - helper.Call(MoveOnly(1)); -} - -// Tests that IsNull() matches any NULL pointer of any type. -TEST(IsNullTest, MatchesNullPointer) { - Matcher<int*> m1 = IsNull(); - int* p1 = nullptr; - int n = 0; - EXPECT_TRUE(m1.Matches(p1)); - EXPECT_FALSE(m1.Matches(&n)); - - Matcher<const char*> m2 = IsNull(); - const char* p2 = nullptr; - EXPECT_TRUE(m2.Matches(p2)); - EXPECT_FALSE(m2.Matches("hi")); - - Matcher<void*> m3 = IsNull(); - void* p3 = nullptr; - EXPECT_TRUE(m3.Matches(p3)); - EXPECT_FALSE(m3.Matches(reinterpret_cast<void*>(0xbeef))); -} - -TEST(IsNullTest, StdFunction) { - const Matcher<std::function<void()>> m = IsNull(); - - EXPECT_TRUE(m.Matches(std::function<void()>())); - EXPECT_FALSE(m.Matches([]{})); -} - -// Tests that IsNull() describes itself properly. -TEST(IsNullTest, CanDescribeSelf) { - Matcher<int*> m = IsNull(); - EXPECT_EQ("is NULL", Describe(m)); - EXPECT_EQ("isn't NULL", DescribeNegation(m)); -} - -// Tests that NotNull() matches any non-NULL pointer of any type. -TEST(NotNullTest, MatchesNonNullPointer) { - Matcher<int*> m1 = NotNull(); - int* p1 = nullptr; - int n = 0; - EXPECT_FALSE(m1.Matches(p1)); - EXPECT_TRUE(m1.Matches(&n)); - - Matcher<const char*> m2 = NotNull(); - const char* p2 = nullptr; - EXPECT_FALSE(m2.Matches(p2)); - EXPECT_TRUE(m2.Matches("hi")); -} - -TEST(NotNullTest, LinkedPtr) { - const Matcher<std::shared_ptr<int>> m = NotNull(); - const std::shared_ptr<int> null_p; - const std::shared_ptr<int> non_null_p(new int); - - EXPECT_FALSE(m.Matches(null_p)); - EXPECT_TRUE(m.Matches(non_null_p)); -} - -TEST(NotNullTest, ReferenceToConstLinkedPtr) { - const Matcher<const std::shared_ptr<double>&> m = NotNull(); - const std::shared_ptr<double> null_p; - const std::shared_ptr<double> non_null_p(new double); - - EXPECT_FALSE(m.Matches(null_p)); - EXPECT_TRUE(m.Matches(non_null_p)); -} - -TEST(NotNullTest, StdFunction) { - const Matcher<std::function<void()>> m = NotNull(); - - EXPECT_TRUE(m.Matches([]{})); - EXPECT_FALSE(m.Matches(std::function<void()>())); -} - -// Tests that NotNull() describes itself properly. -TEST(NotNullTest, CanDescribeSelf) { - Matcher<int*> m = NotNull(); - EXPECT_EQ("isn't NULL", Describe(m)); -} - -// Tests that Ref(variable) matches an argument that references -// 'variable'. -TEST(RefTest, MatchesSameVariable) { - int a = 0; - int b = 0; - Matcher<int&> m = Ref(a); - EXPECT_TRUE(m.Matches(a)); - EXPECT_FALSE(m.Matches(b)); -} - -// Tests that Ref(variable) describes itself properly. -TEST(RefTest, CanDescribeSelf) { - int n = 5; - Matcher<int&> m = Ref(n); - stringstream ss; - ss << "references the variable @" << &n << " 5"; - EXPECT_EQ(ss.str(), Describe(m)); -} - -// Test that Ref(non_const_varialbe) can be used as a matcher for a -// const reference. -TEST(RefTest, CanBeUsedAsMatcherForConstReference) { - int a = 0; - int b = 0; - Matcher<const int&> m = Ref(a); - EXPECT_TRUE(m.Matches(a)); - EXPECT_FALSE(m.Matches(b)); -} - -// Tests that Ref(variable) is covariant, i.e. Ref(derived) can be -// used wherever Ref(base) can be used (Ref(derived) is a sub-type -// of Ref(base), but not vice versa. - -TEST(RefTest, IsCovariant) { - Base base, base2; - Derived derived; - Matcher<const Base&> m1 = Ref(base); - EXPECT_TRUE(m1.Matches(base)); - EXPECT_FALSE(m1.Matches(base2)); - EXPECT_FALSE(m1.Matches(derived)); - - m1 = Ref(derived); - EXPECT_TRUE(m1.Matches(derived)); - EXPECT_FALSE(m1.Matches(base)); - EXPECT_FALSE(m1.Matches(base2)); -} - -TEST(RefTest, ExplainsResult) { - int n = 0; - EXPECT_THAT(Explain(Matcher<const int&>(Ref(n)), n), - StartsWith("which is located @")); - - int m = 0; - EXPECT_THAT(Explain(Matcher<const int&>(Ref(n)), m), - StartsWith("which is located @")); -} - -// Tests string comparison matchers. - -TEST(StrEqTest, MatchesEqualString) { - Matcher<const char*> m = StrEq(std::string("Hello")); - EXPECT_TRUE(m.Matches("Hello")); - EXPECT_FALSE(m.Matches("hello")); - EXPECT_FALSE(m.Matches(nullptr)); - - Matcher<const std::string&> m2 = StrEq("Hello"); - EXPECT_TRUE(m2.Matches("Hello")); - EXPECT_FALSE(m2.Matches("Hi")); - -#if GTEST_HAS_ABSL - Matcher<const absl::string_view&> m3 = StrEq("Hello"); - EXPECT_TRUE(m3.Matches(absl::string_view("Hello"))); - EXPECT_FALSE(m3.Matches(absl::string_view("hello"))); - EXPECT_FALSE(m3.Matches(absl::string_view())); - - Matcher<const absl::string_view&> m_empty = StrEq(""); - EXPECT_TRUE(m_empty.Matches(absl::string_view(""))); - EXPECT_TRUE(m_empty.Matches(absl::string_view())); - EXPECT_FALSE(m_empty.Matches(absl::string_view("hello"))); -#endif // GTEST_HAS_ABSL -} - -TEST(StrEqTest, CanDescribeSelf) { - Matcher<std::string> m = StrEq("Hi-\'\"?\\\a\b\f\n\r\t\v\xD3"); - EXPECT_EQ("is equal to \"Hi-\'\\\"?\\\\\\a\\b\\f\\n\\r\\t\\v\\xD3\"", - Describe(m)); - - std::string str("01204500800"); - str[3] = '\0'; - Matcher<std::string> m2 = StrEq(str); - EXPECT_EQ("is equal to \"012\\04500800\"", Describe(m2)); - str[0] = str[6] = str[7] = str[9] = str[10] = '\0'; - Matcher<std::string> m3 = StrEq(str); - EXPECT_EQ("is equal to \"\\012\\045\\0\\08\\0\\0\"", Describe(m3)); -} - -TEST(StrNeTest, MatchesUnequalString) { - Matcher<const char*> m = StrNe("Hello"); - EXPECT_TRUE(m.Matches("")); - EXPECT_TRUE(m.Matches(nullptr)); - EXPECT_FALSE(m.Matches("Hello")); - - Matcher<std::string> m2 = StrNe(std::string("Hello")); - EXPECT_TRUE(m2.Matches("hello")); - EXPECT_FALSE(m2.Matches("Hello")); - -#if GTEST_HAS_ABSL - Matcher<const absl::string_view> m3 = StrNe("Hello"); - EXPECT_TRUE(m3.Matches(absl::string_view(""))); - EXPECT_TRUE(m3.Matches(absl::string_view())); - EXPECT_FALSE(m3.Matches(absl::string_view("Hello"))); -#endif // GTEST_HAS_ABSL -} - -TEST(StrNeTest, CanDescribeSelf) { - Matcher<const char*> m = StrNe("Hi"); - EXPECT_EQ("isn't equal to \"Hi\"", Describe(m)); -} - -TEST(StrCaseEqTest, MatchesEqualStringIgnoringCase) { - Matcher<const char*> m = StrCaseEq(std::string("Hello")); - EXPECT_TRUE(m.Matches("Hello")); - EXPECT_TRUE(m.Matches("hello")); - EXPECT_FALSE(m.Matches("Hi")); - EXPECT_FALSE(m.Matches(nullptr)); - - Matcher<const std::string&> m2 = StrCaseEq("Hello"); - EXPECT_TRUE(m2.Matches("hello")); - EXPECT_FALSE(m2.Matches("Hi")); - -#if GTEST_HAS_ABSL - Matcher<const absl::string_view&> m3 = StrCaseEq(std::string("Hello")); - EXPECT_TRUE(m3.Matches(absl::string_view("Hello"))); - EXPECT_TRUE(m3.Matches(absl::string_view("hello"))); - EXPECT_FALSE(m3.Matches(absl::string_view("Hi"))); - EXPECT_FALSE(m3.Matches(absl::string_view())); -#endif // GTEST_HAS_ABSL -} - -TEST(StrCaseEqTest, MatchesEqualStringWith0IgnoringCase) { - std::string str1("oabocdooeoo"); - std::string str2("OABOCDOOEOO"); - Matcher<const std::string&> m0 = StrCaseEq(str1); - EXPECT_FALSE(m0.Matches(str2 + std::string(1, '\0'))); - - str1[3] = str2[3] = '\0'; - Matcher<const std::string&> m1 = StrCaseEq(str1); - EXPECT_TRUE(m1.Matches(str2)); - - str1[0] = str1[6] = str1[7] = str1[10] = '\0'; - str2[0] = str2[6] = str2[7] = str2[10] = '\0'; - Matcher<const std::string&> m2 = StrCaseEq(str1); - str1[9] = str2[9] = '\0'; - EXPECT_FALSE(m2.Matches(str2)); - - Matcher<const std::string&> m3 = StrCaseEq(str1); - EXPECT_TRUE(m3.Matches(str2)); - - EXPECT_FALSE(m3.Matches(str2 + "x")); - str2.append(1, '\0'); - EXPECT_FALSE(m3.Matches(str2)); - EXPECT_FALSE(m3.Matches(std::string(str2, 0, 9))); -} - -TEST(StrCaseEqTest, CanDescribeSelf) { - Matcher<std::string> m = StrCaseEq("Hi"); - EXPECT_EQ("is equal to (ignoring case) \"Hi\"", Describe(m)); -} - -TEST(StrCaseNeTest, MatchesUnequalStringIgnoringCase) { - Matcher<const char*> m = StrCaseNe("Hello"); - EXPECT_TRUE(m.Matches("Hi")); - EXPECT_TRUE(m.Matches(nullptr)); - EXPECT_FALSE(m.Matches("Hello")); - EXPECT_FALSE(m.Matches("hello")); - - Matcher<std::string> m2 = StrCaseNe(std::string("Hello")); - EXPECT_TRUE(m2.Matches("")); - EXPECT_FALSE(m2.Matches("Hello")); - -#if GTEST_HAS_ABSL - Matcher<const absl::string_view> m3 = StrCaseNe("Hello"); - EXPECT_TRUE(m3.Matches(absl::string_view("Hi"))); - EXPECT_TRUE(m3.Matches(absl::string_view())); - EXPECT_FALSE(m3.Matches(absl::string_view("Hello"))); - EXPECT_FALSE(m3.Matches(absl::string_view("hello"))); -#endif // GTEST_HAS_ABSL -} - -TEST(StrCaseNeTest, CanDescribeSelf) { - Matcher<const char*> m = StrCaseNe("Hi"); - EXPECT_EQ("isn't equal to (ignoring case) \"Hi\"", Describe(m)); -} - -// Tests that HasSubstr() works for matching string-typed values. -TEST(HasSubstrTest, WorksForStringClasses) { - const Matcher<std::string> m1 = HasSubstr("foo"); - EXPECT_TRUE(m1.Matches(std::string("I love food."))); - EXPECT_FALSE(m1.Matches(std::string("tofo"))); - - const Matcher<const std::string&> m2 = HasSubstr("foo"); - EXPECT_TRUE(m2.Matches(std::string("I love food."))); - EXPECT_FALSE(m2.Matches(std::string("tofo"))); - - const Matcher<std::string> m_empty = HasSubstr(""); - EXPECT_TRUE(m_empty.Matches(std::string())); - EXPECT_TRUE(m_empty.Matches(std::string("not empty"))); -} - -// Tests that HasSubstr() works for matching C-string-typed values. -TEST(HasSubstrTest, WorksForCStrings) { - const Matcher<char*> m1 = HasSubstr("foo"); - EXPECT_TRUE(m1.Matches(const_cast<char*>("I love food."))); - EXPECT_FALSE(m1.Matches(const_cast<char*>("tofo"))); - EXPECT_FALSE(m1.Matches(nullptr)); - - const Matcher<const char*> m2 = HasSubstr("foo"); - EXPECT_TRUE(m2.Matches("I love food.")); - EXPECT_FALSE(m2.Matches("tofo")); - EXPECT_FALSE(m2.Matches(nullptr)); - - const Matcher<const char*> m_empty = HasSubstr(""); - EXPECT_TRUE(m_empty.Matches("not empty")); - EXPECT_TRUE(m_empty.Matches("")); - EXPECT_FALSE(m_empty.Matches(nullptr)); -} - -#if GTEST_HAS_ABSL -// Tests that HasSubstr() works for matching absl::string_view-typed values. -TEST(HasSubstrTest, WorksForStringViewClasses) { - const Matcher<absl::string_view> m1 = HasSubstr("foo"); - EXPECT_TRUE(m1.Matches(absl::string_view("I love food."))); - EXPECT_FALSE(m1.Matches(absl::string_view("tofo"))); - EXPECT_FALSE(m1.Matches(absl::string_view())); - - const Matcher<const absl::string_view&> m2 = HasSubstr("foo"); - EXPECT_TRUE(m2.Matches(absl::string_view("I love food."))); - EXPECT_FALSE(m2.Matches(absl::string_view("tofo"))); - EXPECT_FALSE(m2.Matches(absl::string_view())); - - const Matcher<const absl::string_view&> m3 = HasSubstr(""); - EXPECT_TRUE(m3.Matches(absl::string_view("foo"))); - EXPECT_TRUE(m3.Matches(absl::string_view(""))); - EXPECT_TRUE(m3.Matches(absl::string_view())); -} -#endif // GTEST_HAS_ABSL - -// Tests that HasSubstr(s) describes itself properly. -TEST(HasSubstrTest, CanDescribeSelf) { - Matcher<std::string> m = HasSubstr("foo\n\""); - EXPECT_EQ("has substring \"foo\\n\\\"\"", Describe(m)); -} - -TEST(KeyTest, CanDescribeSelf) { - Matcher<const pair<std::string, int>&> m = Key("foo"); - EXPECT_EQ("has a key that is equal to \"foo\"", Describe(m)); - EXPECT_EQ("doesn't have a key that is equal to \"foo\"", DescribeNegation(m)); -} - -TEST(KeyTest, ExplainsResult) { - Matcher<pair<int, bool> > m = Key(GreaterThan(10)); - EXPECT_EQ("whose first field is a value which is 5 less than 10", - Explain(m, make_pair(5, true))); - EXPECT_EQ("whose first field is a value which is 5 more than 10", - Explain(m, make_pair(15, true))); -} - -TEST(KeyTest, MatchesCorrectly) { - pair<int, std::string> p(25, "foo"); - EXPECT_THAT(p, Key(25)); - EXPECT_THAT(p, Not(Key(42))); - EXPECT_THAT(p, Key(Ge(20))); - EXPECT_THAT(p, Not(Key(Lt(25)))); -} - -TEST(KeyTest, WorksWithMoveOnly) { - pair<std::unique_ptr<int>, std::unique_ptr<int>> p; - EXPECT_THAT(p, Key(Eq(nullptr))); -} - -template <size_t I> -struct Tag {}; - -struct PairWithGet { - int member_1; - std::string member_2; - using first_type = int; - using second_type = std::string; - - const int& GetImpl(Tag<0>) const { return member_1; } - const std::string& GetImpl(Tag<1>) const { return member_2; } -}; -template <size_t I> -auto get(const PairWithGet& value) -> decltype(value.GetImpl(Tag<I>())) { - return value.GetImpl(Tag<I>()); -} -TEST(PairTest, MatchesPairWithGetCorrectly) { - PairWithGet p{25, "foo"}; - EXPECT_THAT(p, Key(25)); - EXPECT_THAT(p, Not(Key(42))); - EXPECT_THAT(p, Key(Ge(20))); - EXPECT_THAT(p, Not(Key(Lt(25)))); - - std::vector<PairWithGet> v = {{11, "Foo"}, {29, "gMockIsBestMock"}}; - EXPECT_THAT(v, Contains(Key(29))); -} - -TEST(KeyTest, SafelyCastsInnerMatcher) { - Matcher<int> is_positive = Gt(0); - Matcher<int> is_negative = Lt(0); - pair<char, bool> p('a', true); - EXPECT_THAT(p, Key(is_positive)); - EXPECT_THAT(p, Not(Key(is_negative))); -} - -TEST(KeyTest, InsideContainsUsingMap) { - map<int, char> container; - container.insert(make_pair(1, 'a')); - container.insert(make_pair(2, 'b')); - container.insert(make_pair(4, 'c')); - EXPECT_THAT(container, Contains(Key(1))); - EXPECT_THAT(container, Not(Contains(Key(3)))); -} - -TEST(KeyTest, InsideContainsUsingMultimap) { - multimap<int, char> container; - container.insert(make_pair(1, 'a')); - container.insert(make_pair(2, 'b')); - container.insert(make_pair(4, 'c')); - - EXPECT_THAT(container, Not(Contains(Key(25)))); - container.insert(make_pair(25, 'd')); - EXPECT_THAT(container, Contains(Key(25))); - container.insert(make_pair(25, 'e')); - EXPECT_THAT(container, Contains(Key(25))); - - EXPECT_THAT(container, Contains(Key(1))); - EXPECT_THAT(container, Not(Contains(Key(3)))); -} - -TEST(PairTest, Typing) { - // Test verifies the following type conversions can be compiled. - Matcher<const pair<const char*, int>&> m1 = Pair("foo", 42); - Matcher<const pair<const char*, int> > m2 = Pair("foo", 42); - Matcher<pair<const char*, int> > m3 = Pair("foo", 42); - - Matcher<pair<int, const std::string> > m4 = Pair(25, "42"); - Matcher<pair<const std::string, int> > m5 = Pair("25", 42); -} - -TEST(PairTest, CanDescribeSelf) { - Matcher<const pair<std::string, int>&> m1 = Pair("foo", 42); - EXPECT_EQ("has a first field that is equal to \"foo\"" - ", and has a second field that is equal to 42", - Describe(m1)); - EXPECT_EQ("has a first field that isn't equal to \"foo\"" - ", or has a second field that isn't equal to 42", - DescribeNegation(m1)); - // Double and triple negation (1 or 2 times not and description of negation). - Matcher<const pair<int, int>&> m2 = Not(Pair(Not(13), 42)); - EXPECT_EQ("has a first field that isn't equal to 13" - ", and has a second field that is equal to 42", - DescribeNegation(m2)); -} - -TEST(PairTest, CanExplainMatchResultTo) { - // If neither field matches, Pair() should explain about the first - // field. - const Matcher<pair<int, int> > m = Pair(GreaterThan(0), GreaterThan(0)); - EXPECT_EQ("whose first field does not match, which is 1 less than 0", - Explain(m, make_pair(-1, -2))); - - // If the first field matches but the second doesn't, Pair() should - // explain about the second field. - EXPECT_EQ("whose second field does not match, which is 2 less than 0", - Explain(m, make_pair(1, -2))); - - // If the first field doesn't match but the second does, Pair() - // should explain about the first field. - EXPECT_EQ("whose first field does not match, which is 1 less than 0", - Explain(m, make_pair(-1, 2))); - - // If both fields match, Pair() should explain about them both. - EXPECT_EQ("whose both fields match, where the first field is a value " - "which is 1 more than 0, and the second field is a value " - "which is 2 more than 0", - Explain(m, make_pair(1, 2))); - - // If only the first match has an explanation, only this explanation should - // be printed. - const Matcher<pair<int, int> > explain_first = Pair(GreaterThan(0), 0); - EXPECT_EQ("whose both fields match, where the first field is a value " - "which is 1 more than 0", - Explain(explain_first, make_pair(1, 0))); - - // If only the second match has an explanation, only this explanation should - // be printed. - const Matcher<pair<int, int> > explain_second = Pair(0, GreaterThan(0)); - EXPECT_EQ("whose both fields match, where the second field is a value " - "which is 1 more than 0", - Explain(explain_second, make_pair(0, 1))); -} - -TEST(PairTest, MatchesCorrectly) { - pair<int, std::string> p(25, "foo"); - - // Both fields match. - EXPECT_THAT(p, Pair(25, "foo")); - EXPECT_THAT(p, Pair(Ge(20), HasSubstr("o"))); - - // 'first' doesnt' match, but 'second' matches. - EXPECT_THAT(p, Not(Pair(42, "foo"))); - EXPECT_THAT(p, Not(Pair(Lt(25), "foo"))); - - // 'first' matches, but 'second' doesn't match. - EXPECT_THAT(p, Not(Pair(25, "bar"))); - EXPECT_THAT(p, Not(Pair(25, Not("foo")))); - - // Neither field matches. - EXPECT_THAT(p, Not(Pair(13, "bar"))); - EXPECT_THAT(p, Not(Pair(Lt(13), HasSubstr("a")))); -} - -TEST(PairTest, WorksWithMoveOnly) { - pair<std::unique_ptr<int>, std::unique_ptr<int>> p; - p.second.reset(new int(7)); - EXPECT_THAT(p, Pair(Eq(nullptr), Ne(nullptr))); -} - -TEST(PairTest, SafelyCastsInnerMatchers) { - Matcher<int> is_positive = Gt(0); - Matcher<int> is_negative = Lt(0); - pair<char, bool> p('a', true); - EXPECT_THAT(p, Pair(is_positive, _)); - EXPECT_THAT(p, Not(Pair(is_negative, _))); - EXPECT_THAT(p, Pair(_, is_positive)); - EXPECT_THAT(p, Not(Pair(_, is_negative))); -} - -TEST(PairTest, InsideContainsUsingMap) { - map<int, char> container; - container.insert(make_pair(1, 'a')); - container.insert(make_pair(2, 'b')); - container.insert(make_pair(4, 'c')); - EXPECT_THAT(container, Contains(Pair(1, 'a'))); - EXPECT_THAT(container, Contains(Pair(1, _))); - EXPECT_THAT(container, Contains(Pair(_, 'a'))); - EXPECT_THAT(container, Not(Contains(Pair(3, _)))); -} - -TEST(ContainsTest, WorksWithMoveOnly) { - ContainerHelper helper; - EXPECT_CALL(helper, Call(Contains(Pointee(2)))); - helper.Call(MakeUniquePtrs({1, 2})); -} - -TEST(PairTest, UseGetInsteadOfMembers) { - PairWithGet pair{7, "ABC"}; - EXPECT_THAT(pair, Pair(7, "ABC")); - EXPECT_THAT(pair, Pair(Ge(7), HasSubstr("AB"))); - EXPECT_THAT(pair, Not(Pair(Lt(7), "ABC"))); - - std::vector<PairWithGet> v = {{11, "Foo"}, {29, "gMockIsBestMock"}}; - EXPECT_THAT(v, - ElementsAre(Pair(11, std::string("Foo")), Pair(Ge(10), Not("")))); -} - -// Tests StartsWith(s). - -TEST(StartsWithTest, MatchesStringWithGivenPrefix) { - const Matcher<const char*> m1 = StartsWith(std::string("")); - EXPECT_TRUE(m1.Matches("Hi")); - EXPECT_TRUE(m1.Matches("")); - EXPECT_FALSE(m1.Matches(nullptr)); - - const Matcher<const std::string&> m2 = StartsWith("Hi"); - EXPECT_TRUE(m2.Matches("Hi")); - EXPECT_TRUE(m2.Matches("Hi Hi!")); - EXPECT_TRUE(m2.Matches("High")); - EXPECT_FALSE(m2.Matches("H")); - EXPECT_FALSE(m2.Matches(" Hi")); - -#if GTEST_HAS_ABSL - const Matcher<absl::string_view> m_empty = StartsWith(""); - EXPECT_TRUE(m_empty.Matches(absl::string_view())); - EXPECT_TRUE(m_empty.Matches(absl::string_view(""))); - EXPECT_TRUE(m_empty.Matches(absl::string_view("not empty"))); -#endif // GTEST_HAS_ABSL -} - -TEST(StartsWithTest, CanDescribeSelf) { - Matcher<const std::string> m = StartsWith("Hi"); - EXPECT_EQ("starts with \"Hi\"", Describe(m)); -} - -// Tests EndsWith(s). - -TEST(EndsWithTest, MatchesStringWithGivenSuffix) { - const Matcher<const char*> m1 = EndsWith(""); - EXPECT_TRUE(m1.Matches("Hi")); - EXPECT_TRUE(m1.Matches("")); - EXPECT_FALSE(m1.Matches(nullptr)); - - const Matcher<const std::string&> m2 = EndsWith(std::string("Hi")); - EXPECT_TRUE(m2.Matches("Hi")); - EXPECT_TRUE(m2.Matches("Wow Hi Hi")); - EXPECT_TRUE(m2.Matches("Super Hi")); - EXPECT_FALSE(m2.Matches("i")); - EXPECT_FALSE(m2.Matches("Hi ")); - -#if GTEST_HAS_ABSL - const Matcher<const absl::string_view&> m4 = EndsWith(""); - EXPECT_TRUE(m4.Matches("Hi")); - EXPECT_TRUE(m4.Matches("")); - EXPECT_TRUE(m4.Matches(absl::string_view())); - EXPECT_TRUE(m4.Matches(absl::string_view(""))); -#endif // GTEST_HAS_ABSL -} - -TEST(EndsWithTest, CanDescribeSelf) { - Matcher<const std::string> m = EndsWith("Hi"); - EXPECT_EQ("ends with \"Hi\"", Describe(m)); -} - -// Tests MatchesRegex(). - -TEST(MatchesRegexTest, MatchesStringMatchingGivenRegex) { - const Matcher<const char*> m1 = MatchesRegex("a.*z"); - EXPECT_TRUE(m1.Matches("az")); - EXPECT_TRUE(m1.Matches("abcz")); - EXPECT_FALSE(m1.Matches(nullptr)); - - const Matcher<const std::string&> m2 = MatchesRegex(new RE("a.*z")); - EXPECT_TRUE(m2.Matches("azbz")); - EXPECT_FALSE(m2.Matches("az1")); - EXPECT_FALSE(m2.Matches("1az")); - -#if GTEST_HAS_ABSL - const Matcher<const absl::string_view&> m3 = MatchesRegex("a.*z"); - EXPECT_TRUE(m3.Matches(absl::string_view("az"))); - EXPECT_TRUE(m3.Matches(absl::string_view("abcz"))); - EXPECT_FALSE(m3.Matches(absl::string_view("1az"))); - EXPECT_FALSE(m3.Matches(absl::string_view())); - const Matcher<const absl::string_view&> m4 = MatchesRegex(""); - EXPECT_TRUE(m4.Matches(absl::string_view(""))); - EXPECT_TRUE(m4.Matches(absl::string_view())); -#endif // GTEST_HAS_ABSL -} - -TEST(MatchesRegexTest, CanDescribeSelf) { - Matcher<const std::string> m1 = MatchesRegex(std::string("Hi.*")); - EXPECT_EQ("matches regular expression \"Hi.*\"", Describe(m1)); - - Matcher<const char*> m2 = MatchesRegex(new RE("a.*")); - EXPECT_EQ("matches regular expression \"a.*\"", Describe(m2)); - -#if GTEST_HAS_ABSL - Matcher<const absl::string_view> m3 = MatchesRegex(new RE("0.*")); - EXPECT_EQ("matches regular expression \"0.*\"", Describe(m3)); -#endif // GTEST_HAS_ABSL -} - -// Tests ContainsRegex(). - -TEST(ContainsRegexTest, MatchesStringContainingGivenRegex) { - const Matcher<const char*> m1 = ContainsRegex(std::string("a.*z")); - EXPECT_TRUE(m1.Matches("az")); - EXPECT_TRUE(m1.Matches("0abcz1")); - EXPECT_FALSE(m1.Matches(nullptr)); - - const Matcher<const std::string&> m2 = ContainsRegex(new RE("a.*z")); - EXPECT_TRUE(m2.Matches("azbz")); - EXPECT_TRUE(m2.Matches("az1")); - EXPECT_FALSE(m2.Matches("1a")); - -#if GTEST_HAS_ABSL - const Matcher<const absl::string_view&> m3 = ContainsRegex(new RE("a.*z")); - EXPECT_TRUE(m3.Matches(absl::string_view("azbz"))); - EXPECT_TRUE(m3.Matches(absl::string_view("az1"))); - EXPECT_FALSE(m3.Matches(absl::string_view("1a"))); - EXPECT_FALSE(m3.Matches(absl::string_view())); - const Matcher<const absl::string_view&> m4 = ContainsRegex(""); - EXPECT_TRUE(m4.Matches(absl::string_view(""))); - EXPECT_TRUE(m4.Matches(absl::string_view())); -#endif // GTEST_HAS_ABSL -} - -TEST(ContainsRegexTest, CanDescribeSelf) { - Matcher<const std::string> m1 = ContainsRegex("Hi.*"); - EXPECT_EQ("contains regular expression \"Hi.*\"", Describe(m1)); - - Matcher<const char*> m2 = ContainsRegex(new RE("a.*")); - EXPECT_EQ("contains regular expression \"a.*\"", Describe(m2)); - -#if GTEST_HAS_ABSL - Matcher<const absl::string_view> m3 = ContainsRegex(new RE("0.*")); - EXPECT_EQ("contains regular expression \"0.*\"", Describe(m3)); -#endif // GTEST_HAS_ABSL -} - -// Tests for wide strings. -#if GTEST_HAS_STD_WSTRING -TEST(StdWideStrEqTest, MatchesEqual) { - Matcher<const wchar_t*> m = StrEq(::std::wstring(L"Hello")); - EXPECT_TRUE(m.Matches(L"Hello")); - EXPECT_FALSE(m.Matches(L"hello")); - EXPECT_FALSE(m.Matches(nullptr)); - - Matcher<const ::std::wstring&> m2 = StrEq(L"Hello"); - EXPECT_TRUE(m2.Matches(L"Hello")); - EXPECT_FALSE(m2.Matches(L"Hi")); - - Matcher<const ::std::wstring&> m3 = StrEq(L"\xD3\x576\x8D3\xC74D"); - EXPECT_TRUE(m3.Matches(L"\xD3\x576\x8D3\xC74D")); - EXPECT_FALSE(m3.Matches(L"\xD3\x576\x8D3\xC74E")); - - ::std::wstring str(L"01204500800"); - str[3] = L'\0'; - Matcher<const ::std::wstring&> m4 = StrEq(str); - EXPECT_TRUE(m4.Matches(str)); - str[0] = str[6] = str[7] = str[9] = str[10] = L'\0'; - Matcher<const ::std::wstring&> m5 = StrEq(str); - EXPECT_TRUE(m5.Matches(str)); -} - -TEST(StdWideStrEqTest, CanDescribeSelf) { - Matcher< ::std::wstring> m = StrEq(L"Hi-\'\"?\\\a\b\f\n\r\t\v"); - EXPECT_EQ("is equal to L\"Hi-\'\\\"?\\\\\\a\\b\\f\\n\\r\\t\\v\"", - Describe(m)); - - Matcher< ::std::wstring> m2 = StrEq(L"\xD3\x576\x8D3\xC74D"); - EXPECT_EQ("is equal to L\"\\xD3\\x576\\x8D3\\xC74D\"", - Describe(m2)); - - ::std::wstring str(L"01204500800"); - str[3] = L'\0'; - Matcher<const ::std::wstring&> m4 = StrEq(str); - EXPECT_EQ("is equal to L\"012\\04500800\"", Describe(m4)); - str[0] = str[6] = str[7] = str[9] = str[10] = L'\0'; - Matcher<const ::std::wstring&> m5 = StrEq(str); - EXPECT_EQ("is equal to L\"\\012\\045\\0\\08\\0\\0\"", Describe(m5)); -} - -TEST(StdWideStrNeTest, MatchesUnequalString) { - Matcher<const wchar_t*> m = StrNe(L"Hello"); - EXPECT_TRUE(m.Matches(L"")); - EXPECT_TRUE(m.Matches(nullptr)); - EXPECT_FALSE(m.Matches(L"Hello")); - - Matcher< ::std::wstring> m2 = StrNe(::std::wstring(L"Hello")); - EXPECT_TRUE(m2.Matches(L"hello")); - EXPECT_FALSE(m2.Matches(L"Hello")); -} - -TEST(StdWideStrNeTest, CanDescribeSelf) { - Matcher<const wchar_t*> m = StrNe(L"Hi"); - EXPECT_EQ("isn't equal to L\"Hi\"", Describe(m)); -} - -TEST(StdWideStrCaseEqTest, MatchesEqualStringIgnoringCase) { - Matcher<const wchar_t*> m = StrCaseEq(::std::wstring(L"Hello")); - EXPECT_TRUE(m.Matches(L"Hello")); - EXPECT_TRUE(m.Matches(L"hello")); - EXPECT_FALSE(m.Matches(L"Hi")); - EXPECT_FALSE(m.Matches(nullptr)); - - Matcher<const ::std::wstring&> m2 = StrCaseEq(L"Hello"); - EXPECT_TRUE(m2.Matches(L"hello")); - EXPECT_FALSE(m2.Matches(L"Hi")); -} - -TEST(StdWideStrCaseEqTest, MatchesEqualStringWith0IgnoringCase) { - ::std::wstring str1(L"oabocdooeoo"); - ::std::wstring str2(L"OABOCDOOEOO"); - Matcher<const ::std::wstring&> m0 = StrCaseEq(str1); - EXPECT_FALSE(m0.Matches(str2 + ::std::wstring(1, L'\0'))); - - str1[3] = str2[3] = L'\0'; - Matcher<const ::std::wstring&> m1 = StrCaseEq(str1); - EXPECT_TRUE(m1.Matches(str2)); - - str1[0] = str1[6] = str1[7] = str1[10] = L'\0'; - str2[0] = str2[6] = str2[7] = str2[10] = L'\0'; - Matcher<const ::std::wstring&> m2 = StrCaseEq(str1); - str1[9] = str2[9] = L'\0'; - EXPECT_FALSE(m2.Matches(str2)); - - Matcher<const ::std::wstring&> m3 = StrCaseEq(str1); - EXPECT_TRUE(m3.Matches(str2)); - - EXPECT_FALSE(m3.Matches(str2 + L"x")); - str2.append(1, L'\0'); - EXPECT_FALSE(m3.Matches(str2)); - EXPECT_FALSE(m3.Matches(::std::wstring(str2, 0, 9))); -} - -TEST(StdWideStrCaseEqTest, CanDescribeSelf) { - Matcher< ::std::wstring> m = StrCaseEq(L"Hi"); - EXPECT_EQ("is equal to (ignoring case) L\"Hi\"", Describe(m)); -} - -TEST(StdWideStrCaseNeTest, MatchesUnequalStringIgnoringCase) { - Matcher<const wchar_t*> m = StrCaseNe(L"Hello"); - EXPECT_TRUE(m.Matches(L"Hi")); - EXPECT_TRUE(m.Matches(nullptr)); - EXPECT_FALSE(m.Matches(L"Hello")); - EXPECT_FALSE(m.Matches(L"hello")); - - Matcher< ::std::wstring> m2 = StrCaseNe(::std::wstring(L"Hello")); - EXPECT_TRUE(m2.Matches(L"")); - EXPECT_FALSE(m2.Matches(L"Hello")); -} - -TEST(StdWideStrCaseNeTest, CanDescribeSelf) { - Matcher<const wchar_t*> m = StrCaseNe(L"Hi"); - EXPECT_EQ("isn't equal to (ignoring case) L\"Hi\"", Describe(m)); -} - -// Tests that HasSubstr() works for matching wstring-typed values. -TEST(StdWideHasSubstrTest, WorksForStringClasses) { - const Matcher< ::std::wstring> m1 = HasSubstr(L"foo"); - EXPECT_TRUE(m1.Matches(::std::wstring(L"I love food."))); - EXPECT_FALSE(m1.Matches(::std::wstring(L"tofo"))); - - const Matcher<const ::std::wstring&> m2 = HasSubstr(L"foo"); - EXPECT_TRUE(m2.Matches(::std::wstring(L"I love food."))); - EXPECT_FALSE(m2.Matches(::std::wstring(L"tofo"))); -} - -// Tests that HasSubstr() works for matching C-wide-string-typed values. -TEST(StdWideHasSubstrTest, WorksForCStrings) { - const Matcher<wchar_t*> m1 = HasSubstr(L"foo"); - EXPECT_TRUE(m1.Matches(const_cast<wchar_t*>(L"I love food."))); - EXPECT_FALSE(m1.Matches(const_cast<wchar_t*>(L"tofo"))); - EXPECT_FALSE(m1.Matches(nullptr)); - - const Matcher<const wchar_t*> m2 = HasSubstr(L"foo"); - EXPECT_TRUE(m2.Matches(L"I love food.")); - EXPECT_FALSE(m2.Matches(L"tofo")); - EXPECT_FALSE(m2.Matches(nullptr)); -} - -// Tests that HasSubstr(s) describes itself properly. -TEST(StdWideHasSubstrTest, CanDescribeSelf) { - Matcher< ::std::wstring> m = HasSubstr(L"foo\n\""); - EXPECT_EQ("has substring L\"foo\\n\\\"\"", Describe(m)); -} - -// Tests StartsWith(s). - -TEST(StdWideStartsWithTest, MatchesStringWithGivenPrefix) { - const Matcher<const wchar_t*> m1 = StartsWith(::std::wstring(L"")); - EXPECT_TRUE(m1.Matches(L"Hi")); - EXPECT_TRUE(m1.Matches(L"")); - EXPECT_FALSE(m1.Matches(nullptr)); - - const Matcher<const ::std::wstring&> m2 = StartsWith(L"Hi"); - EXPECT_TRUE(m2.Matches(L"Hi")); - EXPECT_TRUE(m2.Matches(L"Hi Hi!")); - EXPECT_TRUE(m2.Matches(L"High")); - EXPECT_FALSE(m2.Matches(L"H")); - EXPECT_FALSE(m2.Matches(L" Hi")); -} - -TEST(StdWideStartsWithTest, CanDescribeSelf) { - Matcher<const ::std::wstring> m = StartsWith(L"Hi"); - EXPECT_EQ("starts with L\"Hi\"", Describe(m)); -} - -// Tests EndsWith(s). - -TEST(StdWideEndsWithTest, MatchesStringWithGivenSuffix) { - const Matcher<const wchar_t*> m1 = EndsWith(L""); - EXPECT_TRUE(m1.Matches(L"Hi")); - EXPECT_TRUE(m1.Matches(L"")); - EXPECT_FALSE(m1.Matches(nullptr)); - - const Matcher<const ::std::wstring&> m2 = EndsWith(::std::wstring(L"Hi")); - EXPECT_TRUE(m2.Matches(L"Hi")); - EXPECT_TRUE(m2.Matches(L"Wow Hi Hi")); - EXPECT_TRUE(m2.Matches(L"Super Hi")); - EXPECT_FALSE(m2.Matches(L"i")); - EXPECT_FALSE(m2.Matches(L"Hi ")); -} - -TEST(StdWideEndsWithTest, CanDescribeSelf) { - Matcher<const ::std::wstring> m = EndsWith(L"Hi"); - EXPECT_EQ("ends with L\"Hi\"", Describe(m)); -} - -#endif // GTEST_HAS_STD_WSTRING - -typedef ::std::tuple<long, int> Tuple2; // NOLINT - -// Tests that Eq() matches a 2-tuple where the first field == the -// second field. -TEST(Eq2Test, MatchesEqualArguments) { - Matcher<const Tuple2&> m = Eq(); - EXPECT_TRUE(m.Matches(Tuple2(5L, 5))); - EXPECT_FALSE(m.Matches(Tuple2(5L, 6))); -} - -// Tests that Eq() describes itself properly. -TEST(Eq2Test, CanDescribeSelf) { - Matcher<const Tuple2&> m = Eq(); - EXPECT_EQ("are an equal pair", Describe(m)); -} - -// Tests that Ge() matches a 2-tuple where the first field >= the -// second field. -TEST(Ge2Test, MatchesGreaterThanOrEqualArguments) { - Matcher<const Tuple2&> m = Ge(); - EXPECT_TRUE(m.Matches(Tuple2(5L, 4))); - EXPECT_TRUE(m.Matches(Tuple2(5L, 5))); - EXPECT_FALSE(m.Matches(Tuple2(5L, 6))); -} - -// Tests that Ge() describes itself properly. -TEST(Ge2Test, CanDescribeSelf) { - Matcher<const Tuple2&> m = Ge(); - EXPECT_EQ("are a pair where the first >= the second", Describe(m)); -} - -// Tests that Gt() matches a 2-tuple where the first field > the -// second field. -TEST(Gt2Test, MatchesGreaterThanArguments) { - Matcher<const Tuple2&> m = Gt(); - EXPECT_TRUE(m.Matches(Tuple2(5L, 4))); - EXPECT_FALSE(m.Matches(Tuple2(5L, 5))); - EXPECT_FALSE(m.Matches(Tuple2(5L, 6))); -} - -// Tests that Gt() describes itself properly. -TEST(Gt2Test, CanDescribeSelf) { - Matcher<const Tuple2&> m = Gt(); - EXPECT_EQ("are a pair where the first > the second", Describe(m)); -} - -// Tests that Le() matches a 2-tuple where the first field <= the -// second field. -TEST(Le2Test, MatchesLessThanOrEqualArguments) { - Matcher<const Tuple2&> m = Le(); - EXPECT_TRUE(m.Matches(Tuple2(5L, 6))); - EXPECT_TRUE(m.Matches(Tuple2(5L, 5))); - EXPECT_FALSE(m.Matches(Tuple2(5L, 4))); -} - -// Tests that Le() describes itself properly. -TEST(Le2Test, CanDescribeSelf) { - Matcher<const Tuple2&> m = Le(); - EXPECT_EQ("are a pair where the first <= the second", Describe(m)); -} - -// Tests that Lt() matches a 2-tuple where the first field < the -// second field. -TEST(Lt2Test, MatchesLessThanArguments) { - Matcher<const Tuple2&> m = Lt(); - EXPECT_TRUE(m.Matches(Tuple2(5L, 6))); - EXPECT_FALSE(m.Matches(Tuple2(5L, 5))); - EXPECT_FALSE(m.Matches(Tuple2(5L, 4))); -} - -// Tests that Lt() describes itself properly. -TEST(Lt2Test, CanDescribeSelf) { - Matcher<const Tuple2&> m = Lt(); - EXPECT_EQ("are a pair where the first < the second", Describe(m)); -} - -// Tests that Ne() matches a 2-tuple where the first field != the -// second field. -TEST(Ne2Test, MatchesUnequalArguments) { - Matcher<const Tuple2&> m = Ne(); - EXPECT_TRUE(m.Matches(Tuple2(5L, 6))); - EXPECT_TRUE(m.Matches(Tuple2(5L, 4))); - EXPECT_FALSE(m.Matches(Tuple2(5L, 5))); -} - -// Tests that Ne() describes itself properly. -TEST(Ne2Test, CanDescribeSelf) { - Matcher<const Tuple2&> m = Ne(); - EXPECT_EQ("are an unequal pair", Describe(m)); -} - -TEST(PairMatchBaseTest, WorksWithMoveOnly) { - using Pointers = std::tuple<std::unique_ptr<int>, std::unique_ptr<int>>; - Matcher<Pointers> matcher = Eq(); - Pointers pointers; - // Tested values don't matter; the point is that matcher does not copy the - // matched values. - EXPECT_TRUE(matcher.Matches(pointers)); -} - -// Tests that FloatEq() matches a 2-tuple where -// FloatEq(first field) matches the second field. -TEST(FloatEq2Test, MatchesEqualArguments) { - typedef ::std::tuple<float, float> Tpl; - Matcher<const Tpl&> m = FloatEq(); - EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); - EXPECT_TRUE(m.Matches(Tpl(0.3f, 0.1f + 0.1f + 0.1f))); - EXPECT_FALSE(m.Matches(Tpl(1.1f, 1.0f))); -} - -// Tests that FloatEq() describes itself properly. -TEST(FloatEq2Test, CanDescribeSelf) { - Matcher<const ::std::tuple<float, float>&> m = FloatEq(); - EXPECT_EQ("are an almost-equal pair", Describe(m)); -} - -// Tests that NanSensitiveFloatEq() matches a 2-tuple where -// NanSensitiveFloatEq(first field) matches the second field. -TEST(NanSensitiveFloatEqTest, MatchesEqualArgumentsWithNaN) { - typedef ::std::tuple<float, float> Tpl; - Matcher<const Tpl&> m = NanSensitiveFloatEq(); - EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); - EXPECT_TRUE(m.Matches(Tpl(std::numeric_limits<float>::quiet_NaN(), - std::numeric_limits<float>::quiet_NaN()))); - EXPECT_FALSE(m.Matches(Tpl(1.1f, 1.0f))); - EXPECT_FALSE(m.Matches(Tpl(1.0f, std::numeric_limits<float>::quiet_NaN()))); - EXPECT_FALSE(m.Matches(Tpl(std::numeric_limits<float>::quiet_NaN(), 1.0f))); -} - -// Tests that NanSensitiveFloatEq() describes itself properly. -TEST(NanSensitiveFloatEqTest, CanDescribeSelfWithNaNs) { - Matcher<const ::std::tuple<float, float>&> m = NanSensitiveFloatEq(); - EXPECT_EQ("are an almost-equal pair", Describe(m)); -} - -// Tests that DoubleEq() matches a 2-tuple where -// DoubleEq(first field) matches the second field. -TEST(DoubleEq2Test, MatchesEqualArguments) { - typedef ::std::tuple<double, double> Tpl; - Matcher<const Tpl&> m = DoubleEq(); - EXPECT_TRUE(m.Matches(Tpl(1.0, 1.0))); - EXPECT_TRUE(m.Matches(Tpl(0.3, 0.1 + 0.1 + 0.1))); - EXPECT_FALSE(m.Matches(Tpl(1.1, 1.0))); -} - -// Tests that DoubleEq() describes itself properly. -TEST(DoubleEq2Test, CanDescribeSelf) { - Matcher<const ::std::tuple<double, double>&> m = DoubleEq(); - EXPECT_EQ("are an almost-equal pair", Describe(m)); -} - -// Tests that NanSensitiveDoubleEq() matches a 2-tuple where -// NanSensitiveDoubleEq(first field) matches the second field. -TEST(NanSensitiveDoubleEqTest, MatchesEqualArgumentsWithNaN) { - typedef ::std::tuple<double, double> Tpl; - Matcher<const Tpl&> m = NanSensitiveDoubleEq(); - EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); - EXPECT_TRUE(m.Matches(Tpl(std::numeric_limits<double>::quiet_NaN(), - std::numeric_limits<double>::quiet_NaN()))); - EXPECT_FALSE(m.Matches(Tpl(1.1f, 1.0f))); - EXPECT_FALSE(m.Matches(Tpl(1.0f, std::numeric_limits<double>::quiet_NaN()))); - EXPECT_FALSE(m.Matches(Tpl(std::numeric_limits<double>::quiet_NaN(), 1.0f))); -} - -// Tests that DoubleEq() describes itself properly. -TEST(NanSensitiveDoubleEqTest, CanDescribeSelfWithNaNs) { - Matcher<const ::std::tuple<double, double>&> m = NanSensitiveDoubleEq(); - EXPECT_EQ("are an almost-equal pair", Describe(m)); -} - -// Tests that FloatEq() matches a 2-tuple where -// FloatNear(first field, max_abs_error) matches the second field. -TEST(FloatNear2Test, MatchesEqualArguments) { - typedef ::std::tuple<float, float> Tpl; - Matcher<const Tpl&> m = FloatNear(0.5f); - EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); - EXPECT_TRUE(m.Matches(Tpl(1.3f, 1.0f))); - EXPECT_FALSE(m.Matches(Tpl(1.8f, 1.0f))); -} - -// Tests that FloatNear() describes itself properly. -TEST(FloatNear2Test, CanDescribeSelf) { - Matcher<const ::std::tuple<float, float>&> m = FloatNear(0.5f); - EXPECT_EQ("are an almost-equal pair", Describe(m)); -} - -// Tests that NanSensitiveFloatNear() matches a 2-tuple where -// NanSensitiveFloatNear(first field) matches the second field. -TEST(NanSensitiveFloatNearTest, MatchesNearbyArgumentsWithNaN) { - typedef ::std::tuple<float, float> Tpl; - Matcher<const Tpl&> m = NanSensitiveFloatNear(0.5f); - EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); - EXPECT_TRUE(m.Matches(Tpl(1.1f, 1.0f))); - EXPECT_TRUE(m.Matches(Tpl(std::numeric_limits<float>::quiet_NaN(), - std::numeric_limits<float>::quiet_NaN()))); - EXPECT_FALSE(m.Matches(Tpl(1.6f, 1.0f))); - EXPECT_FALSE(m.Matches(Tpl(1.0f, std::numeric_limits<float>::quiet_NaN()))); - EXPECT_FALSE(m.Matches(Tpl(std::numeric_limits<float>::quiet_NaN(), 1.0f))); -} - -// Tests that NanSensitiveFloatNear() describes itself properly. -TEST(NanSensitiveFloatNearTest, CanDescribeSelfWithNaNs) { - Matcher<const ::std::tuple<float, float>&> m = NanSensitiveFloatNear(0.5f); - EXPECT_EQ("are an almost-equal pair", Describe(m)); -} - -// Tests that FloatEq() matches a 2-tuple where -// DoubleNear(first field, max_abs_error) matches the second field. -TEST(DoubleNear2Test, MatchesEqualArguments) { - typedef ::std::tuple<double, double> Tpl; - Matcher<const Tpl&> m = DoubleNear(0.5); - EXPECT_TRUE(m.Matches(Tpl(1.0, 1.0))); - EXPECT_TRUE(m.Matches(Tpl(1.3, 1.0))); - EXPECT_FALSE(m.Matches(Tpl(1.8, 1.0))); -} - -// Tests that DoubleNear() describes itself properly. -TEST(DoubleNear2Test, CanDescribeSelf) { - Matcher<const ::std::tuple<double, double>&> m = DoubleNear(0.5); - EXPECT_EQ("are an almost-equal pair", Describe(m)); -} - -// Tests that NanSensitiveDoubleNear() matches a 2-tuple where -// NanSensitiveDoubleNear(first field) matches the second field. -TEST(NanSensitiveDoubleNearTest, MatchesNearbyArgumentsWithNaN) { - typedef ::std::tuple<double, double> Tpl; - Matcher<const Tpl&> m = NanSensitiveDoubleNear(0.5f); - EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); - EXPECT_TRUE(m.Matches(Tpl(1.1f, 1.0f))); - EXPECT_TRUE(m.Matches(Tpl(std::numeric_limits<double>::quiet_NaN(), - std::numeric_limits<double>::quiet_NaN()))); - EXPECT_FALSE(m.Matches(Tpl(1.6f, 1.0f))); - EXPECT_FALSE(m.Matches(Tpl(1.0f, std::numeric_limits<double>::quiet_NaN()))); - EXPECT_FALSE(m.Matches(Tpl(std::numeric_limits<double>::quiet_NaN(), 1.0f))); -} - -// Tests that NanSensitiveDoubleNear() describes itself properly. -TEST(NanSensitiveDoubleNearTest, CanDescribeSelfWithNaNs) { - Matcher<const ::std::tuple<double, double>&> m = NanSensitiveDoubleNear(0.5f); - EXPECT_EQ("are an almost-equal pair", Describe(m)); -} - -// Tests that Not(m) matches any value that doesn't match m. -TEST(NotTest, NegatesMatcher) { - Matcher<int> m; - m = Not(Eq(2)); - EXPECT_TRUE(m.Matches(3)); - EXPECT_FALSE(m.Matches(2)); -} - -// Tests that Not(m) describes itself properly. -TEST(NotTest, CanDescribeSelf) { - Matcher<int> m = Not(Eq(5)); - EXPECT_EQ("isn't equal to 5", Describe(m)); -} - -// Tests that monomorphic matchers are safely cast by the Not matcher. -TEST(NotTest, NotMatcherSafelyCastsMonomorphicMatchers) { - // greater_than_5 is a monomorphic matcher. - Matcher<int> greater_than_5 = Gt(5); - - Matcher<const int&> m = Not(greater_than_5); - Matcher<int&> m2 = Not(greater_than_5); - Matcher<int&> m3 = Not(m); -} - -// Helper to allow easy testing of AllOf matchers with num parameters. -void AllOfMatches(int num, const Matcher<int>& m) { - SCOPED_TRACE(Describe(m)); - EXPECT_TRUE(m.Matches(0)); - for (int i = 1; i <= num; ++i) { - EXPECT_FALSE(m.Matches(i)); - } - EXPECT_TRUE(m.Matches(num + 1)); -} - -// Tests that AllOf(m1, ..., mn) matches any value that matches all of -// the given matchers. -TEST(AllOfTest, MatchesWhenAllMatch) { - Matcher<int> m; - m = AllOf(Le(2), Ge(1)); - EXPECT_TRUE(m.Matches(1)); - EXPECT_TRUE(m.Matches(2)); - EXPECT_FALSE(m.Matches(0)); - EXPECT_FALSE(m.Matches(3)); - - m = AllOf(Gt(0), Ne(1), Ne(2)); - EXPECT_TRUE(m.Matches(3)); - EXPECT_FALSE(m.Matches(2)); - EXPECT_FALSE(m.Matches(1)); - EXPECT_FALSE(m.Matches(0)); - - m = AllOf(Gt(0), Ne(1), Ne(2), Ne(3)); - EXPECT_TRUE(m.Matches(4)); - EXPECT_FALSE(m.Matches(3)); - EXPECT_FALSE(m.Matches(2)); - EXPECT_FALSE(m.Matches(1)); - EXPECT_FALSE(m.Matches(0)); - - m = AllOf(Ge(0), Lt(10), Ne(3), Ne(5), Ne(7)); - EXPECT_TRUE(m.Matches(0)); - EXPECT_TRUE(m.Matches(1)); - EXPECT_FALSE(m.Matches(3)); - - // The following tests for varying number of sub-matchers. Due to the way - // the sub-matchers are handled it is enough to test every sub-matcher once - // with sub-matchers using the same matcher type. Varying matcher types are - // checked for above. - AllOfMatches(2, AllOf(Ne(1), Ne(2))); - AllOfMatches(3, AllOf(Ne(1), Ne(2), Ne(3))); - AllOfMatches(4, AllOf(Ne(1), Ne(2), Ne(3), Ne(4))); - AllOfMatches(5, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5))); - AllOfMatches(6, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6))); - AllOfMatches(7, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7))); - AllOfMatches(8, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7), - Ne(8))); - AllOfMatches(9, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7), - Ne(8), Ne(9))); - AllOfMatches(10, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7), Ne(8), - Ne(9), Ne(10))); - AllOfMatches( - 50, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7), Ne(8), Ne(9), - Ne(10), Ne(11), Ne(12), Ne(13), Ne(14), Ne(15), Ne(16), Ne(17), - Ne(18), Ne(19), Ne(20), Ne(21), Ne(22), Ne(23), Ne(24), Ne(25), - Ne(26), Ne(27), Ne(28), Ne(29), Ne(30), Ne(31), Ne(32), Ne(33), - Ne(34), Ne(35), Ne(36), Ne(37), Ne(38), Ne(39), Ne(40), Ne(41), - Ne(42), Ne(43), Ne(44), Ne(45), Ne(46), Ne(47), Ne(48), Ne(49), - Ne(50))); -} - - -// Tests that AllOf(m1, ..., mn) describes itself properly. -TEST(AllOfTest, CanDescribeSelf) { - Matcher<int> m; - m = AllOf(Le(2), Ge(1)); - EXPECT_EQ("(is <= 2) and (is >= 1)", Describe(m)); - - m = AllOf(Gt(0), Ne(1), Ne(2)); - std::string expected_descr1 = - "(is > 0) and (isn't equal to 1) and (isn't equal to 2)"; - EXPECT_EQ(expected_descr1, Describe(m)); - - m = AllOf(Gt(0), Ne(1), Ne(2), Ne(3)); - std::string expected_descr2 = - "(is > 0) and (isn't equal to 1) and (isn't equal to 2) and (isn't equal " - "to 3)"; - EXPECT_EQ(expected_descr2, Describe(m)); - - m = AllOf(Ge(0), Lt(10), Ne(3), Ne(5), Ne(7)); - std::string expected_descr3 = - "(is >= 0) and (is < 10) and (isn't equal to 3) and (isn't equal to 5) " - "and (isn't equal to 7)"; - EXPECT_EQ(expected_descr3, Describe(m)); -} - -// Tests that AllOf(m1, ..., mn) describes its negation properly. -TEST(AllOfTest, CanDescribeNegation) { - Matcher<int> m; - m = AllOf(Le(2), Ge(1)); - std::string expected_descr4 = "(isn't <= 2) or (isn't >= 1)"; - EXPECT_EQ(expected_descr4, DescribeNegation(m)); - - m = AllOf(Gt(0), Ne(1), Ne(2)); - std::string expected_descr5 = - "(isn't > 0) or (is equal to 1) or (is equal to 2)"; - EXPECT_EQ(expected_descr5, DescribeNegation(m)); - - m = AllOf(Gt(0), Ne(1), Ne(2), Ne(3)); - std::string expected_descr6 = - "(isn't > 0) or (is equal to 1) or (is equal to 2) or (is equal to 3)"; - EXPECT_EQ(expected_descr6, DescribeNegation(m)); - - m = AllOf(Ge(0), Lt(10), Ne(3), Ne(5), Ne(7)); - std::string expected_desr7 = - "(isn't >= 0) or (isn't < 10) or (is equal to 3) or (is equal to 5) or " - "(is equal to 7)"; - EXPECT_EQ(expected_desr7, DescribeNegation(m)); - - m = AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7), Ne(8), Ne(9), - Ne(10), Ne(11)); - AllOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11); - EXPECT_THAT(Describe(m), EndsWith("and (isn't equal to 11)")); - AllOfMatches(11, m); -} - -// Tests that monomorphic matchers are safely cast by the AllOf matcher. -TEST(AllOfTest, AllOfMatcherSafelyCastsMonomorphicMatchers) { - // greater_than_5 and less_than_10 are monomorphic matchers. - Matcher<int> greater_than_5 = Gt(5); - Matcher<int> less_than_10 = Lt(10); - - Matcher<const int&> m = AllOf(greater_than_5, less_than_10); - Matcher<int&> m2 = AllOf(greater_than_5, less_than_10); - Matcher<int&> m3 = AllOf(greater_than_5, m2); - - // Tests that BothOf works when composing itself. - Matcher<const int&> m4 = AllOf(greater_than_5, less_than_10, less_than_10); - Matcher<int&> m5 = AllOf(greater_than_5, less_than_10, less_than_10); -} - -TEST(AllOfTest, ExplainsResult) { - Matcher<int> m; - - // Successful match. Both matchers need to explain. The second - // matcher doesn't give an explanation, so only the first matcher's - // explanation is printed. - m = AllOf(GreaterThan(10), Lt(30)); - EXPECT_EQ("which is 15 more than 10", Explain(m, 25)); - - // Successful match. Both matchers need to explain. - m = AllOf(GreaterThan(10), GreaterThan(20)); - EXPECT_EQ("which is 20 more than 10, and which is 10 more than 20", - Explain(m, 30)); - - // Successful match. All matchers need to explain. The second - // matcher doesn't given an explanation. - m = AllOf(GreaterThan(10), Lt(30), GreaterThan(20)); - EXPECT_EQ("which is 15 more than 10, and which is 5 more than 20", - Explain(m, 25)); - - // Successful match. All matchers need to explain. - m = AllOf(GreaterThan(10), GreaterThan(20), GreaterThan(30)); - EXPECT_EQ("which is 30 more than 10, and which is 20 more than 20, " - "and which is 10 more than 30", - Explain(m, 40)); - - // Failed match. The first matcher, which failed, needs to - // explain. - m = AllOf(GreaterThan(10), GreaterThan(20)); - EXPECT_EQ("which is 5 less than 10", Explain(m, 5)); - - // Failed match. The second matcher, which failed, needs to - // explain. Since it doesn't given an explanation, nothing is - // printed. - m = AllOf(GreaterThan(10), Lt(30)); - EXPECT_EQ("", Explain(m, 40)); - - // Failed match. The second matcher, which failed, needs to - // explain. - m = AllOf(GreaterThan(10), GreaterThan(20)); - EXPECT_EQ("which is 5 less than 20", Explain(m, 15)); -} - -// Helper to allow easy testing of AnyOf matchers with num parameters. -static void AnyOfMatches(int num, const Matcher<int>& m) { - SCOPED_TRACE(Describe(m)); - EXPECT_FALSE(m.Matches(0)); - for (int i = 1; i <= num; ++i) { - EXPECT_TRUE(m.Matches(i)); - } - EXPECT_FALSE(m.Matches(num + 1)); -} - -static void AnyOfStringMatches(int num, const Matcher<std::string>& m) { - SCOPED_TRACE(Describe(m)); - EXPECT_FALSE(m.Matches(std::to_string(0))); - - for (int i = 1; i <= num; ++i) { - EXPECT_TRUE(m.Matches(std::to_string(i))); - } - EXPECT_FALSE(m.Matches(std::to_string(num + 1))); -} - -// Tests that AnyOf(m1, ..., mn) matches any value that matches at -// least one of the given matchers. -TEST(AnyOfTest, MatchesWhenAnyMatches) { - Matcher<int> m; - m = AnyOf(Le(1), Ge(3)); - EXPECT_TRUE(m.Matches(1)); - EXPECT_TRUE(m.Matches(4)); - EXPECT_FALSE(m.Matches(2)); - - m = AnyOf(Lt(0), Eq(1), Eq(2)); - EXPECT_TRUE(m.Matches(-1)); - EXPECT_TRUE(m.Matches(1)); - EXPECT_TRUE(m.Matches(2)); - EXPECT_FALSE(m.Matches(0)); - - m = AnyOf(Lt(0), Eq(1), Eq(2), Eq(3)); - EXPECT_TRUE(m.Matches(-1)); - EXPECT_TRUE(m.Matches(1)); - EXPECT_TRUE(m.Matches(2)); - EXPECT_TRUE(m.Matches(3)); - EXPECT_FALSE(m.Matches(0)); - - m = AnyOf(Le(0), Gt(10), 3, 5, 7); - EXPECT_TRUE(m.Matches(0)); - EXPECT_TRUE(m.Matches(11)); - EXPECT_TRUE(m.Matches(3)); - EXPECT_FALSE(m.Matches(2)); - - // The following tests for varying number of sub-matchers. Due to the way - // the sub-matchers are handled it is enough to test every sub-matcher once - // with sub-matchers using the same matcher type. Varying matcher types are - // checked for above. - AnyOfMatches(2, AnyOf(1, 2)); - AnyOfMatches(3, AnyOf(1, 2, 3)); - AnyOfMatches(4, AnyOf(1, 2, 3, 4)); - AnyOfMatches(5, AnyOf(1, 2, 3, 4, 5)); - AnyOfMatches(6, AnyOf(1, 2, 3, 4, 5, 6)); - AnyOfMatches(7, AnyOf(1, 2, 3, 4, 5, 6, 7)); - AnyOfMatches(8, AnyOf(1, 2, 3, 4, 5, 6, 7, 8)); - AnyOfMatches(9, AnyOf(1, 2, 3, 4, 5, 6, 7, 8, 9)); - AnyOfMatches(10, AnyOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)); -} - -// Tests the variadic version of the AnyOfMatcher. -TEST(AnyOfTest, VariadicMatchesWhenAnyMatches) { - // Also make sure AnyOf is defined in the right namespace and does not depend - // on ADL. - Matcher<int> m = ::testing::AnyOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11); - - EXPECT_THAT(Describe(m), EndsWith("or (is equal to 11)")); - AnyOfMatches(11, m); - AnyOfMatches(50, AnyOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, - 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, - 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, - 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, - 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)); - AnyOfStringMatches( - 50, AnyOf("1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", - "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", - "23", "24", "25", "26", "27", "28", "29", "30", "31", "32", - "33", "34", "35", "36", "37", "38", "39", "40", "41", "42", - "43", "44", "45", "46", "47", "48", "49", "50")); -} - -// Tests the variadic version of the ElementsAreMatcher -TEST(ElementsAreTest, HugeMatcher) { - vector<int> test_vector{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}; - - EXPECT_THAT(test_vector, - ElementsAre(Eq(1), Eq(2), Lt(13), Eq(4), Eq(5), Eq(6), Eq(7), - Eq(8), Eq(9), Eq(10), Gt(1), Eq(12))); -} - -// Tests the variadic version of the UnorderedElementsAreMatcher -TEST(ElementsAreTest, HugeMatcherStr) { - vector<std::string> test_vector{ - "literal_string", "", "", "", "", "", "", "", "", "", "", ""}; - - EXPECT_THAT(test_vector, UnorderedElementsAre("literal_string", _, _, _, _, _, - _, _, _, _, _, _)); -} - -// Tests the variadic version of the UnorderedElementsAreMatcher -TEST(ElementsAreTest, HugeMatcherUnordered) { - vector<int> test_vector{2, 1, 8, 5, 4, 6, 7, 3, 9, 12, 11, 10}; - - EXPECT_THAT(test_vector, UnorderedElementsAre( - Eq(2), Eq(1), Gt(7), Eq(5), Eq(4), Eq(6), Eq(7), - Eq(3), Eq(9), Eq(12), Eq(11), Ne(122))); -} - - -// Tests that AnyOf(m1, ..., mn) describes itself properly. -TEST(AnyOfTest, CanDescribeSelf) { - Matcher<int> m; - m = AnyOf(Le(1), Ge(3)); - - EXPECT_EQ("(is <= 1) or (is >= 3)", - Describe(m)); - - m = AnyOf(Lt(0), Eq(1), Eq(2)); - EXPECT_EQ("(is < 0) or (is equal to 1) or (is equal to 2)", Describe(m)); - - m = AnyOf(Lt(0), Eq(1), Eq(2), Eq(3)); - EXPECT_EQ("(is < 0) or (is equal to 1) or (is equal to 2) or (is equal to 3)", - Describe(m)); - - m = AnyOf(Le(0), Gt(10), 3, 5, 7); - EXPECT_EQ( - "(is <= 0) or (is > 10) or (is equal to 3) or (is equal to 5) or (is " - "equal to 7)", - Describe(m)); -} - -// Tests that AnyOf(m1, ..., mn) describes its negation properly. -TEST(AnyOfTest, CanDescribeNegation) { - Matcher<int> m; - m = AnyOf(Le(1), Ge(3)); - EXPECT_EQ("(isn't <= 1) and (isn't >= 3)", - DescribeNegation(m)); - - m = AnyOf(Lt(0), Eq(1), Eq(2)); - EXPECT_EQ("(isn't < 0) and (isn't equal to 1) and (isn't equal to 2)", - DescribeNegation(m)); - - m = AnyOf(Lt(0), Eq(1), Eq(2), Eq(3)); - EXPECT_EQ( - "(isn't < 0) and (isn't equal to 1) and (isn't equal to 2) and (isn't " - "equal to 3)", - DescribeNegation(m)); - - m = AnyOf(Le(0), Gt(10), 3, 5, 7); - EXPECT_EQ( - "(isn't <= 0) and (isn't > 10) and (isn't equal to 3) and (isn't equal " - "to 5) and (isn't equal to 7)", - DescribeNegation(m)); -} - -// Tests that monomorphic matchers are safely cast by the AnyOf matcher. -TEST(AnyOfTest, AnyOfMatcherSafelyCastsMonomorphicMatchers) { - // greater_than_5 and less_than_10 are monomorphic matchers. - Matcher<int> greater_than_5 = Gt(5); - Matcher<int> less_than_10 = Lt(10); - - Matcher<const int&> m = AnyOf(greater_than_5, less_than_10); - Matcher<int&> m2 = AnyOf(greater_than_5, less_than_10); - Matcher<int&> m3 = AnyOf(greater_than_5, m2); - - // Tests that EitherOf works when composing itself. - Matcher<const int&> m4 = AnyOf(greater_than_5, less_than_10, less_than_10); - Matcher<int&> m5 = AnyOf(greater_than_5, less_than_10, less_than_10); -} - -TEST(AnyOfTest, ExplainsResult) { - Matcher<int> m; - - // Failed match. Both matchers need to explain. The second - // matcher doesn't give an explanation, so only the first matcher's - // explanation is printed. - m = AnyOf(GreaterThan(10), Lt(0)); - EXPECT_EQ("which is 5 less than 10", Explain(m, 5)); - - // Failed match. Both matchers need to explain. - m = AnyOf(GreaterThan(10), GreaterThan(20)); - EXPECT_EQ("which is 5 less than 10, and which is 15 less than 20", - Explain(m, 5)); - - // Failed match. All matchers need to explain. The second - // matcher doesn't given an explanation. - m = AnyOf(GreaterThan(10), Gt(20), GreaterThan(30)); - EXPECT_EQ("which is 5 less than 10, and which is 25 less than 30", - Explain(m, 5)); - - // Failed match. All matchers need to explain. - m = AnyOf(GreaterThan(10), GreaterThan(20), GreaterThan(30)); - EXPECT_EQ("which is 5 less than 10, and which is 15 less than 20, " - "and which is 25 less than 30", - Explain(m, 5)); - - // Successful match. The first matcher, which succeeded, needs to - // explain. - m = AnyOf(GreaterThan(10), GreaterThan(20)); - EXPECT_EQ("which is 5 more than 10", Explain(m, 15)); - - // Successful match. The second matcher, which succeeded, needs to - // explain. Since it doesn't given an explanation, nothing is - // printed. - m = AnyOf(GreaterThan(10), Lt(30)); - EXPECT_EQ("", Explain(m, 0)); - - // Successful match. The second matcher, which succeeded, needs to - // explain. - m = AnyOf(GreaterThan(30), GreaterThan(20)); - EXPECT_EQ("which is 5 more than 20", Explain(m, 25)); -} - -// The following predicate function and predicate functor are for -// testing the Truly(predicate) matcher. - -// Returns non-zero if the input is positive. Note that the return -// type of this function is not bool. It's OK as Truly() accepts any -// unary function or functor whose return type can be implicitly -// converted to bool. -int IsPositive(double x) { - return x > 0 ? 1 : 0; -} - -// This functor returns true if the input is greater than the given -// number. -class IsGreaterThan { - public: - explicit IsGreaterThan(int threshold) : threshold_(threshold) {} - - bool operator()(int n) const { return n > threshold_; } - - private: - int threshold_; -}; - -// For testing Truly(). -const int foo = 0; - -// This predicate returns true if and only if the argument references foo and -// has a zero value. -bool ReferencesFooAndIsZero(const int& n) { - return (&n == &foo) && (n == 0); -} - -// Tests that Truly(predicate) matches what satisfies the given -// predicate. -TEST(TrulyTest, MatchesWhatSatisfiesThePredicate) { - Matcher<double> m = Truly(IsPositive); - EXPECT_TRUE(m.Matches(2.0)); - EXPECT_FALSE(m.Matches(-1.5)); -} - -// Tests that Truly(predicate_functor) works too. -TEST(TrulyTest, CanBeUsedWithFunctor) { - Matcher<int> m = Truly(IsGreaterThan(5)); - EXPECT_TRUE(m.Matches(6)); - EXPECT_FALSE(m.Matches(4)); -} - -// A class that can be implicitly converted to bool. -class ConvertibleToBool { - public: - explicit ConvertibleToBool(int number) : number_(number) {} - operator bool() const { return number_ != 0; } - - private: - int number_; -}; - -ConvertibleToBool IsNotZero(int number) { - return ConvertibleToBool(number); -} - -// Tests that the predicate used in Truly() may return a class that's -// implicitly convertible to bool, even when the class has no -// operator!(). -TEST(TrulyTest, PredicateCanReturnAClassConvertibleToBool) { - Matcher<int> m = Truly(IsNotZero); - EXPECT_TRUE(m.Matches(1)); - EXPECT_FALSE(m.Matches(0)); -} - -// Tests that Truly(predicate) can describe itself properly. -TEST(TrulyTest, CanDescribeSelf) { - Matcher<double> m = Truly(IsPositive); - EXPECT_EQ("satisfies the given predicate", - Describe(m)); -} - -// Tests that Truly(predicate) works when the matcher takes its -// argument by reference. -TEST(TrulyTest, WorksForByRefArguments) { - Matcher<const int&> m = Truly(ReferencesFooAndIsZero); - EXPECT_TRUE(m.Matches(foo)); - int n = 0; - EXPECT_FALSE(m.Matches(n)); -} - -// Tests that Matches(m) is a predicate satisfied by whatever that -// matches matcher m. -TEST(MatchesTest, IsSatisfiedByWhatMatchesTheMatcher) { - EXPECT_TRUE(Matches(Ge(0))(1)); - EXPECT_FALSE(Matches(Eq('a'))('b')); -} - -// Tests that Matches(m) works when the matcher takes its argument by -// reference. -TEST(MatchesTest, WorksOnByRefArguments) { - int m = 0, n = 0; - EXPECT_TRUE(Matches(AllOf(Ref(n), Eq(0)))(n)); - EXPECT_FALSE(Matches(Ref(m))(n)); -} - -// Tests that a Matcher on non-reference type can be used in -// Matches(). -TEST(MatchesTest, WorksWithMatcherOnNonRefType) { - Matcher<int> eq5 = Eq(5); - EXPECT_TRUE(Matches(eq5)(5)); - EXPECT_FALSE(Matches(eq5)(2)); -} - -// Tests Value(value, matcher). Since Value() is a simple wrapper for -// Matches(), which has been tested already, we don't spend a lot of -// effort on testing Value(). -TEST(ValueTest, WorksWithPolymorphicMatcher) { - EXPECT_TRUE(Value("hi", StartsWith("h"))); - EXPECT_FALSE(Value(5, Gt(10))); -} - -TEST(ValueTest, WorksWithMonomorphicMatcher) { - const Matcher<int> is_zero = Eq(0); - EXPECT_TRUE(Value(0, is_zero)); - EXPECT_FALSE(Value('a', is_zero)); - - int n = 0; - const Matcher<const int&> ref_n = Ref(n); - EXPECT_TRUE(Value(n, ref_n)); - EXPECT_FALSE(Value(1, ref_n)); -} - -TEST(ExplainMatchResultTest, WorksWithPolymorphicMatcher) { - StringMatchResultListener listener1; - EXPECT_TRUE(ExplainMatchResult(PolymorphicIsEven(), 42, &listener1)); - EXPECT_EQ("% 2 == 0", listener1.str()); - - StringMatchResultListener listener2; - EXPECT_FALSE(ExplainMatchResult(Ge(42), 1.5, &listener2)); - EXPECT_EQ("", listener2.str()); -} - -TEST(ExplainMatchResultTest, WorksWithMonomorphicMatcher) { - const Matcher<int> is_even = PolymorphicIsEven(); - StringMatchResultListener listener1; - EXPECT_TRUE(ExplainMatchResult(is_even, 42, &listener1)); - EXPECT_EQ("% 2 == 0", listener1.str()); - - const Matcher<const double&> is_zero = Eq(0); - StringMatchResultListener listener2; - EXPECT_FALSE(ExplainMatchResult(is_zero, 1.5, &listener2)); - EXPECT_EQ("", listener2.str()); -} - -MATCHER_P(Really, inner_matcher, "") { - return ExplainMatchResult(inner_matcher, arg, result_listener); -} - -TEST(ExplainMatchResultTest, WorksInsideMATCHER) { - EXPECT_THAT(0, Really(Eq(0))); -} - -TEST(DescribeMatcherTest, WorksWithValue) { - EXPECT_EQ("is equal to 42", DescribeMatcher<int>(42)); - EXPECT_EQ("isn't equal to 42", DescribeMatcher<int>(42, true)); -} - -TEST(DescribeMatcherTest, WorksWithMonomorphicMatcher) { - const Matcher<int> monomorphic = Le(0); - EXPECT_EQ("is <= 0", DescribeMatcher<int>(monomorphic)); - EXPECT_EQ("isn't <= 0", DescribeMatcher<int>(monomorphic, true)); -} - -TEST(DescribeMatcherTest, WorksWithPolymorphicMatcher) { - EXPECT_EQ("is even", DescribeMatcher<int>(PolymorphicIsEven())); - EXPECT_EQ("is odd", DescribeMatcher<int>(PolymorphicIsEven(), true)); -} - -TEST(AllArgsTest, WorksForTuple) { - EXPECT_THAT(std::make_tuple(1, 2L), AllArgs(Lt())); - EXPECT_THAT(std::make_tuple(2L, 1), Not(AllArgs(Lt()))); -} - -TEST(AllArgsTest, WorksForNonTuple) { - EXPECT_THAT(42, AllArgs(Gt(0))); - EXPECT_THAT('a', Not(AllArgs(Eq('b')))); -} - -class AllArgsHelper { - public: - AllArgsHelper() {} - - MOCK_METHOD2(Helper, int(char x, int y)); - - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(AllArgsHelper); -}; - -TEST(AllArgsTest, WorksInWithClause) { - AllArgsHelper helper; - ON_CALL(helper, Helper(_, _)) - .With(AllArgs(Lt())) - .WillByDefault(Return(1)); - EXPECT_CALL(helper, Helper(_, _)); - EXPECT_CALL(helper, Helper(_, _)) - .With(AllArgs(Gt())) - .WillOnce(Return(2)); - - EXPECT_EQ(1, helper.Helper('\1', 2)); - EXPECT_EQ(2, helper.Helper('a', 1)); -} - -class OptionalMatchersHelper { - public: - OptionalMatchersHelper() {} - - MOCK_METHOD0(NoArgs, int()); - - MOCK_METHOD1(OneArg, int(int y)); - - MOCK_METHOD2(TwoArgs, int(char x, int y)); - - MOCK_METHOD1(Overloaded, int(char x)); - MOCK_METHOD2(Overloaded, int(char x, int y)); - - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(OptionalMatchersHelper); -}; - -TEST(AllArgsTest, WorksWithoutMatchers) { - OptionalMatchersHelper helper; - - ON_CALL(helper, NoArgs).WillByDefault(Return(10)); - ON_CALL(helper, OneArg).WillByDefault(Return(20)); - ON_CALL(helper, TwoArgs).WillByDefault(Return(30)); - - EXPECT_EQ(10, helper.NoArgs()); - EXPECT_EQ(20, helper.OneArg(1)); - EXPECT_EQ(30, helper.TwoArgs('\1', 2)); - - EXPECT_CALL(helper, NoArgs).Times(1); - EXPECT_CALL(helper, OneArg).WillOnce(Return(100)); - EXPECT_CALL(helper, OneArg(17)).WillOnce(Return(200)); - EXPECT_CALL(helper, TwoArgs).Times(0); - - EXPECT_EQ(10, helper.NoArgs()); - EXPECT_EQ(100, helper.OneArg(1)); - EXPECT_EQ(200, helper.OneArg(17)); -} - -// Tests that ASSERT_THAT() and EXPECT_THAT() work when the value -// matches the matcher. -TEST(MatcherAssertionTest, WorksWhenMatcherIsSatisfied) { - ASSERT_THAT(5, Ge(2)) << "This should succeed."; - ASSERT_THAT("Foo", EndsWith("oo")); - EXPECT_THAT(2, AllOf(Le(7), Ge(0))) << "This should succeed too."; - EXPECT_THAT("Hello", StartsWith("Hell")); -} - -// Tests that ASSERT_THAT() and EXPECT_THAT() work when the value -// doesn't match the matcher. -TEST(MatcherAssertionTest, WorksWhenMatcherIsNotSatisfied) { - // 'n' must be static as it is used in an EXPECT_FATAL_FAILURE(), - // which cannot reference auto variables. - static unsigned short n; // NOLINT - n = 5; - - // VC++ prior to version 8.0 SP1 has a bug where it will not see any - // functions declared in the namespace scope from within nested classes. - // EXPECT/ASSERT_(NON)FATAL_FAILURE macros use nested classes so that all - // namespace-level functions invoked inside them need to be explicitly - // resolved. - EXPECT_FATAL_FAILURE(ASSERT_THAT(n, ::testing::Gt(10)), - "Value of: n\n" - "Expected: is > 10\n" - " Actual: 5" + OfType("unsigned short")); - n = 0; - EXPECT_NONFATAL_FAILURE( - EXPECT_THAT(n, ::testing::AllOf(::testing::Le(7), ::testing::Ge(5))), - "Value of: n\n" - "Expected: (is <= 7) and (is >= 5)\n" - " Actual: 0" + OfType("unsigned short")); -} - -// Tests that ASSERT_THAT() and EXPECT_THAT() work when the argument -// has a reference type. -TEST(MatcherAssertionTest, WorksForByRefArguments) { - // We use a static variable here as EXPECT_FATAL_FAILURE() cannot - // reference auto variables. - static int n; - n = 0; - EXPECT_THAT(n, AllOf(Le(7), Ref(n))); - EXPECT_FATAL_FAILURE(ASSERT_THAT(n, ::testing::Not(::testing::Ref(n))), - "Value of: n\n" - "Expected: does not reference the variable @"); - // Tests the "Actual" part. - EXPECT_FATAL_FAILURE(ASSERT_THAT(n, ::testing::Not(::testing::Ref(n))), - "Actual: 0" + OfType("int") + ", which is located @"); -} - -// Tests that ASSERT_THAT() and EXPECT_THAT() work when the matcher is -// monomorphic. -TEST(MatcherAssertionTest, WorksForMonomorphicMatcher) { - Matcher<const char*> starts_with_he = StartsWith("he"); - ASSERT_THAT("hello", starts_with_he); - - Matcher<const std::string&> ends_with_ok = EndsWith("ok"); - ASSERT_THAT("book", ends_with_ok); - const std::string bad = "bad"; - EXPECT_NONFATAL_FAILURE(EXPECT_THAT(bad, ends_with_ok), - "Value of: bad\n" - "Expected: ends with \"ok\"\n" - " Actual: \"bad\""); - Matcher<int> is_greater_than_5 = Gt(5); - EXPECT_NONFATAL_FAILURE(EXPECT_THAT(5, is_greater_than_5), - "Value of: 5\n" - "Expected: is > 5\n" - " Actual: 5" + OfType("int")); -} - -// Tests floating-point matchers. -template <typename RawType> -class FloatingPointTest : public testing::Test { - protected: - typedef testing::internal::FloatingPoint<RawType> Floating; - typedef typename Floating::Bits Bits; - - FloatingPointTest() - : max_ulps_(Floating::kMaxUlps), - zero_bits_(Floating(0).bits()), - one_bits_(Floating(1).bits()), - infinity_bits_(Floating(Floating::Infinity()).bits()), - close_to_positive_zero_( - Floating::ReinterpretBits(zero_bits_ + max_ulps_/2)), - close_to_negative_zero_( - -Floating::ReinterpretBits(zero_bits_ + max_ulps_ - max_ulps_/2)), - further_from_negative_zero_(-Floating::ReinterpretBits( - zero_bits_ + max_ulps_ + 1 - max_ulps_/2)), - close_to_one_(Floating::ReinterpretBits(one_bits_ + max_ulps_)), - further_from_one_(Floating::ReinterpretBits(one_bits_ + max_ulps_ + 1)), - infinity_(Floating::Infinity()), - close_to_infinity_( - Floating::ReinterpretBits(infinity_bits_ - max_ulps_)), - further_from_infinity_( - Floating::ReinterpretBits(infinity_bits_ - max_ulps_ - 1)), - max_(Floating::Max()), - nan1_(Floating::ReinterpretBits(Floating::kExponentBitMask | 1)), - nan2_(Floating::ReinterpretBits(Floating::kExponentBitMask | 200)) { - } - - void TestSize() { - EXPECT_EQ(sizeof(RawType), sizeof(Bits)); - } - - // A battery of tests for FloatingEqMatcher::Matches. - // matcher_maker is a pointer to a function which creates a FloatingEqMatcher. - void TestMatches( - testing::internal::FloatingEqMatcher<RawType> (*matcher_maker)(RawType)) { - Matcher<RawType> m1 = matcher_maker(0.0); - EXPECT_TRUE(m1.Matches(-0.0)); - EXPECT_TRUE(m1.Matches(close_to_positive_zero_)); - EXPECT_TRUE(m1.Matches(close_to_negative_zero_)); - EXPECT_FALSE(m1.Matches(1.0)); - - Matcher<RawType> m2 = matcher_maker(close_to_positive_zero_); - EXPECT_FALSE(m2.Matches(further_from_negative_zero_)); - - Matcher<RawType> m3 = matcher_maker(1.0); - EXPECT_TRUE(m3.Matches(close_to_one_)); - EXPECT_FALSE(m3.Matches(further_from_one_)); - - // Test commutativity: matcher_maker(0.0).Matches(1.0) was tested above. - EXPECT_FALSE(m3.Matches(0.0)); - - Matcher<RawType> m4 = matcher_maker(-infinity_); - EXPECT_TRUE(m4.Matches(-close_to_infinity_)); - - Matcher<RawType> m5 = matcher_maker(infinity_); - EXPECT_TRUE(m5.Matches(close_to_infinity_)); - - // This is interesting as the representations of infinity_ and nan1_ - // are only 1 DLP apart. - EXPECT_FALSE(m5.Matches(nan1_)); - - // matcher_maker can produce a Matcher<const RawType&>, which is needed in - // some cases. - Matcher<const RawType&> m6 = matcher_maker(0.0); - EXPECT_TRUE(m6.Matches(-0.0)); - EXPECT_TRUE(m6.Matches(close_to_positive_zero_)); - EXPECT_FALSE(m6.Matches(1.0)); - - // matcher_maker can produce a Matcher<RawType&>, which is needed in some - // cases. - Matcher<RawType&> m7 = matcher_maker(0.0); - RawType x = 0.0; - EXPECT_TRUE(m7.Matches(x)); - x = 0.01f; - EXPECT_FALSE(m7.Matches(x)); - } - - // Pre-calculated numbers to be used by the tests. - - const Bits max_ulps_; - - const Bits zero_bits_; // The bits that represent 0.0. - const Bits one_bits_; // The bits that represent 1.0. - const Bits infinity_bits_; // The bits that represent +infinity. - - // Some numbers close to 0.0. - const RawType close_to_positive_zero_; - const RawType close_to_negative_zero_; - const RawType further_from_negative_zero_; - - // Some numbers close to 1.0. - const RawType close_to_one_; - const RawType further_from_one_; - - // Some numbers close to +infinity. - const RawType infinity_; - const RawType close_to_infinity_; - const RawType further_from_infinity_; - - // Maximum representable value that's not infinity. - const RawType max_; - - // Some NaNs. - const RawType nan1_; - const RawType nan2_; -}; - -// Tests floating-point matchers with fixed epsilons. -template <typename RawType> -class FloatingPointNearTest : public FloatingPointTest<RawType> { - protected: - typedef FloatingPointTest<RawType> ParentType; - - // A battery of tests for FloatingEqMatcher::Matches with a fixed epsilon. - // matcher_maker is a pointer to a function which creates a FloatingEqMatcher. - void TestNearMatches( - testing::internal::FloatingEqMatcher<RawType> - (*matcher_maker)(RawType, RawType)) { - Matcher<RawType> m1 = matcher_maker(0.0, 0.0); - EXPECT_TRUE(m1.Matches(0.0)); - EXPECT_TRUE(m1.Matches(-0.0)); - EXPECT_FALSE(m1.Matches(ParentType::close_to_positive_zero_)); - EXPECT_FALSE(m1.Matches(ParentType::close_to_negative_zero_)); - EXPECT_FALSE(m1.Matches(1.0)); - - Matcher<RawType> m2 = matcher_maker(0.0, 1.0); - EXPECT_TRUE(m2.Matches(0.0)); - EXPECT_TRUE(m2.Matches(-0.0)); - EXPECT_TRUE(m2.Matches(1.0)); - EXPECT_TRUE(m2.Matches(-1.0)); - EXPECT_FALSE(m2.Matches(ParentType::close_to_one_)); - EXPECT_FALSE(m2.Matches(-ParentType::close_to_one_)); - - // Check that inf matches inf, regardless of the of the specified max - // absolute error. - Matcher<RawType> m3 = matcher_maker(ParentType::infinity_, 0.0); - EXPECT_TRUE(m3.Matches(ParentType::infinity_)); - EXPECT_FALSE(m3.Matches(ParentType::close_to_infinity_)); - EXPECT_FALSE(m3.Matches(-ParentType::infinity_)); - - Matcher<RawType> m4 = matcher_maker(-ParentType::infinity_, 0.0); - EXPECT_TRUE(m4.Matches(-ParentType::infinity_)); - EXPECT_FALSE(m4.Matches(-ParentType::close_to_infinity_)); - EXPECT_FALSE(m4.Matches(ParentType::infinity_)); - - // Test various overflow scenarios. - Matcher<RawType> m5 = matcher_maker(ParentType::max_, ParentType::max_); - EXPECT_TRUE(m5.Matches(ParentType::max_)); - EXPECT_FALSE(m5.Matches(-ParentType::max_)); - - Matcher<RawType> m6 = matcher_maker(-ParentType::max_, ParentType::max_); - EXPECT_FALSE(m6.Matches(ParentType::max_)); - EXPECT_TRUE(m6.Matches(-ParentType::max_)); - - Matcher<RawType> m7 = matcher_maker(ParentType::max_, 0); - EXPECT_TRUE(m7.Matches(ParentType::max_)); - EXPECT_FALSE(m7.Matches(-ParentType::max_)); - - Matcher<RawType> m8 = matcher_maker(-ParentType::max_, 0); - EXPECT_FALSE(m8.Matches(ParentType::max_)); - EXPECT_TRUE(m8.Matches(-ParentType::max_)); - - // The difference between max() and -max() normally overflows to infinity, - // but it should still match if the max_abs_error is also infinity. - Matcher<RawType> m9 = matcher_maker( - ParentType::max_, ParentType::infinity_); - EXPECT_TRUE(m8.Matches(-ParentType::max_)); - - // matcher_maker can produce a Matcher<const RawType&>, which is needed in - // some cases. - Matcher<const RawType&> m10 = matcher_maker(0.0, 1.0); - EXPECT_TRUE(m10.Matches(-0.0)); - EXPECT_TRUE(m10.Matches(ParentType::close_to_positive_zero_)); - EXPECT_FALSE(m10.Matches(ParentType::close_to_one_)); - - // matcher_maker can produce a Matcher<RawType&>, which is needed in some - // cases. - Matcher<RawType&> m11 = matcher_maker(0.0, 1.0); - RawType x = 0.0; - EXPECT_TRUE(m11.Matches(x)); - x = 1.0f; - EXPECT_TRUE(m11.Matches(x)); - x = -1.0f; - EXPECT_TRUE(m11.Matches(x)); - x = 1.1f; - EXPECT_FALSE(m11.Matches(x)); - x = -1.1f; - EXPECT_FALSE(m11.Matches(x)); - } -}; - -// Instantiate FloatingPointTest for testing floats. -typedef FloatingPointTest<float> FloatTest; - -TEST_F(FloatTest, FloatEqApproximatelyMatchesFloats) { - TestMatches(&FloatEq); -} - -TEST_F(FloatTest, NanSensitiveFloatEqApproximatelyMatchesFloats) { - TestMatches(&NanSensitiveFloatEq); -} - -TEST_F(FloatTest, FloatEqCannotMatchNaN) { - // FloatEq never matches NaN. - Matcher<float> m = FloatEq(nan1_); - EXPECT_FALSE(m.Matches(nan1_)); - EXPECT_FALSE(m.Matches(nan2_)); - EXPECT_FALSE(m.Matches(1.0)); -} - -TEST_F(FloatTest, NanSensitiveFloatEqCanMatchNaN) { - // NanSensitiveFloatEq will match NaN. - Matcher<float> m = NanSensitiveFloatEq(nan1_); - EXPECT_TRUE(m.Matches(nan1_)); - EXPECT_TRUE(m.Matches(nan2_)); - EXPECT_FALSE(m.Matches(1.0)); -} - -TEST_F(FloatTest, FloatEqCanDescribeSelf) { - Matcher<float> m1 = FloatEq(2.0f); - EXPECT_EQ("is approximately 2", Describe(m1)); - EXPECT_EQ("isn't approximately 2", DescribeNegation(m1)); - - Matcher<float> m2 = FloatEq(0.5f); - EXPECT_EQ("is approximately 0.5", Describe(m2)); - EXPECT_EQ("isn't approximately 0.5", DescribeNegation(m2)); - - Matcher<float> m3 = FloatEq(nan1_); - EXPECT_EQ("never matches", Describe(m3)); - EXPECT_EQ("is anything", DescribeNegation(m3)); -} - -TEST_F(FloatTest, NanSensitiveFloatEqCanDescribeSelf) { - Matcher<float> m1 = NanSensitiveFloatEq(2.0f); - EXPECT_EQ("is approximately 2", Describe(m1)); - EXPECT_EQ("isn't approximately 2", DescribeNegation(m1)); - - Matcher<float> m2 = NanSensitiveFloatEq(0.5f); - EXPECT_EQ("is approximately 0.5", Describe(m2)); - EXPECT_EQ("isn't approximately 0.5", DescribeNegation(m2)); - - Matcher<float> m3 = NanSensitiveFloatEq(nan1_); - EXPECT_EQ("is NaN", Describe(m3)); - EXPECT_EQ("isn't NaN", DescribeNegation(m3)); -} - -// Instantiate FloatingPointTest for testing floats with a user-specified -// max absolute error. -typedef FloatingPointNearTest<float> FloatNearTest; - -TEST_F(FloatNearTest, FloatNearMatches) { - TestNearMatches(&FloatNear); -} - -TEST_F(FloatNearTest, NanSensitiveFloatNearApproximatelyMatchesFloats) { - TestNearMatches(&NanSensitiveFloatNear); -} - -TEST_F(FloatNearTest, FloatNearCanDescribeSelf) { - Matcher<float> m1 = FloatNear(2.0f, 0.5f); - EXPECT_EQ("is approximately 2 (absolute error <= 0.5)", Describe(m1)); - EXPECT_EQ( - "isn't approximately 2 (absolute error > 0.5)", DescribeNegation(m1)); - - Matcher<float> m2 = FloatNear(0.5f, 0.5f); - EXPECT_EQ("is approximately 0.5 (absolute error <= 0.5)", Describe(m2)); - EXPECT_EQ( - "isn't approximately 0.5 (absolute error > 0.5)", DescribeNegation(m2)); - - Matcher<float> m3 = FloatNear(nan1_, 0.0); - EXPECT_EQ("never matches", Describe(m3)); - EXPECT_EQ("is anything", DescribeNegation(m3)); -} - -TEST_F(FloatNearTest, NanSensitiveFloatNearCanDescribeSelf) { - Matcher<float> m1 = NanSensitiveFloatNear(2.0f, 0.5f); - EXPECT_EQ("is approximately 2 (absolute error <= 0.5)", Describe(m1)); - EXPECT_EQ( - "isn't approximately 2 (absolute error > 0.5)", DescribeNegation(m1)); - - Matcher<float> m2 = NanSensitiveFloatNear(0.5f, 0.5f); - EXPECT_EQ("is approximately 0.5 (absolute error <= 0.5)", Describe(m2)); - EXPECT_EQ( - "isn't approximately 0.5 (absolute error > 0.5)", DescribeNegation(m2)); - - Matcher<float> m3 = NanSensitiveFloatNear(nan1_, 0.1f); - EXPECT_EQ("is NaN", Describe(m3)); - EXPECT_EQ("isn't NaN", DescribeNegation(m3)); -} - -TEST_F(FloatNearTest, FloatNearCannotMatchNaN) { - // FloatNear never matches NaN. - Matcher<float> m = FloatNear(ParentType::nan1_, 0.1f); - EXPECT_FALSE(m.Matches(nan1_)); - EXPECT_FALSE(m.Matches(nan2_)); - EXPECT_FALSE(m.Matches(1.0)); -} - -TEST_F(FloatNearTest, NanSensitiveFloatNearCanMatchNaN) { - // NanSensitiveFloatNear will match NaN. - Matcher<float> m = NanSensitiveFloatNear(nan1_, 0.1f); - EXPECT_TRUE(m.Matches(nan1_)); - EXPECT_TRUE(m.Matches(nan2_)); - EXPECT_FALSE(m.Matches(1.0)); -} - -// Instantiate FloatingPointTest for testing doubles. -typedef FloatingPointTest<double> DoubleTest; - -TEST_F(DoubleTest, DoubleEqApproximatelyMatchesDoubles) { - TestMatches(&DoubleEq); -} - -TEST_F(DoubleTest, NanSensitiveDoubleEqApproximatelyMatchesDoubles) { - TestMatches(&NanSensitiveDoubleEq); -} - -TEST_F(DoubleTest, DoubleEqCannotMatchNaN) { - // DoubleEq never matches NaN. - Matcher<double> m = DoubleEq(nan1_); - EXPECT_FALSE(m.Matches(nan1_)); - EXPECT_FALSE(m.Matches(nan2_)); - EXPECT_FALSE(m.Matches(1.0)); -} - -TEST_F(DoubleTest, NanSensitiveDoubleEqCanMatchNaN) { - // NanSensitiveDoubleEq will match NaN. - Matcher<double> m = NanSensitiveDoubleEq(nan1_); - EXPECT_TRUE(m.Matches(nan1_)); - EXPECT_TRUE(m.Matches(nan2_)); - EXPECT_FALSE(m.Matches(1.0)); -} - -TEST_F(DoubleTest, DoubleEqCanDescribeSelf) { - Matcher<double> m1 = DoubleEq(2.0); - EXPECT_EQ("is approximately 2", Describe(m1)); - EXPECT_EQ("isn't approximately 2", DescribeNegation(m1)); - - Matcher<double> m2 = DoubleEq(0.5); - EXPECT_EQ("is approximately 0.5", Describe(m2)); - EXPECT_EQ("isn't approximately 0.5", DescribeNegation(m2)); - - Matcher<double> m3 = DoubleEq(nan1_); - EXPECT_EQ("never matches", Describe(m3)); - EXPECT_EQ("is anything", DescribeNegation(m3)); -} - -TEST_F(DoubleTest, NanSensitiveDoubleEqCanDescribeSelf) { - Matcher<double> m1 = NanSensitiveDoubleEq(2.0); - EXPECT_EQ("is approximately 2", Describe(m1)); - EXPECT_EQ("isn't approximately 2", DescribeNegation(m1)); - - Matcher<double> m2 = NanSensitiveDoubleEq(0.5); - EXPECT_EQ("is approximately 0.5", Describe(m2)); - EXPECT_EQ("isn't approximately 0.5", DescribeNegation(m2)); - - Matcher<double> m3 = NanSensitiveDoubleEq(nan1_); - EXPECT_EQ("is NaN", Describe(m3)); - EXPECT_EQ("isn't NaN", DescribeNegation(m3)); -} - -// Instantiate FloatingPointTest for testing floats with a user-specified -// max absolute error. -typedef FloatingPointNearTest<double> DoubleNearTest; - -TEST_F(DoubleNearTest, DoubleNearMatches) { - TestNearMatches(&DoubleNear); -} - -TEST_F(DoubleNearTest, NanSensitiveDoubleNearApproximatelyMatchesDoubles) { - TestNearMatches(&NanSensitiveDoubleNear); -} - -TEST_F(DoubleNearTest, DoubleNearCanDescribeSelf) { - Matcher<double> m1 = DoubleNear(2.0, 0.5); - EXPECT_EQ("is approximately 2 (absolute error <= 0.5)", Describe(m1)); - EXPECT_EQ( - "isn't approximately 2 (absolute error > 0.5)", DescribeNegation(m1)); - - Matcher<double> m2 = DoubleNear(0.5, 0.5); - EXPECT_EQ("is approximately 0.5 (absolute error <= 0.5)", Describe(m2)); - EXPECT_EQ( - "isn't approximately 0.5 (absolute error > 0.5)", DescribeNegation(m2)); - - Matcher<double> m3 = DoubleNear(nan1_, 0.0); - EXPECT_EQ("never matches", Describe(m3)); - EXPECT_EQ("is anything", DescribeNegation(m3)); -} - -TEST_F(DoubleNearTest, ExplainsResultWhenMatchFails) { - EXPECT_EQ("", Explain(DoubleNear(2.0, 0.1), 2.05)); - EXPECT_EQ("which is 0.2 from 2", Explain(DoubleNear(2.0, 0.1), 2.2)); - EXPECT_EQ("which is -0.3 from 2", Explain(DoubleNear(2.0, 0.1), 1.7)); - - const std::string explanation = - Explain(DoubleNear(2.1, 1e-10), 2.1 + 1.2e-10); - // Different C++ implementations may print floating-point numbers - // slightly differently. - EXPECT_TRUE(explanation == "which is 1.2e-10 from 2.1" || // GCC - explanation == "which is 1.2e-010 from 2.1") // MSVC - << " where explanation is \"" << explanation << "\"."; -} - -TEST_F(DoubleNearTest, NanSensitiveDoubleNearCanDescribeSelf) { - Matcher<double> m1 = NanSensitiveDoubleNear(2.0, 0.5); - EXPECT_EQ("is approximately 2 (absolute error <= 0.5)", Describe(m1)); - EXPECT_EQ( - "isn't approximately 2 (absolute error > 0.5)", DescribeNegation(m1)); - - Matcher<double> m2 = NanSensitiveDoubleNear(0.5, 0.5); - EXPECT_EQ("is approximately 0.5 (absolute error <= 0.5)", Describe(m2)); - EXPECT_EQ( - "isn't approximately 0.5 (absolute error > 0.5)", DescribeNegation(m2)); - - Matcher<double> m3 = NanSensitiveDoubleNear(nan1_, 0.1); - EXPECT_EQ("is NaN", Describe(m3)); - EXPECT_EQ("isn't NaN", DescribeNegation(m3)); -} - -TEST_F(DoubleNearTest, DoubleNearCannotMatchNaN) { - // DoubleNear never matches NaN. - Matcher<double> m = DoubleNear(ParentType::nan1_, 0.1); - EXPECT_FALSE(m.Matches(nan1_)); - EXPECT_FALSE(m.Matches(nan2_)); - EXPECT_FALSE(m.Matches(1.0)); -} - -TEST_F(DoubleNearTest, NanSensitiveDoubleNearCanMatchNaN) { - // NanSensitiveDoubleNear will match NaN. - Matcher<double> m = NanSensitiveDoubleNear(nan1_, 0.1); - EXPECT_TRUE(m.Matches(nan1_)); - EXPECT_TRUE(m.Matches(nan2_)); - EXPECT_FALSE(m.Matches(1.0)); -} - -TEST(PointeeTest, RawPointer) { - const Matcher<int*> m = Pointee(Ge(0)); - - int n = 1; - EXPECT_TRUE(m.Matches(&n)); - n = -1; - EXPECT_FALSE(m.Matches(&n)); - EXPECT_FALSE(m.Matches(nullptr)); -} - -TEST(PointeeTest, RawPointerToConst) { - const Matcher<const double*> m = Pointee(Ge(0)); - - double x = 1; - EXPECT_TRUE(m.Matches(&x)); - x = -1; - EXPECT_FALSE(m.Matches(&x)); - EXPECT_FALSE(m.Matches(nullptr)); -} - -TEST(PointeeTest, ReferenceToConstRawPointer) { - const Matcher<int* const &> m = Pointee(Ge(0)); - - int n = 1; - EXPECT_TRUE(m.Matches(&n)); - n = -1; - EXPECT_FALSE(m.Matches(&n)); - EXPECT_FALSE(m.Matches(nullptr)); -} - -TEST(PointeeTest, ReferenceToNonConstRawPointer) { - const Matcher<double* &> m = Pointee(Ge(0)); - - double x = 1.0; - double* p = &x; - EXPECT_TRUE(m.Matches(p)); - x = -1; - EXPECT_FALSE(m.Matches(p)); - p = nullptr; - EXPECT_FALSE(m.Matches(p)); -} - -MATCHER_P(FieldIIs, inner_matcher, "") { - return ExplainMatchResult(inner_matcher, arg.i, result_listener); -} - -#if GTEST_HAS_RTTI -TEST(WhenDynamicCastToTest, SameType) { - Derived derived; - derived.i = 4; - - // Right type. A pointer is passed down. - Base* as_base_ptr = &derived; - EXPECT_THAT(as_base_ptr, WhenDynamicCastTo<Derived*>(Not(IsNull()))); - EXPECT_THAT(as_base_ptr, WhenDynamicCastTo<Derived*>(Pointee(FieldIIs(4)))); - EXPECT_THAT(as_base_ptr, - Not(WhenDynamicCastTo<Derived*>(Pointee(FieldIIs(5))))); -} - -TEST(WhenDynamicCastToTest, WrongTypes) { - Base base; - Derived derived; - OtherDerived other_derived; - - // Wrong types. NULL is passed. - EXPECT_THAT(&base, Not(WhenDynamicCastTo<Derived*>(Pointee(_)))); - EXPECT_THAT(&base, WhenDynamicCastTo<Derived*>(IsNull())); - Base* as_base_ptr = &derived; - EXPECT_THAT(as_base_ptr, Not(WhenDynamicCastTo<OtherDerived*>(Pointee(_)))); - EXPECT_THAT(as_base_ptr, WhenDynamicCastTo<OtherDerived*>(IsNull())); - as_base_ptr = &other_derived; - EXPECT_THAT(as_base_ptr, Not(WhenDynamicCastTo<Derived*>(Pointee(_)))); - EXPECT_THAT(as_base_ptr, WhenDynamicCastTo<Derived*>(IsNull())); -} - -TEST(WhenDynamicCastToTest, AlreadyNull) { - // Already NULL. - Base* as_base_ptr = nullptr; - EXPECT_THAT(as_base_ptr, WhenDynamicCastTo<Derived*>(IsNull())); -} - -struct AmbiguousCastTypes { - class VirtualDerived : public virtual Base {}; - class DerivedSub1 : public VirtualDerived {}; - class DerivedSub2 : public VirtualDerived {}; - class ManyDerivedInHierarchy : public DerivedSub1, public DerivedSub2 {}; -}; - -TEST(WhenDynamicCastToTest, AmbiguousCast) { - AmbiguousCastTypes::DerivedSub1 sub1; - AmbiguousCastTypes::ManyDerivedInHierarchy many_derived; - // Multiply derived from Base. dynamic_cast<> returns NULL. - Base* as_base_ptr = - static_cast<AmbiguousCastTypes::DerivedSub1*>(&many_derived); - EXPECT_THAT(as_base_ptr, - WhenDynamicCastTo<AmbiguousCastTypes::VirtualDerived*>(IsNull())); - as_base_ptr = &sub1; - EXPECT_THAT( - as_base_ptr, - WhenDynamicCastTo<AmbiguousCastTypes::VirtualDerived*>(Not(IsNull()))); -} - -TEST(WhenDynamicCastToTest, Describe) { - Matcher<Base*> matcher = WhenDynamicCastTo<Derived*>(Pointee(_)); - const std::string prefix = - "when dynamic_cast to " + internal::GetTypeName<Derived*>() + ", "; - EXPECT_EQ(prefix + "points to a value that is anything", Describe(matcher)); - EXPECT_EQ(prefix + "does not point to a value that is anything", - DescribeNegation(matcher)); -} - -TEST(WhenDynamicCastToTest, Explain) { - Matcher<Base*> matcher = WhenDynamicCastTo<Derived*>(Pointee(_)); - Base* null = nullptr; - EXPECT_THAT(Explain(matcher, null), HasSubstr("NULL")); - Derived derived; - EXPECT_TRUE(matcher.Matches(&derived)); - EXPECT_THAT(Explain(matcher, &derived), HasSubstr("which points to ")); - - // With references, the matcher itself can fail. Test for that one. - Matcher<const Base&> ref_matcher = WhenDynamicCastTo<const OtherDerived&>(_); - EXPECT_THAT(Explain(ref_matcher, derived), - HasSubstr("which cannot be dynamic_cast")); -} - -TEST(WhenDynamicCastToTest, GoodReference) { - Derived derived; - derived.i = 4; - Base& as_base_ref = derived; - EXPECT_THAT(as_base_ref, WhenDynamicCastTo<const Derived&>(FieldIIs(4))); - EXPECT_THAT(as_base_ref, WhenDynamicCastTo<const Derived&>(Not(FieldIIs(5)))); -} - -TEST(WhenDynamicCastToTest, BadReference) { - Derived derived; - Base& as_base_ref = derived; - EXPECT_THAT(as_base_ref, Not(WhenDynamicCastTo<const OtherDerived&>(_))); -} -#endif // GTEST_HAS_RTTI - -// Minimal const-propagating pointer. -template <typename T> -class ConstPropagatingPtr { - public: - typedef T element_type; - - ConstPropagatingPtr() : val_() {} - explicit ConstPropagatingPtr(T* t) : val_(t) {} - ConstPropagatingPtr(const ConstPropagatingPtr& other) : val_(other.val_) {} - - T* get() { return val_; } - T& operator*() { return *val_; } - // Most smart pointers return non-const T* and T& from the next methods. - const T* get() const { return val_; } - const T& operator*() const { return *val_; } - - private: - T* val_; -}; - -TEST(PointeeTest, WorksWithConstPropagatingPointers) { - const Matcher< ConstPropagatingPtr<int> > m = Pointee(Lt(5)); - int three = 3; - const ConstPropagatingPtr<int> co(&three); - ConstPropagatingPtr<int> o(&three); - EXPECT_TRUE(m.Matches(o)); - EXPECT_TRUE(m.Matches(co)); - *o = 6; - EXPECT_FALSE(m.Matches(o)); - EXPECT_FALSE(m.Matches(ConstPropagatingPtr<int>())); -} - -TEST(PointeeTest, NeverMatchesNull) { - const Matcher<const char*> m = Pointee(_); - EXPECT_FALSE(m.Matches(nullptr)); -} - -// Tests that we can write Pointee(value) instead of Pointee(Eq(value)). -TEST(PointeeTest, MatchesAgainstAValue) { - const Matcher<int*> m = Pointee(5); - - int n = 5; - EXPECT_TRUE(m.Matches(&n)); - n = -1; - EXPECT_FALSE(m.Matches(&n)); - EXPECT_FALSE(m.Matches(nullptr)); -} - -TEST(PointeeTest, CanDescribeSelf) { - const Matcher<int*> m = Pointee(Gt(3)); - EXPECT_EQ("points to a value that is > 3", Describe(m)); - EXPECT_EQ("does not point to a value that is > 3", - DescribeNegation(m)); -} - -TEST(PointeeTest, CanExplainMatchResult) { - const Matcher<const std::string*> m = Pointee(StartsWith("Hi")); - - EXPECT_EQ("", Explain(m, static_cast<const std::string*>(nullptr))); - - const Matcher<long*> m2 = Pointee(GreaterThan(1)); // NOLINT - long n = 3; // NOLINT - EXPECT_EQ("which points to 3" + OfType("long") + ", which is 2 more than 1", - Explain(m2, &n)); -} - -TEST(PointeeTest, AlwaysExplainsPointee) { - const Matcher<int*> m = Pointee(0); - int n = 42; - EXPECT_EQ("which points to 42" + OfType("int"), Explain(m, &n)); -} - -// An uncopyable class. -class Uncopyable { - public: - Uncopyable() : value_(-1) {} - explicit Uncopyable(int a_value) : value_(a_value) {} - - int value() const { return value_; } - void set_value(int i) { value_ = i; } - - private: - int value_; - GTEST_DISALLOW_COPY_AND_ASSIGN_(Uncopyable); -}; - -// Returns true if and only if x.value() is positive. -bool ValueIsPositive(const Uncopyable& x) { return x.value() > 0; } - -MATCHER_P(UncopyableIs, inner_matcher, "") { - return ExplainMatchResult(inner_matcher, arg.value(), result_listener); -} - -// A user-defined struct for testing Field(). -struct AStruct { - AStruct() : x(0), y(1.0), z(5), p(nullptr) {} - AStruct(const AStruct& rhs) - : x(rhs.x), y(rhs.y), z(rhs.z.value()), p(rhs.p) {} - - int x; // A non-const field. - const double y; // A const field. - Uncopyable z; // An uncopyable field. - const char* p; // A pointer field. - - private: - GTEST_DISALLOW_ASSIGN_(AStruct); -}; - -// A derived struct for testing Field(). -struct DerivedStruct : public AStruct { - char ch; - - private: - GTEST_DISALLOW_ASSIGN_(DerivedStruct); -}; - -// Tests that Field(&Foo::field, ...) works when field is non-const. -TEST(FieldTest, WorksForNonConstField) { - Matcher<AStruct> m = Field(&AStruct::x, Ge(0)); - Matcher<AStruct> m_with_name = Field("x", &AStruct::x, Ge(0)); - - AStruct a; - EXPECT_TRUE(m.Matches(a)); - EXPECT_TRUE(m_with_name.Matches(a)); - a.x = -1; - EXPECT_FALSE(m.Matches(a)); - EXPECT_FALSE(m_with_name.Matches(a)); -} - -// Tests that Field(&Foo::field, ...) works when field is const. -TEST(FieldTest, WorksForConstField) { - AStruct a; - - Matcher<AStruct> m = Field(&AStruct::y, Ge(0.0)); - Matcher<AStruct> m_with_name = Field("y", &AStruct::y, Ge(0.0)); - EXPECT_TRUE(m.Matches(a)); - EXPECT_TRUE(m_with_name.Matches(a)); - m = Field(&AStruct::y, Le(0.0)); - m_with_name = Field("y", &AStruct::y, Le(0.0)); - EXPECT_FALSE(m.Matches(a)); - EXPECT_FALSE(m_with_name.Matches(a)); -} - -// Tests that Field(&Foo::field, ...) works when field is not copyable. -TEST(FieldTest, WorksForUncopyableField) { - AStruct a; - - Matcher<AStruct> m = Field(&AStruct::z, Truly(ValueIsPositive)); - EXPECT_TRUE(m.Matches(a)); - m = Field(&AStruct::z, Not(Truly(ValueIsPositive))); - EXPECT_FALSE(m.Matches(a)); -} - -// Tests that Field(&Foo::field, ...) works when field is a pointer. -TEST(FieldTest, WorksForPointerField) { - // Matching against NULL. - Matcher<AStruct> m = Field(&AStruct::p, static_cast<const char*>(nullptr)); - AStruct a; - EXPECT_TRUE(m.Matches(a)); - a.p = "hi"; - EXPECT_FALSE(m.Matches(a)); - - // Matching a pointer that is not NULL. - m = Field(&AStruct::p, StartsWith("hi")); - a.p = "hill"; - EXPECT_TRUE(m.Matches(a)); - a.p = "hole"; - EXPECT_FALSE(m.Matches(a)); -} - -// Tests that Field() works when the object is passed by reference. -TEST(FieldTest, WorksForByRefArgument) { - Matcher<const AStruct&> m = Field(&AStruct::x, Ge(0)); - - AStruct a; - EXPECT_TRUE(m.Matches(a)); - a.x = -1; - EXPECT_FALSE(m.Matches(a)); -} - -// Tests that Field(&Foo::field, ...) works when the argument's type -// is a sub-type of Foo. -TEST(FieldTest, WorksForArgumentOfSubType) { - // Note that the matcher expects DerivedStruct but we say AStruct - // inside Field(). - Matcher<const DerivedStruct&> m = Field(&AStruct::x, Ge(0)); - - DerivedStruct d; - EXPECT_TRUE(m.Matches(d)); - d.x = -1; - EXPECT_FALSE(m.Matches(d)); -} - -// Tests that Field(&Foo::field, m) works when field's type and m's -// argument type are compatible but not the same. -TEST(FieldTest, WorksForCompatibleMatcherType) { - // The field is an int, but the inner matcher expects a signed char. - Matcher<const AStruct&> m = Field(&AStruct::x, - Matcher<signed char>(Ge(0))); - - AStruct a; - EXPECT_TRUE(m.Matches(a)); - a.x = -1; - EXPECT_FALSE(m.Matches(a)); -} - -// Tests that Field() can describe itself. -TEST(FieldTest, CanDescribeSelf) { - Matcher<const AStruct&> m = Field(&AStruct::x, Ge(0)); - - EXPECT_EQ("is an object whose given field is >= 0", Describe(m)); - EXPECT_EQ("is an object whose given field isn't >= 0", DescribeNegation(m)); -} - -TEST(FieldTest, CanDescribeSelfWithFieldName) { - Matcher<const AStruct&> m = Field("field_name", &AStruct::x, Ge(0)); - - EXPECT_EQ("is an object whose field `field_name` is >= 0", Describe(m)); - EXPECT_EQ("is an object whose field `field_name` isn't >= 0", - DescribeNegation(m)); -} - -// Tests that Field() can explain the match result. -TEST(FieldTest, CanExplainMatchResult) { - Matcher<const AStruct&> m = Field(&AStruct::x, Ge(0)); - - AStruct a; - a.x = 1; - EXPECT_EQ("whose given field is 1" + OfType("int"), Explain(m, a)); - - m = Field(&AStruct::x, GreaterThan(0)); - EXPECT_EQ( - "whose given field is 1" + OfType("int") + ", which is 1 more than 0", - Explain(m, a)); -} - -TEST(FieldTest, CanExplainMatchResultWithFieldName) { - Matcher<const AStruct&> m = Field("field_name", &AStruct::x, Ge(0)); - - AStruct a; - a.x = 1; - EXPECT_EQ("whose field `field_name` is 1" + OfType("int"), Explain(m, a)); - - m = Field("field_name", &AStruct::x, GreaterThan(0)); - EXPECT_EQ("whose field `field_name` is 1" + OfType("int") + - ", which is 1 more than 0", - Explain(m, a)); -} - -// Tests that Field() works when the argument is a pointer to const. -TEST(FieldForPointerTest, WorksForPointerToConst) { - Matcher<const AStruct*> m = Field(&AStruct::x, Ge(0)); - - AStruct a; - EXPECT_TRUE(m.Matches(&a)); - a.x = -1; - EXPECT_FALSE(m.Matches(&a)); -} - -// Tests that Field() works when the argument is a pointer to non-const. -TEST(FieldForPointerTest, WorksForPointerToNonConst) { - Matcher<AStruct*> m = Field(&AStruct::x, Ge(0)); - - AStruct a; - EXPECT_TRUE(m.Matches(&a)); - a.x = -1; - EXPECT_FALSE(m.Matches(&a)); -} - -// Tests that Field() works when the argument is a reference to a const pointer. -TEST(FieldForPointerTest, WorksForReferenceToConstPointer) { - Matcher<AStruct* const&> m = Field(&AStruct::x, Ge(0)); - - AStruct a; - EXPECT_TRUE(m.Matches(&a)); - a.x = -1; - EXPECT_FALSE(m.Matches(&a)); -} - -// Tests that Field() does not match the NULL pointer. -TEST(FieldForPointerTest, DoesNotMatchNull) { - Matcher<const AStruct*> m = Field(&AStruct::x, _); - EXPECT_FALSE(m.Matches(nullptr)); -} - -// Tests that Field(&Foo::field, ...) works when the argument's type -// is a sub-type of const Foo*. -TEST(FieldForPointerTest, WorksForArgumentOfSubType) { - // Note that the matcher expects DerivedStruct but we say AStruct - // inside Field(). - Matcher<DerivedStruct*> m = Field(&AStruct::x, Ge(0)); - - DerivedStruct d; - EXPECT_TRUE(m.Matches(&d)); - d.x = -1; - EXPECT_FALSE(m.Matches(&d)); -} - -// Tests that Field() can describe itself when used to match a pointer. -TEST(FieldForPointerTest, CanDescribeSelf) { - Matcher<const AStruct*> m = Field(&AStruct::x, Ge(0)); - - EXPECT_EQ("is an object whose given field is >= 0", Describe(m)); - EXPECT_EQ("is an object whose given field isn't >= 0", DescribeNegation(m)); -} - -TEST(FieldForPointerTest, CanDescribeSelfWithFieldName) { - Matcher<const AStruct*> m = Field("field_name", &AStruct::x, Ge(0)); - - EXPECT_EQ("is an object whose field `field_name` is >= 0", Describe(m)); - EXPECT_EQ("is an object whose field `field_name` isn't >= 0", - DescribeNegation(m)); -} - -// Tests that Field() can explain the result of matching a pointer. -TEST(FieldForPointerTest, CanExplainMatchResult) { - Matcher<const AStruct*> m = Field(&AStruct::x, Ge(0)); - - AStruct a; - a.x = 1; - EXPECT_EQ("", Explain(m, static_cast<const AStruct*>(nullptr))); - EXPECT_EQ("which points to an object whose given field is 1" + OfType("int"), - Explain(m, &a)); - - m = Field(&AStruct::x, GreaterThan(0)); - EXPECT_EQ("which points to an object whose given field is 1" + OfType("int") + - ", which is 1 more than 0", Explain(m, &a)); -} - -TEST(FieldForPointerTest, CanExplainMatchResultWithFieldName) { - Matcher<const AStruct*> m = Field("field_name", &AStruct::x, Ge(0)); - - AStruct a; - a.x = 1; - EXPECT_EQ("", Explain(m, static_cast<const AStruct*>(nullptr))); - EXPECT_EQ( - "which points to an object whose field `field_name` is 1" + OfType("int"), - Explain(m, &a)); - - m = Field("field_name", &AStruct::x, GreaterThan(0)); - EXPECT_EQ("which points to an object whose field `field_name` is 1" + - OfType("int") + ", which is 1 more than 0", - Explain(m, &a)); -} - -// A user-defined class for testing Property(). -class AClass { - public: - AClass() : n_(0) {} - - // A getter that returns a non-reference. - int n() const { return n_; } - - void set_n(int new_n) { n_ = new_n; } - - // A getter that returns a reference to const. - const std::string& s() const { return s_; } - - const std::string& s_ref() const & { return s_; } - - void set_s(const std::string& new_s) { s_ = new_s; } - - // A getter that returns a reference to non-const. - double& x() const { return x_; } - - private: - int n_; - std::string s_; - - static double x_; -}; - -double AClass::x_ = 0.0; - -// A derived class for testing Property(). -class DerivedClass : public AClass { - public: - int k() const { return k_; } - private: - int k_; -}; - -// Tests that Property(&Foo::property, ...) works when property() -// returns a non-reference. -TEST(PropertyTest, WorksForNonReferenceProperty) { - Matcher<const AClass&> m = Property(&AClass::n, Ge(0)); - Matcher<const AClass&> m_with_name = Property("n", &AClass::n, Ge(0)); - - AClass a; - a.set_n(1); - EXPECT_TRUE(m.Matches(a)); - EXPECT_TRUE(m_with_name.Matches(a)); - - a.set_n(-1); - EXPECT_FALSE(m.Matches(a)); - EXPECT_FALSE(m_with_name.Matches(a)); -} - -// Tests that Property(&Foo::property, ...) works when property() -// returns a reference to const. -TEST(PropertyTest, WorksForReferenceToConstProperty) { - Matcher<const AClass&> m = Property(&AClass::s, StartsWith("hi")); - Matcher<const AClass&> m_with_name = - Property("s", &AClass::s, StartsWith("hi")); - - AClass a; - a.set_s("hill"); - EXPECT_TRUE(m.Matches(a)); - EXPECT_TRUE(m_with_name.Matches(a)); - - a.set_s("hole"); - EXPECT_FALSE(m.Matches(a)); - EXPECT_FALSE(m_with_name.Matches(a)); -} - -// Tests that Property(&Foo::property, ...) works when property() is -// ref-qualified. -TEST(PropertyTest, WorksForRefQualifiedProperty) { - Matcher<const AClass&> m = Property(&AClass::s_ref, StartsWith("hi")); - Matcher<const AClass&> m_with_name = - Property("s", &AClass::s_ref, StartsWith("hi")); - - AClass a; - a.set_s("hill"); - EXPECT_TRUE(m.Matches(a)); - EXPECT_TRUE(m_with_name.Matches(a)); - - a.set_s("hole"); - EXPECT_FALSE(m.Matches(a)); - EXPECT_FALSE(m_with_name.Matches(a)); -} - -// Tests that Property(&Foo::property, ...) works when property() -// returns a reference to non-const. -TEST(PropertyTest, WorksForReferenceToNonConstProperty) { - double x = 0.0; - AClass a; - - Matcher<const AClass&> m = Property(&AClass::x, Ref(x)); - EXPECT_FALSE(m.Matches(a)); - - m = Property(&AClass::x, Not(Ref(x))); - EXPECT_TRUE(m.Matches(a)); -} - -// Tests that Property(&Foo::property, ...) works when the argument is -// passed by value. -TEST(PropertyTest, WorksForByValueArgument) { - Matcher<AClass> m = Property(&AClass::s, StartsWith("hi")); - - AClass a; - a.set_s("hill"); - EXPECT_TRUE(m.Matches(a)); - - a.set_s("hole"); - EXPECT_FALSE(m.Matches(a)); -} - -// Tests that Property(&Foo::property, ...) works when the argument's -// type is a sub-type of Foo. -TEST(PropertyTest, WorksForArgumentOfSubType) { - // The matcher expects a DerivedClass, but inside the Property() we - // say AClass. - Matcher<const DerivedClass&> m = Property(&AClass::n, Ge(0)); - - DerivedClass d; - d.set_n(1); - EXPECT_TRUE(m.Matches(d)); - - d.set_n(-1); - EXPECT_FALSE(m.Matches(d)); -} - -// Tests that Property(&Foo::property, m) works when property()'s type -// and m's argument type are compatible but different. -TEST(PropertyTest, WorksForCompatibleMatcherType) { - // n() returns an int but the inner matcher expects a signed char. - Matcher<const AClass&> m = Property(&AClass::n, - Matcher<signed char>(Ge(0))); - - Matcher<const AClass&> m_with_name = - Property("n", &AClass::n, Matcher<signed char>(Ge(0))); - - AClass a; - EXPECT_TRUE(m.Matches(a)); - EXPECT_TRUE(m_with_name.Matches(a)); - a.set_n(-1); - EXPECT_FALSE(m.Matches(a)); - EXPECT_FALSE(m_with_name.Matches(a)); -} - -// Tests that Property() can describe itself. -TEST(PropertyTest, CanDescribeSelf) { - Matcher<const AClass&> m = Property(&AClass::n, Ge(0)); - - EXPECT_EQ("is an object whose given property is >= 0", Describe(m)); - EXPECT_EQ("is an object whose given property isn't >= 0", - DescribeNegation(m)); -} - -TEST(PropertyTest, CanDescribeSelfWithPropertyName) { - Matcher<const AClass&> m = Property("fancy_name", &AClass::n, Ge(0)); - - EXPECT_EQ("is an object whose property `fancy_name` is >= 0", Describe(m)); - EXPECT_EQ("is an object whose property `fancy_name` isn't >= 0", - DescribeNegation(m)); -} - -// Tests that Property() can explain the match result. -TEST(PropertyTest, CanExplainMatchResult) { - Matcher<const AClass&> m = Property(&AClass::n, Ge(0)); - - AClass a; - a.set_n(1); - EXPECT_EQ("whose given property is 1" + OfType("int"), Explain(m, a)); - - m = Property(&AClass::n, GreaterThan(0)); - EXPECT_EQ( - "whose given property is 1" + OfType("int") + ", which is 1 more than 0", - Explain(m, a)); -} - -TEST(PropertyTest, CanExplainMatchResultWithPropertyName) { - Matcher<const AClass&> m = Property("fancy_name", &AClass::n, Ge(0)); - - AClass a; - a.set_n(1); - EXPECT_EQ("whose property `fancy_name` is 1" + OfType("int"), Explain(m, a)); - - m = Property("fancy_name", &AClass::n, GreaterThan(0)); - EXPECT_EQ("whose property `fancy_name` is 1" + OfType("int") + - ", which is 1 more than 0", - Explain(m, a)); -} - -// Tests that Property() works when the argument is a pointer to const. -TEST(PropertyForPointerTest, WorksForPointerToConst) { - Matcher<const AClass*> m = Property(&AClass::n, Ge(0)); - - AClass a; - a.set_n(1); - EXPECT_TRUE(m.Matches(&a)); - - a.set_n(-1); - EXPECT_FALSE(m.Matches(&a)); -} - -// Tests that Property() works when the argument is a pointer to non-const. -TEST(PropertyForPointerTest, WorksForPointerToNonConst) { - Matcher<AClass*> m = Property(&AClass::s, StartsWith("hi")); - - AClass a; - a.set_s("hill"); - EXPECT_TRUE(m.Matches(&a)); - - a.set_s("hole"); - EXPECT_FALSE(m.Matches(&a)); -} - -// Tests that Property() works when the argument is a reference to a -// const pointer. -TEST(PropertyForPointerTest, WorksForReferenceToConstPointer) { - Matcher<AClass* const&> m = Property(&AClass::s, StartsWith("hi")); - - AClass a; - a.set_s("hill"); - EXPECT_TRUE(m.Matches(&a)); - - a.set_s("hole"); - EXPECT_FALSE(m.Matches(&a)); -} - -// Tests that Property() does not match the NULL pointer. -TEST(PropertyForPointerTest, WorksForReferenceToNonConstProperty) { - Matcher<const AClass*> m = Property(&AClass::x, _); - EXPECT_FALSE(m.Matches(nullptr)); -} - -// Tests that Property(&Foo::property, ...) works when the argument's -// type is a sub-type of const Foo*. -TEST(PropertyForPointerTest, WorksForArgumentOfSubType) { - // The matcher expects a DerivedClass, but inside the Property() we - // say AClass. - Matcher<const DerivedClass*> m = Property(&AClass::n, Ge(0)); - - DerivedClass d; - d.set_n(1); - EXPECT_TRUE(m.Matches(&d)); - - d.set_n(-1); - EXPECT_FALSE(m.Matches(&d)); -} - -// Tests that Property() can describe itself when used to match a pointer. -TEST(PropertyForPointerTest, CanDescribeSelf) { - Matcher<const AClass*> m = Property(&AClass::n, Ge(0)); - - EXPECT_EQ("is an object whose given property is >= 0", Describe(m)); - EXPECT_EQ("is an object whose given property isn't >= 0", - DescribeNegation(m)); -} - -TEST(PropertyForPointerTest, CanDescribeSelfWithPropertyDescription) { - Matcher<const AClass*> m = Property("fancy_name", &AClass::n, Ge(0)); - - EXPECT_EQ("is an object whose property `fancy_name` is >= 0", Describe(m)); - EXPECT_EQ("is an object whose property `fancy_name` isn't >= 0", - DescribeNegation(m)); -} - -// Tests that Property() can explain the result of matching a pointer. -TEST(PropertyForPointerTest, CanExplainMatchResult) { - Matcher<const AClass*> m = Property(&AClass::n, Ge(0)); - - AClass a; - a.set_n(1); - EXPECT_EQ("", Explain(m, static_cast<const AClass*>(nullptr))); - EXPECT_EQ( - "which points to an object whose given property is 1" + OfType("int"), - Explain(m, &a)); - - m = Property(&AClass::n, GreaterThan(0)); - EXPECT_EQ("which points to an object whose given property is 1" + - OfType("int") + ", which is 1 more than 0", - Explain(m, &a)); -} - -TEST(PropertyForPointerTest, CanExplainMatchResultWithPropertyName) { - Matcher<const AClass*> m = Property("fancy_name", &AClass::n, Ge(0)); - - AClass a; - a.set_n(1); - EXPECT_EQ("", Explain(m, static_cast<const AClass*>(nullptr))); - EXPECT_EQ("which points to an object whose property `fancy_name` is 1" + - OfType("int"), - Explain(m, &a)); - - m = Property("fancy_name", &AClass::n, GreaterThan(0)); - EXPECT_EQ("which points to an object whose property `fancy_name` is 1" + - OfType("int") + ", which is 1 more than 0", - Explain(m, &a)); -} - -// Tests ResultOf. - -// Tests that ResultOf(f, ...) compiles and works as expected when f is a -// function pointer. -std::string IntToStringFunction(int input) { - return input == 1 ? "foo" : "bar"; -} - -TEST(ResultOfTest, WorksForFunctionPointers) { - Matcher<int> matcher = ResultOf(&IntToStringFunction, Eq(std::string("foo"))); - - EXPECT_TRUE(matcher.Matches(1)); - EXPECT_FALSE(matcher.Matches(2)); -} - -// Tests that ResultOf() can describe itself. -TEST(ResultOfTest, CanDescribeItself) { - Matcher<int> matcher = ResultOf(&IntToStringFunction, StrEq("foo")); - - EXPECT_EQ("is mapped by the given callable to a value that " - "is equal to \"foo\"", Describe(matcher)); - EXPECT_EQ("is mapped by the given callable to a value that " - "isn't equal to \"foo\"", DescribeNegation(matcher)); -} - -// Tests that ResultOf() can explain the match result. -int IntFunction(int input) { return input == 42 ? 80 : 90; } - -TEST(ResultOfTest, CanExplainMatchResult) { - Matcher<int> matcher = ResultOf(&IntFunction, Ge(85)); - EXPECT_EQ("which is mapped by the given callable to 90" + OfType("int"), - Explain(matcher, 36)); - - matcher = ResultOf(&IntFunction, GreaterThan(85)); - EXPECT_EQ("which is mapped by the given callable to 90" + OfType("int") + - ", which is 5 more than 85", Explain(matcher, 36)); -} - -// Tests that ResultOf(f, ...) compiles and works as expected when f(x) -// returns a non-reference. -TEST(ResultOfTest, WorksForNonReferenceResults) { - Matcher<int> matcher = ResultOf(&IntFunction, Eq(80)); - - EXPECT_TRUE(matcher.Matches(42)); - EXPECT_FALSE(matcher.Matches(36)); -} - -// Tests that ResultOf(f, ...) compiles and works as expected when f(x) -// returns a reference to non-const. -double& DoubleFunction(double& input) { return input; } // NOLINT - -Uncopyable& RefUncopyableFunction(Uncopyable& obj) { // NOLINT - return obj; -} - -TEST(ResultOfTest, WorksForReferenceToNonConstResults) { - double x = 3.14; - double x2 = x; - Matcher<double&> matcher = ResultOf(&DoubleFunction, Ref(x)); - - EXPECT_TRUE(matcher.Matches(x)); - EXPECT_FALSE(matcher.Matches(x2)); - - // Test that ResultOf works with uncopyable objects - Uncopyable obj(0); - Uncopyable obj2(0); - Matcher<Uncopyable&> matcher2 = - ResultOf(&RefUncopyableFunction, Ref(obj)); - - EXPECT_TRUE(matcher2.Matches(obj)); - EXPECT_FALSE(matcher2.Matches(obj2)); -} - -// Tests that ResultOf(f, ...) compiles and works as expected when f(x) -// returns a reference to const. -const std::string& StringFunction(const std::string& input) { return input; } - -TEST(ResultOfTest, WorksForReferenceToConstResults) { - std::string s = "foo"; - std::string s2 = s; - Matcher<const std::string&> matcher = ResultOf(&StringFunction, Ref(s)); - - EXPECT_TRUE(matcher.Matches(s)); - EXPECT_FALSE(matcher.Matches(s2)); -} - -// Tests that ResultOf(f, m) works when f(x) and m's -// argument types are compatible but different. -TEST(ResultOfTest, WorksForCompatibleMatcherTypes) { - // IntFunction() returns int but the inner matcher expects a signed char. - Matcher<int> matcher = ResultOf(IntFunction, Matcher<signed char>(Ge(85))); - - EXPECT_TRUE(matcher.Matches(36)); - EXPECT_FALSE(matcher.Matches(42)); -} - -// Tests that the program aborts when ResultOf is passed -// a NULL function pointer. -TEST(ResultOfDeathTest, DiesOnNullFunctionPointers) { - EXPECT_DEATH_IF_SUPPORTED( - ResultOf(static_cast<std::string (*)(int dummy)>(nullptr), - Eq(std::string("foo"))), - "NULL function pointer is passed into ResultOf\\(\\)\\."); -} - -// Tests that ResultOf(f, ...) compiles and works as expected when f is a -// function reference. -TEST(ResultOfTest, WorksForFunctionReferences) { - Matcher<int> matcher = ResultOf(IntToStringFunction, StrEq("foo")); - EXPECT_TRUE(matcher.Matches(1)); - EXPECT_FALSE(matcher.Matches(2)); -} - -// Tests that ResultOf(f, ...) compiles and works as expected when f is a -// function object. -struct Functor { - std::string operator()(int input) const { - return IntToStringFunction(input); - } -}; - -TEST(ResultOfTest, WorksForFunctors) { - Matcher<int> matcher = ResultOf(Functor(), Eq(std::string("foo"))); - - EXPECT_TRUE(matcher.Matches(1)); - EXPECT_FALSE(matcher.Matches(2)); -} - -// Tests that ResultOf(f, ...) compiles and works as expected when f is a -// functor with more than one operator() defined. ResultOf() must work -// for each defined operator(). -struct PolymorphicFunctor { - typedef int result_type; - int operator()(int n) { return n; } - int operator()(const char* s) { return static_cast<int>(strlen(s)); } - std::string operator()(int *p) { return p ? "good ptr" : "null"; } -}; - -TEST(ResultOfTest, WorksForPolymorphicFunctors) { - Matcher<int> matcher_int = ResultOf(PolymorphicFunctor(), Ge(5)); - - EXPECT_TRUE(matcher_int.Matches(10)); - EXPECT_FALSE(matcher_int.Matches(2)); - - Matcher<const char*> matcher_string = ResultOf(PolymorphicFunctor(), Ge(5)); - - EXPECT_TRUE(matcher_string.Matches("long string")); - EXPECT_FALSE(matcher_string.Matches("shrt")); -} - -TEST(ResultOfTest, WorksForPolymorphicFunctorsIgnoringResultType) { - Matcher<int*> matcher = ResultOf(PolymorphicFunctor(), "good ptr"); - - int n = 0; - EXPECT_TRUE(matcher.Matches(&n)); - EXPECT_FALSE(matcher.Matches(nullptr)); -} - -TEST(ResultOfTest, WorksForLambdas) { - Matcher<int> matcher = ResultOf( - [](int str_len) { - return std::string(static_cast<size_t>(str_len), 'x'); - }, - "xxx"); - EXPECT_TRUE(matcher.Matches(3)); - EXPECT_FALSE(matcher.Matches(1)); -} - -TEST(ResultOfTest, WorksForNonCopyableArguments) { - Matcher<std::unique_ptr<int>> matcher = ResultOf( - [](const std::unique_ptr<int>& str_len) { - return std::string(static_cast<size_t>(*str_len), 'x'); - }, - "xxx"); - EXPECT_TRUE(matcher.Matches(std::unique_ptr<int>(new int(3)))); - EXPECT_FALSE(matcher.Matches(std::unique_ptr<int>(new int(1)))); -} - -const int* ReferencingFunction(const int& n) { return &n; } - -struct ReferencingFunctor { - typedef const int* result_type; - result_type operator()(const int& n) { return &n; } -}; - -TEST(ResultOfTest, WorksForReferencingCallables) { - const int n = 1; - const int n2 = 1; - Matcher<const int&> matcher2 = ResultOf(ReferencingFunction, Eq(&n)); - EXPECT_TRUE(matcher2.Matches(n)); - EXPECT_FALSE(matcher2.Matches(n2)); - - Matcher<const int&> matcher3 = ResultOf(ReferencingFunctor(), Eq(&n)); - EXPECT_TRUE(matcher3.Matches(n)); - EXPECT_FALSE(matcher3.Matches(n2)); -} - -class DivisibleByImpl { - public: - explicit DivisibleByImpl(int a_divider) : divider_(a_divider) {} - - // For testing using ExplainMatchResultTo() with polymorphic matchers. - template <typename T> - bool MatchAndExplain(const T& n, MatchResultListener* listener) const { - *listener << "which is " << (n % divider_) << " modulo " - << divider_; - return (n % divider_) == 0; - } - - void DescribeTo(ostream* os) const { - *os << "is divisible by " << divider_; - } - - void DescribeNegationTo(ostream* os) const { - *os << "is not divisible by " << divider_; - } - - void set_divider(int a_divider) { divider_ = a_divider; } - int divider() const { return divider_; } - - private: - int divider_; -}; - -PolymorphicMatcher<DivisibleByImpl> DivisibleBy(int n) { - return MakePolymorphicMatcher(DivisibleByImpl(n)); -} - -// Tests that when AllOf() fails, only the first failing matcher is -// asked to explain why. -TEST(ExplainMatchResultTest, AllOf_False_False) { - const Matcher<int> m = AllOf(DivisibleBy(4), DivisibleBy(3)); - EXPECT_EQ("which is 1 modulo 4", Explain(m, 5)); -} - -// Tests that when AllOf() fails, only the first failing matcher is -// asked to explain why. -TEST(ExplainMatchResultTest, AllOf_False_True) { - const Matcher<int> m = AllOf(DivisibleBy(4), DivisibleBy(3)); - EXPECT_EQ("which is 2 modulo 4", Explain(m, 6)); -} - -// Tests that when AllOf() fails, only the first failing matcher is -// asked to explain why. -TEST(ExplainMatchResultTest, AllOf_True_False) { - const Matcher<int> m = AllOf(Ge(1), DivisibleBy(3)); - EXPECT_EQ("which is 2 modulo 3", Explain(m, 5)); -} - -// Tests that when AllOf() succeeds, all matchers are asked to explain -// why. -TEST(ExplainMatchResultTest, AllOf_True_True) { - const Matcher<int> m = AllOf(DivisibleBy(2), DivisibleBy(3)); - EXPECT_EQ("which is 0 modulo 2, and which is 0 modulo 3", Explain(m, 6)); -} - -TEST(ExplainMatchResultTest, AllOf_True_True_2) { - const Matcher<int> m = AllOf(Ge(2), Le(3)); - EXPECT_EQ("", Explain(m, 2)); -} - -TEST(ExplainmatcherResultTest, MonomorphicMatcher) { - const Matcher<int> m = GreaterThan(5); - EXPECT_EQ("which is 1 more than 5", Explain(m, 6)); -} - -// The following two tests verify that values without a public copy -// ctor can be used as arguments to matchers like Eq(), Ge(), and etc -// with the help of ByRef(). - -class NotCopyable { - public: - explicit NotCopyable(int a_value) : value_(a_value) {} - - int value() const { return value_; } - - bool operator==(const NotCopyable& rhs) const { - return value() == rhs.value(); - } - - bool operator>=(const NotCopyable& rhs) const { - return value() >= rhs.value(); - } - private: - int value_; - - GTEST_DISALLOW_COPY_AND_ASSIGN_(NotCopyable); -}; - -TEST(ByRefTest, AllowsNotCopyableConstValueInMatchers) { - const NotCopyable const_value1(1); - const Matcher<const NotCopyable&> m = Eq(ByRef(const_value1)); - - const NotCopyable n1(1), n2(2); - EXPECT_TRUE(m.Matches(n1)); - EXPECT_FALSE(m.Matches(n2)); -} - -TEST(ByRefTest, AllowsNotCopyableValueInMatchers) { - NotCopyable value2(2); - const Matcher<NotCopyable&> m = Ge(ByRef(value2)); - - NotCopyable n1(1), n2(2); - EXPECT_FALSE(m.Matches(n1)); - EXPECT_TRUE(m.Matches(n2)); -} - -TEST(IsEmptyTest, ImplementsIsEmpty) { - vector<int> container; - EXPECT_THAT(container, IsEmpty()); - container.push_back(0); - EXPECT_THAT(container, Not(IsEmpty())); - container.push_back(1); - EXPECT_THAT(container, Not(IsEmpty())); -} - -TEST(IsEmptyTest, WorksWithString) { - std::string text; - EXPECT_THAT(text, IsEmpty()); - text = "foo"; - EXPECT_THAT(text, Not(IsEmpty())); - text = std::string("\0", 1); - EXPECT_THAT(text, Not(IsEmpty())); -} - -TEST(IsEmptyTest, CanDescribeSelf) { - Matcher<vector<int> > m = IsEmpty(); - EXPECT_EQ("is empty", Describe(m)); - EXPECT_EQ("isn't empty", DescribeNegation(m)); -} - -TEST(IsEmptyTest, ExplainsResult) { - Matcher<vector<int> > m = IsEmpty(); - vector<int> container; - EXPECT_EQ("", Explain(m, container)); - container.push_back(0); - EXPECT_EQ("whose size is 1", Explain(m, container)); -} - -TEST(IsEmptyTest, WorksWithMoveOnly) { - ContainerHelper helper; - EXPECT_CALL(helper, Call(IsEmpty())); - helper.Call({}); -} - -TEST(IsTrueTest, IsTrueIsFalse) { - EXPECT_THAT(true, IsTrue()); - EXPECT_THAT(false, IsFalse()); - EXPECT_THAT(true, Not(IsFalse())); - EXPECT_THAT(false, Not(IsTrue())); - EXPECT_THAT(0, Not(IsTrue())); - EXPECT_THAT(0, IsFalse()); - EXPECT_THAT(nullptr, Not(IsTrue())); - EXPECT_THAT(nullptr, IsFalse()); - EXPECT_THAT(-1, IsTrue()); - EXPECT_THAT(-1, Not(IsFalse())); - EXPECT_THAT(1, IsTrue()); - EXPECT_THAT(1, Not(IsFalse())); - EXPECT_THAT(2, IsTrue()); - EXPECT_THAT(2, Not(IsFalse())); - int a = 42; - EXPECT_THAT(a, IsTrue()); - EXPECT_THAT(a, Not(IsFalse())); - EXPECT_THAT(&a, IsTrue()); - EXPECT_THAT(&a, Not(IsFalse())); - EXPECT_THAT(false, Not(IsTrue())); - EXPECT_THAT(true, Not(IsFalse())); - EXPECT_THAT(std::true_type(), IsTrue()); - EXPECT_THAT(std::true_type(), Not(IsFalse())); - EXPECT_THAT(std::false_type(), IsFalse()); - EXPECT_THAT(std::false_type(), Not(IsTrue())); - EXPECT_THAT(nullptr, Not(IsTrue())); - EXPECT_THAT(nullptr, IsFalse()); - std::unique_ptr<int> null_unique; - std::unique_ptr<int> nonnull_unique(new int(0)); - EXPECT_THAT(null_unique, Not(IsTrue())); - EXPECT_THAT(null_unique, IsFalse()); - EXPECT_THAT(nonnull_unique, IsTrue()); - EXPECT_THAT(nonnull_unique, Not(IsFalse())); -} - -TEST(SizeIsTest, ImplementsSizeIs) { - vector<int> container; - EXPECT_THAT(container, SizeIs(0)); - EXPECT_THAT(container, Not(SizeIs(1))); - container.push_back(0); - EXPECT_THAT(container, Not(SizeIs(0))); - EXPECT_THAT(container, SizeIs(1)); - container.push_back(0); - EXPECT_THAT(container, Not(SizeIs(0))); - EXPECT_THAT(container, SizeIs(2)); -} - -TEST(SizeIsTest, WorksWithMap) { - map<std::string, int> container; - EXPECT_THAT(container, SizeIs(0)); - EXPECT_THAT(container, Not(SizeIs(1))); - container.insert(make_pair("foo", 1)); - EXPECT_THAT(container, Not(SizeIs(0))); - EXPECT_THAT(container, SizeIs(1)); - container.insert(make_pair("bar", 2)); - EXPECT_THAT(container, Not(SizeIs(0))); - EXPECT_THAT(container, SizeIs(2)); -} - -TEST(SizeIsTest, WorksWithReferences) { - vector<int> container; - Matcher<const vector<int>&> m = SizeIs(1); - EXPECT_THAT(container, Not(m)); - container.push_back(0); - EXPECT_THAT(container, m); -} - -TEST(SizeIsTest, WorksWithMoveOnly) { - ContainerHelper helper; - EXPECT_CALL(helper, Call(SizeIs(3))); - helper.Call(MakeUniquePtrs({1, 2, 3})); -} - -// SizeIs should work for any type that provides a size() member function. -// For example, a size_type member type should not need to be provided. -struct MinimalistCustomType { - int size() const { return 1; } -}; -TEST(SizeIsTest, WorksWithMinimalistCustomType) { - MinimalistCustomType container; - EXPECT_THAT(container, SizeIs(1)); - EXPECT_THAT(container, Not(SizeIs(0))); -} - -TEST(SizeIsTest, CanDescribeSelf) { - Matcher<vector<int> > m = SizeIs(2); - EXPECT_EQ("size is equal to 2", Describe(m)); - EXPECT_EQ("size isn't equal to 2", DescribeNegation(m)); -} - -TEST(SizeIsTest, ExplainsResult) { - Matcher<vector<int> > m1 = SizeIs(2); - Matcher<vector<int> > m2 = SizeIs(Lt(2u)); - Matcher<vector<int> > m3 = SizeIs(AnyOf(0, 3)); - Matcher<vector<int> > m4 = SizeIs(GreaterThan(1)); - vector<int> container; - EXPECT_EQ("whose size 0 doesn't match", Explain(m1, container)); - EXPECT_EQ("whose size 0 matches", Explain(m2, container)); - EXPECT_EQ("whose size 0 matches", Explain(m3, container)); - EXPECT_EQ("whose size 0 doesn't match, which is 1 less than 1", - Explain(m4, container)); - container.push_back(0); - container.push_back(0); - EXPECT_EQ("whose size 2 matches", Explain(m1, container)); - EXPECT_EQ("whose size 2 doesn't match", Explain(m2, container)); - EXPECT_EQ("whose size 2 doesn't match", Explain(m3, container)); - EXPECT_EQ("whose size 2 matches, which is 1 more than 1", - Explain(m4, container)); -} - -#if GTEST_HAS_TYPED_TEST -// Tests ContainerEq with different container types, and -// different element types. - -template <typename T> -class ContainerEqTest : public testing::Test {}; - -typedef testing::Types< - set<int>, - vector<size_t>, - multiset<size_t>, - list<int> > - ContainerEqTestTypes; - -TYPED_TEST_SUITE(ContainerEqTest, ContainerEqTestTypes); - -// Tests that the filled container is equal to itself. -TYPED_TEST(ContainerEqTest, EqualsSelf) { - static const int vals[] = {1, 1, 2, 3, 5, 8}; - TypeParam my_set(vals, vals + 6); - const Matcher<TypeParam> m = ContainerEq(my_set); - EXPECT_TRUE(m.Matches(my_set)); - EXPECT_EQ("", Explain(m, my_set)); -} - -// Tests that missing values are reported. -TYPED_TEST(ContainerEqTest, ValueMissing) { - static const int vals[] = {1, 1, 2, 3, 5, 8}; - static const int test_vals[] = {2, 1, 8, 5}; - TypeParam my_set(vals, vals + 6); - TypeParam test_set(test_vals, test_vals + 4); - const Matcher<TypeParam> m = ContainerEq(my_set); - EXPECT_FALSE(m.Matches(test_set)); - EXPECT_EQ("which doesn't have these expected elements: 3", - Explain(m, test_set)); -} - -// Tests that added values are reported. -TYPED_TEST(ContainerEqTest, ValueAdded) { - static const int vals[] = {1, 1, 2, 3, 5, 8}; - static const int test_vals[] = {1, 2, 3, 5, 8, 46}; - TypeParam my_set(vals, vals + 6); - TypeParam test_set(test_vals, test_vals + 6); - const Matcher<const TypeParam&> m = ContainerEq(my_set); - EXPECT_FALSE(m.Matches(test_set)); - EXPECT_EQ("which has these unexpected elements: 46", Explain(m, test_set)); -} - -// Tests that added and missing values are reported together. -TYPED_TEST(ContainerEqTest, ValueAddedAndRemoved) { - static const int vals[] = {1, 1, 2, 3, 5, 8}; - static const int test_vals[] = {1, 2, 3, 8, 46}; - TypeParam my_set(vals, vals + 6); - TypeParam test_set(test_vals, test_vals + 5); - const Matcher<TypeParam> m = ContainerEq(my_set); - EXPECT_FALSE(m.Matches(test_set)); - EXPECT_EQ("which has these unexpected elements: 46,\n" - "and doesn't have these expected elements: 5", - Explain(m, test_set)); -} - -// Tests duplicated value -- expect no explanation. -TYPED_TEST(ContainerEqTest, DuplicateDifference) { - static const int vals[] = {1, 1, 2, 3, 5, 8}; - static const int test_vals[] = {1, 2, 3, 5, 8}; - TypeParam my_set(vals, vals + 6); - TypeParam test_set(test_vals, test_vals + 5); - const Matcher<const TypeParam&> m = ContainerEq(my_set); - // Depending on the container, match may be true or false - // But in any case there should be no explanation. - EXPECT_EQ("", Explain(m, test_set)); -} -#endif // GTEST_HAS_TYPED_TEST - -// Tests that multiple missing values are reported. -// Using just vector here, so order is predictable. -TEST(ContainerEqExtraTest, MultipleValuesMissing) { - static const int vals[] = {1, 1, 2, 3, 5, 8}; - static const int test_vals[] = {2, 1, 5}; - vector<int> my_set(vals, vals + 6); - vector<int> test_set(test_vals, test_vals + 3); - const Matcher<vector<int> > m = ContainerEq(my_set); - EXPECT_FALSE(m.Matches(test_set)); - EXPECT_EQ("which doesn't have these expected elements: 3, 8", - Explain(m, test_set)); -} - -// Tests that added values are reported. -// Using just vector here, so order is predictable. -TEST(ContainerEqExtraTest, MultipleValuesAdded) { - static const int vals[] = {1, 1, 2, 3, 5, 8}; - static const int test_vals[] = {1, 2, 92, 3, 5, 8, 46}; - list<size_t> my_set(vals, vals + 6); - list<size_t> test_set(test_vals, test_vals + 7); - const Matcher<const list<size_t>&> m = ContainerEq(my_set); - EXPECT_FALSE(m.Matches(test_set)); - EXPECT_EQ("which has these unexpected elements: 92, 46", - Explain(m, test_set)); -} - -// Tests that added and missing values are reported together. -TEST(ContainerEqExtraTest, MultipleValuesAddedAndRemoved) { - static const int vals[] = {1, 1, 2, 3, 5, 8}; - static const int test_vals[] = {1, 2, 3, 92, 46}; - list<size_t> my_set(vals, vals + 6); - list<size_t> test_set(test_vals, test_vals + 5); - const Matcher<const list<size_t> > m = ContainerEq(my_set); - EXPECT_FALSE(m.Matches(test_set)); - EXPECT_EQ("which has these unexpected elements: 92, 46,\n" - "and doesn't have these expected elements: 5, 8", - Explain(m, test_set)); -} - -// Tests to see that duplicate elements are detected, -// but (as above) not reported in the explanation. -TEST(ContainerEqExtraTest, MultiSetOfIntDuplicateDifference) { - static const int vals[] = {1, 1, 2, 3, 5, 8}; - static const int test_vals[] = {1, 2, 3, 5, 8}; - vector<int> my_set(vals, vals + 6); - vector<int> test_set(test_vals, test_vals + 5); - const Matcher<vector<int> > m = ContainerEq(my_set); - EXPECT_TRUE(m.Matches(my_set)); - EXPECT_FALSE(m.Matches(test_set)); - // There is nothing to report when both sets contain all the same values. - EXPECT_EQ("", Explain(m, test_set)); -} - -// Tests that ContainerEq works for non-trivial associative containers, -// like maps. -TEST(ContainerEqExtraTest, WorksForMaps) { - map<int, std::string> my_map; - my_map[0] = "a"; - my_map[1] = "b"; - - map<int, std::string> test_map; - test_map[0] = "aa"; - test_map[1] = "b"; - - const Matcher<const map<int, std::string>&> m = ContainerEq(my_map); - EXPECT_TRUE(m.Matches(my_map)); - EXPECT_FALSE(m.Matches(test_map)); - - EXPECT_EQ("which has these unexpected elements: (0, \"aa\"),\n" - "and doesn't have these expected elements: (0, \"a\")", - Explain(m, test_map)); -} - -TEST(ContainerEqExtraTest, WorksForNativeArray) { - int a1[] = {1, 2, 3}; - int a2[] = {1, 2, 3}; - int b[] = {1, 2, 4}; - - EXPECT_THAT(a1, ContainerEq(a2)); - EXPECT_THAT(a1, Not(ContainerEq(b))); -} - -TEST(ContainerEqExtraTest, WorksForTwoDimensionalNativeArray) { - const char a1[][3] = {"hi", "lo"}; - const char a2[][3] = {"hi", "lo"}; - const char b[][3] = {"lo", "hi"}; - - // Tests using ContainerEq() in the first dimension. - EXPECT_THAT(a1, ContainerEq(a2)); - EXPECT_THAT(a1, Not(ContainerEq(b))); - - // Tests using ContainerEq() in the second dimension. - EXPECT_THAT(a1, ElementsAre(ContainerEq(a2[0]), ContainerEq(a2[1]))); - EXPECT_THAT(a1, ElementsAre(Not(ContainerEq(b[0])), ContainerEq(a2[1]))); -} - -TEST(ContainerEqExtraTest, WorksForNativeArrayAsTuple) { - const int a1[] = {1, 2, 3}; - const int a2[] = {1, 2, 3}; - const int b[] = {1, 2, 3, 4}; - - const int* const p1 = a1; - EXPECT_THAT(std::make_tuple(p1, 3), ContainerEq(a2)); - EXPECT_THAT(std::make_tuple(p1, 3), Not(ContainerEq(b))); - - const int c[] = {1, 3, 2}; - EXPECT_THAT(std::make_tuple(p1, 3), Not(ContainerEq(c))); -} - -TEST(ContainerEqExtraTest, CopiesNativeArrayParameter) { - std::string a1[][3] = { - {"hi", "hello", "ciao"}, - {"bye", "see you", "ciao"} - }; - - std::string a2[][3] = { - {"hi", "hello", "ciao"}, - {"bye", "see you", "ciao"} - }; - - const Matcher<const std::string(&)[2][3]> m = ContainerEq(a2); - EXPECT_THAT(a1, m); - - a2[0][0] = "ha"; - EXPECT_THAT(a1, m); -} - -TEST(WhenSortedByTest, WorksForEmptyContainer) { - const vector<int> numbers; - EXPECT_THAT(numbers, WhenSortedBy(less<int>(), ElementsAre())); - EXPECT_THAT(numbers, Not(WhenSortedBy(less<int>(), ElementsAre(1)))); -} - -TEST(WhenSortedByTest, WorksForNonEmptyContainer) { - vector<unsigned> numbers; - numbers.push_back(3); - numbers.push_back(1); - numbers.push_back(2); - numbers.push_back(2); - EXPECT_THAT(numbers, WhenSortedBy(greater<unsigned>(), - ElementsAre(3, 2, 2, 1))); - EXPECT_THAT(numbers, Not(WhenSortedBy(greater<unsigned>(), - ElementsAre(1, 2, 2, 3)))); -} - -TEST(WhenSortedByTest, WorksForNonVectorContainer) { - list<std::string> words; - words.push_back("say"); - words.push_back("hello"); - words.push_back("world"); - EXPECT_THAT(words, WhenSortedBy(less<std::string>(), - ElementsAre("hello", "say", "world"))); - EXPECT_THAT(words, Not(WhenSortedBy(less<std::string>(), - ElementsAre("say", "hello", "world")))); -} - -TEST(WhenSortedByTest, WorksForNativeArray) { - const int numbers[] = {1, 3, 2, 4}; - const int sorted_numbers[] = {1, 2, 3, 4}; - EXPECT_THAT(numbers, WhenSortedBy(less<int>(), ElementsAre(1, 2, 3, 4))); - EXPECT_THAT(numbers, WhenSortedBy(less<int>(), - ElementsAreArray(sorted_numbers))); - EXPECT_THAT(numbers, Not(WhenSortedBy(less<int>(), ElementsAre(1, 3, 2, 4)))); -} - -TEST(WhenSortedByTest, CanDescribeSelf) { - const Matcher<vector<int> > m = WhenSortedBy(less<int>(), ElementsAre(1, 2)); - EXPECT_EQ("(when sorted) has 2 elements where\n" - "element #0 is equal to 1,\n" - "element #1 is equal to 2", - Describe(m)); - EXPECT_EQ("(when sorted) doesn't have 2 elements, or\n" - "element #0 isn't equal to 1, or\n" - "element #1 isn't equal to 2", - DescribeNegation(m)); -} - -TEST(WhenSortedByTest, ExplainsMatchResult) { - const int a[] = {2, 1}; - EXPECT_EQ("which is { 1, 2 } when sorted, whose element #0 doesn't match", - Explain(WhenSortedBy(less<int>(), ElementsAre(2, 3)), a)); - EXPECT_EQ("which is { 1, 2 } when sorted", - Explain(WhenSortedBy(less<int>(), ElementsAre(1, 2)), a)); -} - -// WhenSorted() is a simple wrapper on WhenSortedBy(). Hence we don't -// need to test it as exhaustively as we test the latter. - -TEST(WhenSortedTest, WorksForEmptyContainer) { - const vector<int> numbers; - EXPECT_THAT(numbers, WhenSorted(ElementsAre())); - EXPECT_THAT(numbers, Not(WhenSorted(ElementsAre(1)))); -} - -TEST(WhenSortedTest, WorksForNonEmptyContainer) { - list<std::string> words; - words.push_back("3"); - words.push_back("1"); - words.push_back("2"); - words.push_back("2"); - EXPECT_THAT(words, WhenSorted(ElementsAre("1", "2", "2", "3"))); - EXPECT_THAT(words, Not(WhenSorted(ElementsAre("3", "1", "2", "2")))); -} - -TEST(WhenSortedTest, WorksForMapTypes) { - map<std::string, int> word_counts; - word_counts["and"] = 1; - word_counts["the"] = 1; - word_counts["buffalo"] = 2; - EXPECT_THAT(word_counts, - WhenSorted(ElementsAre(Pair("and", 1), Pair("buffalo", 2), - Pair("the", 1)))); - EXPECT_THAT(word_counts, - Not(WhenSorted(ElementsAre(Pair("and", 1), Pair("the", 1), - Pair("buffalo", 2))))); -} - -TEST(WhenSortedTest, WorksForMultiMapTypes) { - multimap<int, int> ifib; - ifib.insert(make_pair(8, 6)); - ifib.insert(make_pair(2, 3)); - ifib.insert(make_pair(1, 1)); - ifib.insert(make_pair(3, 4)); - ifib.insert(make_pair(1, 2)); - ifib.insert(make_pair(5, 5)); - EXPECT_THAT(ifib, WhenSorted(ElementsAre(Pair(1, 1), - Pair(1, 2), - Pair(2, 3), - Pair(3, 4), - Pair(5, 5), - Pair(8, 6)))); - EXPECT_THAT(ifib, Not(WhenSorted(ElementsAre(Pair(8, 6), - Pair(2, 3), - Pair(1, 1), - Pair(3, 4), - Pair(1, 2), - Pair(5, 5))))); -} - -TEST(WhenSortedTest, WorksForPolymorphicMatcher) { - std::deque<int> d; - d.push_back(2); - d.push_back(1); - EXPECT_THAT(d, WhenSorted(ElementsAre(1, 2))); - EXPECT_THAT(d, Not(WhenSorted(ElementsAre(2, 1)))); -} - -TEST(WhenSortedTest, WorksForVectorConstRefMatcher) { - std::deque<int> d; - d.push_back(2); - d.push_back(1); - Matcher<const std::vector<int>&> vector_match = ElementsAre(1, 2); - EXPECT_THAT(d, WhenSorted(vector_match)); - Matcher<const std::vector<int>&> not_vector_match = ElementsAre(2, 1); - EXPECT_THAT(d, Not(WhenSorted(not_vector_match))); -} - -// Deliberately bare pseudo-container. -// Offers only begin() and end() accessors, yielding InputIterator. -template <typename T> -class Streamlike { - private: - class ConstIter; - public: - typedef ConstIter const_iterator; - typedef T value_type; - - template <typename InIter> - Streamlike(InIter first, InIter last) : remainder_(first, last) {} - - const_iterator begin() const { - return const_iterator(this, remainder_.begin()); - } - const_iterator end() const { - return const_iterator(this, remainder_.end()); - } - - private: - class ConstIter : public std::iterator<std::input_iterator_tag, - value_type, - ptrdiff_t, - const value_type*, - const value_type&> { - public: - ConstIter(const Streamlike* s, - typename std::list<value_type>::iterator pos) - : s_(s), pos_(pos) {} - - const value_type& operator*() const { return *pos_; } - const value_type* operator->() const { return &*pos_; } - ConstIter& operator++() { - s_->remainder_.erase(pos_++); - return *this; - } - - // *iter++ is required to work (see std::istreambuf_iterator). - // (void)iter++ is also required to work. - class PostIncrProxy { - public: - explicit PostIncrProxy(const value_type& value) : value_(value) {} - value_type operator*() const { return value_; } - private: - value_type value_; - }; - PostIncrProxy operator++(int) { - PostIncrProxy proxy(**this); - ++(*this); - return proxy; - } - - friend bool operator==(const ConstIter& a, const ConstIter& b) { - return a.s_ == b.s_ && a.pos_ == b.pos_; - } - friend bool operator!=(const ConstIter& a, const ConstIter& b) { - return !(a == b); - } - - private: - const Streamlike* s_; - typename std::list<value_type>::iterator pos_; - }; - - friend std::ostream& operator<<(std::ostream& os, const Streamlike& s) { - os << "["; - typedef typename std::list<value_type>::const_iterator Iter; - const char* sep = ""; - for (Iter it = s.remainder_.begin(); it != s.remainder_.end(); ++it) { - os << sep << *it; - sep = ","; - } - os << "]"; - return os; - } - - mutable std::list<value_type> remainder_; // modified by iteration -}; - -TEST(StreamlikeTest, Iteration) { - const int a[5] = {2, 1, 4, 5, 3}; - Streamlike<int> s(a, a + 5); - Streamlike<int>::const_iterator it = s.begin(); - const int* ip = a; - while (it != s.end()) { - SCOPED_TRACE(ip - a); - EXPECT_EQ(*ip++, *it++); - } -} - -TEST(BeginEndDistanceIsTest, WorksWithForwardList) { - std::forward_list<int> container; - EXPECT_THAT(container, BeginEndDistanceIs(0)); - EXPECT_THAT(container, Not(BeginEndDistanceIs(1))); - container.push_front(0); - EXPECT_THAT(container, Not(BeginEndDistanceIs(0))); - EXPECT_THAT(container, BeginEndDistanceIs(1)); - container.push_front(0); - EXPECT_THAT(container, Not(BeginEndDistanceIs(0))); - EXPECT_THAT(container, BeginEndDistanceIs(2)); -} - -TEST(BeginEndDistanceIsTest, WorksWithNonStdList) { - const int a[5] = {1, 2, 3, 4, 5}; - Streamlike<int> s(a, a + 5); - EXPECT_THAT(s, BeginEndDistanceIs(5)); -} - -TEST(BeginEndDistanceIsTest, CanDescribeSelf) { - Matcher<vector<int> > m = BeginEndDistanceIs(2); - EXPECT_EQ("distance between begin() and end() is equal to 2", Describe(m)); - EXPECT_EQ("distance between begin() and end() isn't equal to 2", - DescribeNegation(m)); -} - -TEST(BeginEndDistanceIsTest, WorksWithMoveOnly) { - ContainerHelper helper; - EXPECT_CALL(helper, Call(BeginEndDistanceIs(2))); - helper.Call(MakeUniquePtrs({1, 2})); -} - -TEST(BeginEndDistanceIsTest, ExplainsResult) { - Matcher<vector<int> > m1 = BeginEndDistanceIs(2); - Matcher<vector<int> > m2 = BeginEndDistanceIs(Lt(2)); - Matcher<vector<int> > m3 = BeginEndDistanceIs(AnyOf(0, 3)); - Matcher<vector<int> > m4 = BeginEndDistanceIs(GreaterThan(1)); - vector<int> container; - EXPECT_EQ("whose distance between begin() and end() 0 doesn't match", - Explain(m1, container)); - EXPECT_EQ("whose distance between begin() and end() 0 matches", - Explain(m2, container)); - EXPECT_EQ("whose distance between begin() and end() 0 matches", - Explain(m3, container)); - EXPECT_EQ( - "whose distance between begin() and end() 0 doesn't match, which is 1 " - "less than 1", - Explain(m4, container)); - container.push_back(0); - container.push_back(0); - EXPECT_EQ("whose distance between begin() and end() 2 matches", - Explain(m1, container)); - EXPECT_EQ("whose distance between begin() and end() 2 doesn't match", - Explain(m2, container)); - EXPECT_EQ("whose distance between begin() and end() 2 doesn't match", - Explain(m3, container)); - EXPECT_EQ( - "whose distance between begin() and end() 2 matches, which is 1 more " - "than 1", - Explain(m4, container)); -} - -TEST(WhenSortedTest, WorksForStreamlike) { - // Streamlike 'container' provides only minimal iterator support. - // Its iterators are tagged with input_iterator_tag. - const int a[5] = {2, 1, 4, 5, 3}; - Streamlike<int> s(a, a + GTEST_ARRAY_SIZE_(a)); - EXPECT_THAT(s, WhenSorted(ElementsAre(1, 2, 3, 4, 5))); - EXPECT_THAT(s, Not(WhenSorted(ElementsAre(2, 1, 4, 5, 3)))); -} - -TEST(WhenSortedTest, WorksForVectorConstRefMatcherOnStreamlike) { - const int a[] = {2, 1, 4, 5, 3}; - Streamlike<int> s(a, a + GTEST_ARRAY_SIZE_(a)); - Matcher<const std::vector<int>&> vector_match = ElementsAre(1, 2, 3, 4, 5); - EXPECT_THAT(s, WhenSorted(vector_match)); - EXPECT_THAT(s, Not(WhenSorted(ElementsAre(2, 1, 4, 5, 3)))); -} - -TEST(IsSupersetOfTest, WorksForNativeArray) { - const int subset[] = {1, 4}; - const int superset[] = {1, 2, 4}; - const int disjoint[] = {1, 0, 3}; - EXPECT_THAT(subset, IsSupersetOf(subset)); - EXPECT_THAT(subset, Not(IsSupersetOf(superset))); - EXPECT_THAT(superset, IsSupersetOf(subset)); - EXPECT_THAT(subset, Not(IsSupersetOf(disjoint))); - EXPECT_THAT(disjoint, Not(IsSupersetOf(subset))); -} - -TEST(IsSupersetOfTest, WorksWithDuplicates) { - const int not_enough[] = {1, 2}; - const int enough[] = {1, 1, 2}; - const int expected[] = {1, 1}; - EXPECT_THAT(not_enough, Not(IsSupersetOf(expected))); - EXPECT_THAT(enough, IsSupersetOf(expected)); -} - -TEST(IsSupersetOfTest, WorksForEmpty) { - vector<int> numbers; - vector<int> expected; - EXPECT_THAT(numbers, IsSupersetOf(expected)); - expected.push_back(1); - EXPECT_THAT(numbers, Not(IsSupersetOf(expected))); - expected.clear(); - numbers.push_back(1); - numbers.push_back(2); - EXPECT_THAT(numbers, IsSupersetOf(expected)); - expected.push_back(1); - EXPECT_THAT(numbers, IsSupersetOf(expected)); - expected.push_back(2); - EXPECT_THAT(numbers, IsSupersetOf(expected)); - expected.push_back(3); - EXPECT_THAT(numbers, Not(IsSupersetOf(expected))); -} - -TEST(IsSupersetOfTest, WorksForStreamlike) { - const int a[5] = {1, 2, 3, 4, 5}; - Streamlike<int> s(a, a + GTEST_ARRAY_SIZE_(a)); - - vector<int> expected; - expected.push_back(1); - expected.push_back(2); - expected.push_back(5); - EXPECT_THAT(s, IsSupersetOf(expected)); - - expected.push_back(0); - EXPECT_THAT(s, Not(IsSupersetOf(expected))); -} - -TEST(IsSupersetOfTest, TakesStlContainer) { - const int actual[] = {3, 1, 2}; - - ::std::list<int> expected; - expected.push_back(1); - expected.push_back(3); - EXPECT_THAT(actual, IsSupersetOf(expected)); - - expected.push_back(4); - EXPECT_THAT(actual, Not(IsSupersetOf(expected))); -} - -TEST(IsSupersetOfTest, Describe) { - typedef std::vector<int> IntVec; - IntVec expected; - expected.push_back(111); - expected.push_back(222); - expected.push_back(333); - EXPECT_THAT( - Describe<IntVec>(IsSupersetOf(expected)), - Eq("a surjection from elements to requirements exists such that:\n" - " - an element is equal to 111\n" - " - an element is equal to 222\n" - " - an element is equal to 333")); -} - -TEST(IsSupersetOfTest, DescribeNegation) { - typedef std::vector<int> IntVec; - IntVec expected; - expected.push_back(111); - expected.push_back(222); - expected.push_back(333); - EXPECT_THAT( - DescribeNegation<IntVec>(IsSupersetOf(expected)), - Eq("no surjection from elements to requirements exists such that:\n" - " - an element is equal to 111\n" - " - an element is equal to 222\n" - " - an element is equal to 333")); -} - -TEST(IsSupersetOfTest, MatchAndExplain) { - std::vector<int> v; - v.push_back(2); - v.push_back(3); - std::vector<int> expected; - expected.push_back(1); - expected.push_back(2); - StringMatchResultListener listener; - ASSERT_FALSE(ExplainMatchResult(IsSupersetOf(expected), v, &listener)) - << listener.str(); - EXPECT_THAT(listener.str(), - Eq("where the following matchers don't match any elements:\n" - "matcher #0: is equal to 1")); - - v.push_back(1); - listener.Clear(); - ASSERT_TRUE(ExplainMatchResult(IsSupersetOf(expected), v, &listener)) - << listener.str(); - EXPECT_THAT(listener.str(), Eq("where:\n" - " - element #0 is matched by matcher #1,\n" - " - element #2 is matched by matcher #0")); -} - -TEST(IsSupersetOfTest, WorksForRhsInitializerList) { - const int numbers[] = {1, 3, 6, 2, 4, 5}; - EXPECT_THAT(numbers, IsSupersetOf({1, 2})); - EXPECT_THAT(numbers, Not(IsSupersetOf({3, 0}))); -} - -TEST(IsSupersetOfTest, WorksWithMoveOnly) { - ContainerHelper helper; - EXPECT_CALL(helper, Call(IsSupersetOf({Pointee(1)}))); - helper.Call(MakeUniquePtrs({1, 2})); - EXPECT_CALL(helper, Call(Not(IsSupersetOf({Pointee(1), Pointee(2)})))); - helper.Call(MakeUniquePtrs({2})); -} - -TEST(IsSubsetOfTest, WorksForNativeArray) { - const int subset[] = {1, 4}; - const int superset[] = {1, 2, 4}; - const int disjoint[] = {1, 0, 3}; - EXPECT_THAT(subset, IsSubsetOf(subset)); - EXPECT_THAT(subset, IsSubsetOf(superset)); - EXPECT_THAT(superset, Not(IsSubsetOf(subset))); - EXPECT_THAT(subset, Not(IsSubsetOf(disjoint))); - EXPECT_THAT(disjoint, Not(IsSubsetOf(subset))); -} - -TEST(IsSubsetOfTest, WorksWithDuplicates) { - const int not_enough[] = {1, 2}; - const int enough[] = {1, 1, 2}; - const int actual[] = {1, 1}; - EXPECT_THAT(actual, Not(IsSubsetOf(not_enough))); - EXPECT_THAT(actual, IsSubsetOf(enough)); -} - -TEST(IsSubsetOfTest, WorksForEmpty) { - vector<int> numbers; - vector<int> expected; - EXPECT_THAT(numbers, IsSubsetOf(expected)); - expected.push_back(1); - EXPECT_THAT(numbers, IsSubsetOf(expected)); - expected.clear(); - numbers.push_back(1); - numbers.push_back(2); - EXPECT_THAT(numbers, Not(IsSubsetOf(expected))); - expected.push_back(1); - EXPECT_THAT(numbers, Not(IsSubsetOf(expected))); - expected.push_back(2); - EXPECT_THAT(numbers, IsSubsetOf(expected)); - expected.push_back(3); - EXPECT_THAT(numbers, IsSubsetOf(expected)); -} - -TEST(IsSubsetOfTest, WorksForStreamlike) { - const int a[5] = {1, 2}; - Streamlike<int> s(a, a + GTEST_ARRAY_SIZE_(a)); - - vector<int> expected; - expected.push_back(1); - EXPECT_THAT(s, Not(IsSubsetOf(expected))); - expected.push_back(2); - expected.push_back(5); - EXPECT_THAT(s, IsSubsetOf(expected)); -} - -TEST(IsSubsetOfTest, TakesStlContainer) { - const int actual[] = {3, 1, 2}; - - ::std::list<int> expected; - expected.push_back(1); - expected.push_back(3); - EXPECT_THAT(actual, Not(IsSubsetOf(expected))); - - expected.push_back(2); - expected.push_back(4); - EXPECT_THAT(actual, IsSubsetOf(expected)); -} - -TEST(IsSubsetOfTest, Describe) { - typedef std::vector<int> IntVec; - IntVec expected; - expected.push_back(111); - expected.push_back(222); - expected.push_back(333); - - EXPECT_THAT( - Describe<IntVec>(IsSubsetOf(expected)), - Eq("an injection from elements to requirements exists such that:\n" - " - an element is equal to 111\n" - " - an element is equal to 222\n" - " - an element is equal to 333")); -} - -TEST(IsSubsetOfTest, DescribeNegation) { - typedef std::vector<int> IntVec; - IntVec expected; - expected.push_back(111); - expected.push_back(222); - expected.push_back(333); - EXPECT_THAT( - DescribeNegation<IntVec>(IsSubsetOf(expected)), - Eq("no injection from elements to requirements exists such that:\n" - " - an element is equal to 111\n" - " - an element is equal to 222\n" - " - an element is equal to 333")); -} - -TEST(IsSubsetOfTest, MatchAndExplain) { - std::vector<int> v; - v.push_back(2); - v.push_back(3); - std::vector<int> expected; - expected.push_back(1); - expected.push_back(2); - StringMatchResultListener listener; - ASSERT_FALSE(ExplainMatchResult(IsSubsetOf(expected), v, &listener)) - << listener.str(); - EXPECT_THAT(listener.str(), - Eq("where the following elements don't match any matchers:\n" - "element #1: 3")); - - expected.push_back(3); - listener.Clear(); - ASSERT_TRUE(ExplainMatchResult(IsSubsetOf(expected), v, &listener)) - << listener.str(); - EXPECT_THAT(listener.str(), Eq("where:\n" - " - element #0 is matched by matcher #1,\n" - " - element #1 is matched by matcher #2")); -} - -TEST(IsSubsetOfTest, WorksForRhsInitializerList) { - const int numbers[] = {1, 2, 3}; - EXPECT_THAT(numbers, IsSubsetOf({1, 2, 3, 4})); - EXPECT_THAT(numbers, Not(IsSubsetOf({1, 2}))); -} - -TEST(IsSubsetOfTest, WorksWithMoveOnly) { - ContainerHelper helper; - EXPECT_CALL(helper, Call(IsSubsetOf({Pointee(1), Pointee(2)}))); - helper.Call(MakeUniquePtrs({1})); - EXPECT_CALL(helper, Call(Not(IsSubsetOf({Pointee(1)})))); - helper.Call(MakeUniquePtrs({2})); -} - -// Tests using ElementsAre() and ElementsAreArray() with stream-like -// "containers". - -TEST(ElemensAreStreamTest, WorksForStreamlike) { - const int a[5] = {1, 2, 3, 4, 5}; - Streamlike<int> s(a, a + GTEST_ARRAY_SIZE_(a)); - EXPECT_THAT(s, ElementsAre(1, 2, 3, 4, 5)); - EXPECT_THAT(s, Not(ElementsAre(2, 1, 4, 5, 3))); -} - -TEST(ElemensAreArrayStreamTest, WorksForStreamlike) { - const int a[5] = {1, 2, 3, 4, 5}; - Streamlike<int> s(a, a + GTEST_ARRAY_SIZE_(a)); - - vector<int> expected; - expected.push_back(1); - expected.push_back(2); - expected.push_back(3); - expected.push_back(4); - expected.push_back(5); - EXPECT_THAT(s, ElementsAreArray(expected)); - - expected[3] = 0; - EXPECT_THAT(s, Not(ElementsAreArray(expected))); -} - -TEST(ElementsAreTest, WorksWithUncopyable) { - Uncopyable objs[2]; - objs[0].set_value(-3); - objs[1].set_value(1); - EXPECT_THAT(objs, ElementsAre(UncopyableIs(-3), Truly(ValueIsPositive))); -} - -TEST(ElementsAreTest, WorksWithMoveOnly) { - ContainerHelper helper; - EXPECT_CALL(helper, Call(ElementsAre(Pointee(1), Pointee(2)))); - helper.Call(MakeUniquePtrs({1, 2})); - - EXPECT_CALL(helper, Call(ElementsAreArray({Pointee(3), Pointee(4)}))); - helper.Call(MakeUniquePtrs({3, 4})); -} - -TEST(ElementsAreTest, TakesStlContainer) { - const int actual[] = {3, 1, 2}; - - ::std::list<int> expected; - expected.push_back(3); - expected.push_back(1); - expected.push_back(2); - EXPECT_THAT(actual, ElementsAreArray(expected)); - - expected.push_back(4); - EXPECT_THAT(actual, Not(ElementsAreArray(expected))); -} - -// Tests for UnorderedElementsAreArray() - -TEST(UnorderedElementsAreArrayTest, SucceedsWhenExpected) { - const int a[] = {0, 1, 2, 3, 4}; - std::vector<int> s(a, a + GTEST_ARRAY_SIZE_(a)); - do { - StringMatchResultListener listener; - EXPECT_TRUE(ExplainMatchResult(UnorderedElementsAreArray(a), - s, &listener)) << listener.str(); - } while (std::next_permutation(s.begin(), s.end())); -} - -TEST(UnorderedElementsAreArrayTest, VectorBool) { - const bool a[] = {0, 1, 0, 1, 1}; - const bool b[] = {1, 0, 1, 1, 0}; - std::vector<bool> expected(a, a + GTEST_ARRAY_SIZE_(a)); - std::vector<bool> actual(b, b + GTEST_ARRAY_SIZE_(b)); - StringMatchResultListener listener; - EXPECT_TRUE(ExplainMatchResult(UnorderedElementsAreArray(expected), - actual, &listener)) << listener.str(); -} - -TEST(UnorderedElementsAreArrayTest, WorksForStreamlike) { - // Streamlike 'container' provides only minimal iterator support. - // Its iterators are tagged with input_iterator_tag, and it has no - // size() or empty() methods. - const int a[5] = {2, 1, 4, 5, 3}; - Streamlike<int> s(a, a + GTEST_ARRAY_SIZE_(a)); - - ::std::vector<int> expected; - expected.push_back(1); - expected.push_back(2); - expected.push_back(3); - expected.push_back(4); - expected.push_back(5); - EXPECT_THAT(s, UnorderedElementsAreArray(expected)); - - expected.push_back(6); - EXPECT_THAT(s, Not(UnorderedElementsAreArray(expected))); -} - -TEST(UnorderedElementsAreArrayTest, TakesStlContainer) { - const int actual[] = {3, 1, 2}; - - ::std::list<int> expected; - expected.push_back(1); - expected.push_back(2); - expected.push_back(3); - EXPECT_THAT(actual, UnorderedElementsAreArray(expected)); - - expected.push_back(4); - EXPECT_THAT(actual, Not(UnorderedElementsAreArray(expected))); -} - - -TEST(UnorderedElementsAreArrayTest, TakesInitializerList) { - const int a[5] = {2, 1, 4, 5, 3}; - EXPECT_THAT(a, UnorderedElementsAreArray({1, 2, 3, 4, 5})); - EXPECT_THAT(a, Not(UnorderedElementsAreArray({1, 2, 3, 4, 6}))); -} - -TEST(UnorderedElementsAreArrayTest, TakesInitializerListOfCStrings) { - const std::string a[5] = {"a", "b", "c", "d", "e"}; - EXPECT_THAT(a, UnorderedElementsAreArray({"a", "b", "c", "d", "e"})); - EXPECT_THAT(a, Not(UnorderedElementsAreArray({"a", "b", "c", "d", "ef"}))); -} - -TEST(UnorderedElementsAreArrayTest, TakesInitializerListOfSameTypedMatchers) { - const int a[5] = {2, 1, 4, 5, 3}; - EXPECT_THAT(a, UnorderedElementsAreArray( - {Eq(1), Eq(2), Eq(3), Eq(4), Eq(5)})); - EXPECT_THAT(a, Not(UnorderedElementsAreArray( - {Eq(1), Eq(2), Eq(3), Eq(4), Eq(6)}))); -} - -TEST(UnorderedElementsAreArrayTest, - TakesInitializerListOfDifferentTypedMatchers) { - const int a[5] = {2, 1, 4, 5, 3}; - // The compiler cannot infer the type of the initializer list if its - // elements have different types. We must explicitly specify the - // unified element type in this case. - EXPECT_THAT(a, UnorderedElementsAreArray<Matcher<int> >( - {Eq(1), Ne(-2), Ge(3), Le(4), Eq(5)})); - EXPECT_THAT(a, Not(UnorderedElementsAreArray<Matcher<int> >( - {Eq(1), Ne(-2), Ge(3), Le(4), Eq(6)}))); -} - - -TEST(UnorderedElementsAreArrayTest, WorksWithMoveOnly) { - ContainerHelper helper; - EXPECT_CALL(helper, - Call(UnorderedElementsAreArray({Pointee(1), Pointee(2)}))); - helper.Call(MakeUniquePtrs({2, 1})); -} - -class UnorderedElementsAreTest : public testing::Test { - protected: - typedef std::vector<int> IntVec; -}; - -TEST_F(UnorderedElementsAreTest, WorksWithUncopyable) { - Uncopyable objs[2]; - objs[0].set_value(-3); - objs[1].set_value(1); - EXPECT_THAT(objs, - UnorderedElementsAre(Truly(ValueIsPositive), UncopyableIs(-3))); -} - -TEST_F(UnorderedElementsAreTest, SucceedsWhenExpected) { - const int a[] = {1, 2, 3}; - std::vector<int> s(a, a + GTEST_ARRAY_SIZE_(a)); - do { - StringMatchResultListener listener; - EXPECT_TRUE(ExplainMatchResult(UnorderedElementsAre(1, 2, 3), - s, &listener)) << listener.str(); - } while (std::next_permutation(s.begin(), s.end())); -} - -TEST_F(UnorderedElementsAreTest, FailsWhenAnElementMatchesNoMatcher) { - const int a[] = {1, 2, 3}; - std::vector<int> s(a, a + GTEST_ARRAY_SIZE_(a)); - std::vector<Matcher<int> > mv; - mv.push_back(1); - mv.push_back(2); - mv.push_back(2); - // The element with value '3' matches nothing: fail fast. - StringMatchResultListener listener; - EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAreArray(mv), - s, &listener)) << listener.str(); -} - -TEST_F(UnorderedElementsAreTest, WorksForStreamlike) { - // Streamlike 'container' provides only minimal iterator support. - // Its iterators are tagged with input_iterator_tag, and it has no - // size() or empty() methods. - const int a[5] = {2, 1, 4, 5, 3}; - Streamlike<int> s(a, a + GTEST_ARRAY_SIZE_(a)); - - EXPECT_THAT(s, UnorderedElementsAre(1, 2, 3, 4, 5)); - EXPECT_THAT(s, Not(UnorderedElementsAre(2, 2, 3, 4, 5))); -} - -TEST_F(UnorderedElementsAreTest, WorksWithMoveOnly) { - ContainerHelper helper; - EXPECT_CALL(helper, Call(UnorderedElementsAre(Pointee(1), Pointee(2)))); - helper.Call(MakeUniquePtrs({2, 1})); -} - -// One naive implementation of the matcher runs in O(N!) time, which is too -// slow for many real-world inputs. This test shows that our matcher can match -// 100 inputs very quickly (a few milliseconds). An O(100!) is 10^158 -// iterations and obviously effectively incomputable. -// [ RUN ] UnorderedElementsAreTest.Performance -// [ OK ] UnorderedElementsAreTest.Performance (4 ms) -TEST_F(UnorderedElementsAreTest, Performance) { - std::vector<int> s; - std::vector<Matcher<int> > mv; - for (int i = 0; i < 100; ++i) { - s.push_back(i); - mv.push_back(_); - } - mv[50] = Eq(0); - StringMatchResultListener listener; - EXPECT_TRUE(ExplainMatchResult(UnorderedElementsAreArray(mv), - s, &listener)) << listener.str(); -} - -// Another variant of 'Performance' with similar expectations. -// [ RUN ] UnorderedElementsAreTest.PerformanceHalfStrict -// [ OK ] UnorderedElementsAreTest.PerformanceHalfStrict (4 ms) -TEST_F(UnorderedElementsAreTest, PerformanceHalfStrict) { - std::vector<int> s; - std::vector<Matcher<int> > mv; - for (int i = 0; i < 100; ++i) { - s.push_back(i); - if (i & 1) { - mv.push_back(_); - } else { - mv.push_back(i); - } - } - StringMatchResultListener listener; - EXPECT_TRUE(ExplainMatchResult(UnorderedElementsAreArray(mv), - s, &listener)) << listener.str(); -} - -TEST_F(UnorderedElementsAreTest, FailMessageCountWrong) { - std::vector<int> v; - v.push_back(4); - StringMatchResultListener listener; - EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAre(1, 2, 3), - v, &listener)) << listener.str(); - EXPECT_THAT(listener.str(), Eq("which has 1 element")); -} - -TEST_F(UnorderedElementsAreTest, FailMessageCountWrongZero) { - std::vector<int> v; - StringMatchResultListener listener; - EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAre(1, 2, 3), - v, &listener)) << listener.str(); - EXPECT_THAT(listener.str(), Eq("")); -} - -TEST_F(UnorderedElementsAreTest, FailMessageUnmatchedMatchers) { - std::vector<int> v; - v.push_back(1); - v.push_back(1); - StringMatchResultListener listener; - EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAre(1, 2), - v, &listener)) << listener.str(); - EXPECT_THAT( - listener.str(), - Eq("where the following matchers don't match any elements:\n" - "matcher #1: is equal to 2")); -} - -TEST_F(UnorderedElementsAreTest, FailMessageUnmatchedElements) { - std::vector<int> v; - v.push_back(1); - v.push_back(2); - StringMatchResultListener listener; - EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAre(1, 1), - v, &listener)) << listener.str(); - EXPECT_THAT( - listener.str(), - Eq("where the following elements don't match any matchers:\n" - "element #1: 2")); -} - -TEST_F(UnorderedElementsAreTest, FailMessageUnmatchedMatcherAndElement) { - std::vector<int> v; - v.push_back(2); - v.push_back(3); - StringMatchResultListener listener; - EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAre(1, 2), - v, &listener)) << listener.str(); - EXPECT_THAT( - listener.str(), - Eq("where" - " the following matchers don't match any elements:\n" - "matcher #0: is equal to 1\n" - "and" - " where" - " the following elements don't match any matchers:\n" - "element #1: 3")); -} - -// Test helper for formatting element, matcher index pairs in expectations. -static std::string EMString(int element, int matcher) { - stringstream ss; - ss << "(element #" << element << ", matcher #" << matcher << ")"; - return ss.str(); -} - -TEST_F(UnorderedElementsAreTest, FailMessageImperfectMatchOnly) { - // A situation where all elements and matchers have a match - // associated with them, but the max matching is not perfect. - std::vector<std::string> v; - v.push_back("a"); - v.push_back("b"); - v.push_back("c"); - StringMatchResultListener listener; - EXPECT_FALSE(ExplainMatchResult( - UnorderedElementsAre("a", "a", AnyOf("b", "c")), v, &listener)) - << listener.str(); - - std::string prefix = - "where no permutation of the elements can satisfy all matchers, " - "and the closest match is 2 of 3 matchers with the " - "pairings:\n"; - - // We have to be a bit loose here, because there are 4 valid max matches. - EXPECT_THAT( - listener.str(), - AnyOf(prefix + "{\n " + EMString(0, 0) + - ",\n " + EMString(1, 2) + "\n}", - prefix + "{\n " + EMString(0, 1) + - ",\n " + EMString(1, 2) + "\n}", - prefix + "{\n " + EMString(0, 0) + - ",\n " + EMString(2, 2) + "\n}", - prefix + "{\n " + EMString(0, 1) + - ",\n " + EMString(2, 2) + "\n}")); -} - -TEST_F(UnorderedElementsAreTest, Describe) { - EXPECT_THAT(Describe<IntVec>(UnorderedElementsAre()), - Eq("is empty")); - EXPECT_THAT( - Describe<IntVec>(UnorderedElementsAre(345)), - Eq("has 1 element and that element is equal to 345")); - EXPECT_THAT( - Describe<IntVec>(UnorderedElementsAre(111, 222, 333)), - Eq("has 3 elements and there exists some permutation " - "of elements such that:\n" - " - element #0 is equal to 111, and\n" - " - element #1 is equal to 222, and\n" - " - element #2 is equal to 333")); -} - -TEST_F(UnorderedElementsAreTest, DescribeNegation) { - EXPECT_THAT(DescribeNegation<IntVec>(UnorderedElementsAre()), - Eq("isn't empty")); - EXPECT_THAT( - DescribeNegation<IntVec>(UnorderedElementsAre(345)), - Eq("doesn't have 1 element, or has 1 element that isn't equal to 345")); - EXPECT_THAT( - DescribeNegation<IntVec>(UnorderedElementsAre(123, 234, 345)), - Eq("doesn't have 3 elements, or there exists no permutation " - "of elements such that:\n" - " - element #0 is equal to 123, and\n" - " - element #1 is equal to 234, and\n" - " - element #2 is equal to 345")); -} - -namespace { - -// Used as a check on the more complex max flow method used in the -// real testing::internal::FindMaxBipartiteMatching. This method is -// compatible but runs in worst-case factorial time, so we only -// use it in testing for small problem sizes. -template <typename Graph> -class BacktrackingMaxBPMState { - public: - // Does not take ownership of 'g'. - explicit BacktrackingMaxBPMState(const Graph* g) : graph_(g) { } - - ElementMatcherPairs Compute() { - if (graph_->LhsSize() == 0 || graph_->RhsSize() == 0) { - return best_so_far_; - } - lhs_used_.assign(graph_->LhsSize(), kUnused); - rhs_used_.assign(graph_->RhsSize(), kUnused); - for (size_t irhs = 0; irhs < graph_->RhsSize(); ++irhs) { - matches_.clear(); - RecurseInto(irhs); - if (best_so_far_.size() == graph_->RhsSize()) - break; - } - return best_so_far_; - } - - private: - static const size_t kUnused = static_cast<size_t>(-1); - - void PushMatch(size_t lhs, size_t rhs) { - matches_.push_back(ElementMatcherPair(lhs, rhs)); - lhs_used_[lhs] = rhs; - rhs_used_[rhs] = lhs; - if (matches_.size() > best_so_far_.size()) { - best_so_far_ = matches_; - } - } - - void PopMatch() { - const ElementMatcherPair& back = matches_.back(); - lhs_used_[back.first] = kUnused; - rhs_used_[back.second] = kUnused; - matches_.pop_back(); - } - - bool RecurseInto(size_t irhs) { - if (rhs_used_[irhs] != kUnused) { - return true; - } - for (size_t ilhs = 0; ilhs < graph_->LhsSize(); ++ilhs) { - if (lhs_used_[ilhs] != kUnused) { - continue; - } - if (!graph_->HasEdge(ilhs, irhs)) { - continue; - } - PushMatch(ilhs, irhs); - if (best_so_far_.size() == graph_->RhsSize()) { - return false; - } - for (size_t mi = irhs + 1; mi < graph_->RhsSize(); ++mi) { - if (!RecurseInto(mi)) return false; - } - PopMatch(); - } - return true; - } - - const Graph* graph_; // not owned - std::vector<size_t> lhs_used_; - std::vector<size_t> rhs_used_; - ElementMatcherPairs matches_; - ElementMatcherPairs best_so_far_; -}; - -template <typename Graph> -const size_t BacktrackingMaxBPMState<Graph>::kUnused; - -} // namespace - -// Implement a simple backtracking algorithm to determine if it is possible -// to find one element per matcher, without reusing elements. -template <typename Graph> -ElementMatcherPairs -FindBacktrackingMaxBPM(const Graph& g) { - return BacktrackingMaxBPMState<Graph>(&g).Compute(); -} - -class BacktrackingBPMTest : public ::testing::Test { }; - -// Tests the MaxBipartiteMatching algorithm with square matrices. -// The single int param is the # of nodes on each of the left and right sides. -class BipartiteTest : public ::testing::TestWithParam<size_t> {}; - -// Verify all match graphs up to some moderate number of edges. -TEST_P(BipartiteTest, Exhaustive) { - size_t nodes = GetParam(); - MatchMatrix graph(nodes, nodes); - do { - ElementMatcherPairs matches = - internal::FindMaxBipartiteMatching(graph); - EXPECT_EQ(FindBacktrackingMaxBPM(graph).size(), matches.size()) - << "graph: " << graph.DebugString(); - // Check that all elements of matches are in the graph. - // Check that elements of first and second are unique. - std::vector<bool> seen_element(graph.LhsSize()); - std::vector<bool> seen_matcher(graph.RhsSize()); - SCOPED_TRACE(PrintToString(matches)); - for (size_t i = 0; i < matches.size(); ++i) { - size_t ilhs = matches[i].first; - size_t irhs = matches[i].second; - EXPECT_TRUE(graph.HasEdge(ilhs, irhs)); - EXPECT_FALSE(seen_element[ilhs]); - EXPECT_FALSE(seen_matcher[irhs]); - seen_element[ilhs] = true; - seen_matcher[irhs] = true; - } - } while (graph.NextGraph()); -} - -INSTANTIATE_TEST_SUITE_P(AllGraphs, BipartiteTest, - ::testing::Range(size_t{0}, size_t{5})); - -// Parameterized by a pair interpreted as (LhsSize, RhsSize). -class BipartiteNonSquareTest - : public ::testing::TestWithParam<std::pair<size_t, size_t> > { -}; - -TEST_F(BipartiteNonSquareTest, SimpleBacktracking) { - // ....... - // 0:-----\ : - // 1:---\ | : - // 2:---\ | : - // 3:-\ | | : - // :.......: - // 0 1 2 - MatchMatrix g(4, 3); - static const size_t kEdges[][2] = {{0, 2}, {1, 1}, {2, 1}, {3, 0}}; - for (size_t i = 0; i < GTEST_ARRAY_SIZE_(kEdges); ++i) { - g.SetEdge(kEdges[i][0], kEdges[i][1], true); - } - EXPECT_THAT(FindBacktrackingMaxBPM(g), - ElementsAre(Pair(3, 0), - Pair(AnyOf(1, 2), 1), - Pair(0, 2))) << g.DebugString(); -} - -// Verify a few nonsquare matrices. -TEST_P(BipartiteNonSquareTest, Exhaustive) { - size_t nlhs = GetParam().first; - size_t nrhs = GetParam().second; - MatchMatrix graph(nlhs, nrhs); - do { - EXPECT_EQ(FindBacktrackingMaxBPM(graph).size(), - internal::FindMaxBipartiteMatching(graph).size()) - << "graph: " << graph.DebugString() - << "\nbacktracking: " - << PrintToString(FindBacktrackingMaxBPM(graph)) - << "\nmax flow: " - << PrintToString(internal::FindMaxBipartiteMatching(graph)); - } while (graph.NextGraph()); -} - -INSTANTIATE_TEST_SUITE_P(AllGraphs, BipartiteNonSquareTest, - testing::Values( - std::make_pair(1, 2), - std::make_pair(2, 1), - std::make_pair(3, 2), - std::make_pair(2, 3), - std::make_pair(4, 1), - std::make_pair(1, 4), - std::make_pair(4, 3), - std::make_pair(3, 4))); - -class BipartiteRandomTest - : public ::testing::TestWithParam<std::pair<int, int> > { -}; - -// Verifies a large sample of larger graphs. -TEST_P(BipartiteRandomTest, LargerNets) { - int nodes = GetParam().first; - int iters = GetParam().second; - MatchMatrix graph(static_cast<size_t>(nodes), static_cast<size_t>(nodes)); - - auto seed = static_cast<testing::internal::UInt32>(GTEST_FLAG(random_seed)); - if (seed == 0) { - seed = static_cast<testing::internal::UInt32>(time(nullptr)); - } - - for (; iters > 0; --iters, ++seed) { - srand(static_cast<unsigned int>(seed)); - graph.Randomize(); - EXPECT_EQ(FindBacktrackingMaxBPM(graph).size(), - internal::FindMaxBipartiteMatching(graph).size()) - << " graph: " << graph.DebugString() - << "\nTo reproduce the failure, rerun the test with the flag" - " --" << GTEST_FLAG_PREFIX_ << "random_seed=" << seed; - } -} - -// Test argument is a std::pair<int, int> representing (nodes, iters). -INSTANTIATE_TEST_SUITE_P(Samples, BipartiteRandomTest, - testing::Values( - std::make_pair(5, 10000), - std::make_pair(6, 5000), - std::make_pair(7, 2000), - std::make_pair(8, 500), - std::make_pair(9, 100))); - -// Tests IsReadableTypeName(). - -TEST(IsReadableTypeNameTest, ReturnsTrueForShortNames) { - EXPECT_TRUE(IsReadableTypeName("int")); - EXPECT_TRUE(IsReadableTypeName("const unsigned char*")); - EXPECT_TRUE(IsReadableTypeName("MyMap<int, void*>")); - EXPECT_TRUE(IsReadableTypeName("void (*)(int, bool)")); -} - -TEST(IsReadableTypeNameTest, ReturnsTrueForLongNonTemplateNonFunctionNames) { - EXPECT_TRUE(IsReadableTypeName("my_long_namespace::MyClassName")); - EXPECT_TRUE(IsReadableTypeName("int [5][6][7][8][9][10][11]")); - EXPECT_TRUE(IsReadableTypeName("my_namespace::MyOuterClass::MyInnerClass")); -} - -TEST(IsReadableTypeNameTest, ReturnsFalseForLongTemplateNames) { - EXPECT_FALSE( - IsReadableTypeName("basic_string<char, std::char_traits<char> >")); - EXPECT_FALSE(IsReadableTypeName("std::vector<int, std::alloc_traits<int> >")); -} - -TEST(IsReadableTypeNameTest, ReturnsFalseForLongFunctionTypeNames) { - EXPECT_FALSE(IsReadableTypeName("void (&)(int, bool, char, float)")); -} - -// Tests FormatMatcherDescription(). - -TEST(FormatMatcherDescriptionTest, WorksForEmptyDescription) { - EXPECT_EQ("is even", - FormatMatcherDescription(false, "IsEven", Strings())); - EXPECT_EQ("not (is even)", - FormatMatcherDescription(true, "IsEven", Strings())); - - const char* params[] = {"5"}; - EXPECT_EQ("equals 5", - FormatMatcherDescription(false, "Equals", - Strings(params, params + 1))); - - const char* params2[] = {"5", "8"}; - EXPECT_EQ("is in range (5, 8)", - FormatMatcherDescription(false, "IsInRange", - Strings(params2, params2 + 2))); -} - -// Tests PolymorphicMatcher::mutable_impl(). -TEST(PolymorphicMatcherTest, CanAccessMutableImpl) { - PolymorphicMatcher<DivisibleByImpl> m(DivisibleByImpl(42)); - DivisibleByImpl& impl = m.mutable_impl(); - EXPECT_EQ(42, impl.divider()); - - impl.set_divider(0); - EXPECT_EQ(0, m.mutable_impl().divider()); -} - -// Tests PolymorphicMatcher::impl(). -TEST(PolymorphicMatcherTest, CanAccessImpl) { - const PolymorphicMatcher<DivisibleByImpl> m(DivisibleByImpl(42)); - const DivisibleByImpl& impl = m.impl(); - EXPECT_EQ(42, impl.divider()); -} - -TEST(MatcherTupleTest, ExplainsMatchFailure) { - stringstream ss1; - ExplainMatchFailureTupleTo( - std::make_tuple(Matcher<char>(Eq('a')), GreaterThan(5)), - std::make_tuple('a', 10), &ss1); - EXPECT_EQ("", ss1.str()); // Successful match. - - stringstream ss2; - ExplainMatchFailureTupleTo( - std::make_tuple(GreaterThan(5), Matcher<char>(Eq('a'))), - std::make_tuple(2, 'b'), &ss2); - EXPECT_EQ(" Expected arg #0: is > 5\n" - " Actual: 2, which is 3 less than 5\n" - " Expected arg #1: is equal to 'a' (97, 0x61)\n" - " Actual: 'b' (98, 0x62)\n", - ss2.str()); // Failed match where both arguments need explanation. - - stringstream ss3; - ExplainMatchFailureTupleTo( - std::make_tuple(GreaterThan(5), Matcher<char>(Eq('a'))), - std::make_tuple(2, 'a'), &ss3); - EXPECT_EQ(" Expected arg #0: is > 5\n" - " Actual: 2, which is 3 less than 5\n", - ss3.str()); // Failed match where only one argument needs - // explanation. -} - -// Tests Each(). - -TEST(EachTest, ExplainsMatchResultCorrectly) { - set<int> a; // empty - - Matcher<set<int> > m = Each(2); - EXPECT_EQ("", Explain(m, a)); - - Matcher<const int(&)[1]> n = Each(1); // NOLINT - - const int b[1] = {1}; - EXPECT_EQ("", Explain(n, b)); - - n = Each(3); - EXPECT_EQ("whose element #0 doesn't match", Explain(n, b)); - - a.insert(1); - a.insert(2); - a.insert(3); - m = Each(GreaterThan(0)); - EXPECT_EQ("", Explain(m, a)); - - m = Each(GreaterThan(10)); - EXPECT_EQ("whose element #0 doesn't match, which is 9 less than 10", - Explain(m, a)); -} - -TEST(EachTest, DescribesItselfCorrectly) { - Matcher<vector<int> > m = Each(1); - EXPECT_EQ("only contains elements that is equal to 1", Describe(m)); - - Matcher<vector<int> > m2 = Not(m); - EXPECT_EQ("contains some element that isn't equal to 1", Describe(m2)); -} - -TEST(EachTest, MatchesVectorWhenAllElementsMatch) { - vector<int> some_vector; - EXPECT_THAT(some_vector, Each(1)); - some_vector.push_back(3); - EXPECT_THAT(some_vector, Not(Each(1))); - EXPECT_THAT(some_vector, Each(3)); - some_vector.push_back(1); - some_vector.push_back(2); - EXPECT_THAT(some_vector, Not(Each(3))); - EXPECT_THAT(some_vector, Each(Lt(3.5))); - - vector<std::string> another_vector; - another_vector.push_back("fee"); - EXPECT_THAT(another_vector, Each(std::string("fee"))); - another_vector.push_back("fie"); - another_vector.push_back("foe"); - another_vector.push_back("fum"); - EXPECT_THAT(another_vector, Not(Each(std::string("fee")))); -} - -TEST(EachTest, MatchesMapWhenAllElementsMatch) { - map<const char*, int> my_map; - const char* bar = "a string"; - my_map[bar] = 2; - EXPECT_THAT(my_map, Each(make_pair(bar, 2))); - - map<std::string, int> another_map; - EXPECT_THAT(another_map, Each(make_pair(std::string("fee"), 1))); - another_map["fee"] = 1; - EXPECT_THAT(another_map, Each(make_pair(std::string("fee"), 1))); - another_map["fie"] = 2; - another_map["foe"] = 3; - another_map["fum"] = 4; - EXPECT_THAT(another_map, Not(Each(make_pair(std::string("fee"), 1)))); - EXPECT_THAT(another_map, Not(Each(make_pair(std::string("fum"), 1)))); - EXPECT_THAT(another_map, Each(Pair(_, Gt(0)))); -} - -TEST(EachTest, AcceptsMatcher) { - const int a[] = {1, 2, 3}; - EXPECT_THAT(a, Each(Gt(0))); - EXPECT_THAT(a, Not(Each(Gt(1)))); -} - -TEST(EachTest, WorksForNativeArrayAsTuple) { - const int a[] = {1, 2}; - const int* const pointer = a; - EXPECT_THAT(std::make_tuple(pointer, 2), Each(Gt(0))); - EXPECT_THAT(std::make_tuple(pointer, 2), Not(Each(Gt(1)))); -} - -TEST(EachTest, WorksWithMoveOnly) { - ContainerHelper helper; - EXPECT_CALL(helper, Call(Each(Pointee(Gt(0))))); - helper.Call(MakeUniquePtrs({1, 2})); -} - -// For testing Pointwise(). -class IsHalfOfMatcher { - public: - template <typename T1, typename T2> - bool MatchAndExplain(const std::tuple<T1, T2>& a_pair, - MatchResultListener* listener) const { - if (std::get<0>(a_pair) == std::get<1>(a_pair) / 2) { - *listener << "where the second is " << std::get<1>(a_pair); - return true; - } else { - *listener << "where the second/2 is " << std::get<1>(a_pair) / 2; - return false; - } - } - - void DescribeTo(ostream* os) const { - *os << "are a pair where the first is half of the second"; - } - - void DescribeNegationTo(ostream* os) const { - *os << "are a pair where the first isn't half of the second"; - } -}; - -PolymorphicMatcher<IsHalfOfMatcher> IsHalfOf() { - return MakePolymorphicMatcher(IsHalfOfMatcher()); -} - -TEST(PointwiseTest, DescribesSelf) { - vector<int> rhs; - rhs.push_back(1); - rhs.push_back(2); - rhs.push_back(3); - const Matcher<const vector<int>&> m = Pointwise(IsHalfOf(), rhs); - EXPECT_EQ("contains 3 values, where each value and its corresponding value " - "in { 1, 2, 3 } are a pair where the first is half of the second", - Describe(m)); - EXPECT_EQ("doesn't contain exactly 3 values, or contains a value x at some " - "index i where x and the i-th value of { 1, 2, 3 } are a pair " - "where the first isn't half of the second", - DescribeNegation(m)); -} - -TEST(PointwiseTest, MakesCopyOfRhs) { - list<signed char> rhs; - rhs.push_back(2); - rhs.push_back(4); - - int lhs[] = {1, 2}; - const Matcher<const int (&)[2]> m = Pointwise(IsHalfOf(), rhs); - EXPECT_THAT(lhs, m); - - // Changing rhs now shouldn't affect m, which made a copy of rhs. - rhs.push_back(6); - EXPECT_THAT(lhs, m); -} - -TEST(PointwiseTest, WorksForLhsNativeArray) { - const int lhs[] = {1, 2, 3}; - vector<int> rhs; - rhs.push_back(2); - rhs.push_back(4); - rhs.push_back(6); - EXPECT_THAT(lhs, Pointwise(Lt(), rhs)); - EXPECT_THAT(lhs, Not(Pointwise(Gt(), rhs))); -} - -TEST(PointwiseTest, WorksForRhsNativeArray) { - const int rhs[] = {1, 2, 3}; - vector<int> lhs; - lhs.push_back(2); - lhs.push_back(4); - lhs.push_back(6); - EXPECT_THAT(lhs, Pointwise(Gt(), rhs)); - EXPECT_THAT(lhs, Not(Pointwise(Lt(), rhs))); -} - -// Test is effective only with sanitizers. -TEST(PointwiseTest, WorksForVectorOfBool) { - vector<bool> rhs(3, false); - rhs[1] = true; - vector<bool> lhs = rhs; - EXPECT_THAT(lhs, Pointwise(Eq(), rhs)); - rhs[0] = true; - EXPECT_THAT(lhs, Not(Pointwise(Eq(), rhs))); -} - - -TEST(PointwiseTest, WorksForRhsInitializerList) { - const vector<int> lhs{2, 4, 6}; - EXPECT_THAT(lhs, Pointwise(Gt(), {1, 2, 3})); - EXPECT_THAT(lhs, Not(Pointwise(Lt(), {3, 3, 7}))); -} - - -TEST(PointwiseTest, RejectsWrongSize) { - const double lhs[2] = {1, 2}; - const int rhs[1] = {0}; - EXPECT_THAT(lhs, Not(Pointwise(Gt(), rhs))); - EXPECT_EQ("which contains 2 values", - Explain(Pointwise(Gt(), rhs), lhs)); - - const int rhs2[3] = {0, 1, 2}; - EXPECT_THAT(lhs, Not(Pointwise(Gt(), rhs2))); -} - -TEST(PointwiseTest, RejectsWrongContent) { - const double lhs[3] = {1, 2, 3}; - const int rhs[3] = {2, 6, 4}; - EXPECT_THAT(lhs, Not(Pointwise(IsHalfOf(), rhs))); - EXPECT_EQ("where the value pair (2, 6) at index #1 don't match, " - "where the second/2 is 3", - Explain(Pointwise(IsHalfOf(), rhs), lhs)); -} - -TEST(PointwiseTest, AcceptsCorrectContent) { - const double lhs[3] = {1, 2, 3}; - const int rhs[3] = {2, 4, 6}; - EXPECT_THAT(lhs, Pointwise(IsHalfOf(), rhs)); - EXPECT_EQ("", Explain(Pointwise(IsHalfOf(), rhs), lhs)); -} - -TEST(PointwiseTest, AllowsMonomorphicInnerMatcher) { - const double lhs[3] = {1, 2, 3}; - const int rhs[3] = {2, 4, 6}; - const Matcher<std::tuple<const double&, const int&>> m1 = IsHalfOf(); - EXPECT_THAT(lhs, Pointwise(m1, rhs)); - EXPECT_EQ("", Explain(Pointwise(m1, rhs), lhs)); - - // This type works as a std::tuple<const double&, const int&> can be - // implicitly cast to std::tuple<double, int>. - const Matcher<std::tuple<double, int>> m2 = IsHalfOf(); - EXPECT_THAT(lhs, Pointwise(m2, rhs)); - EXPECT_EQ("", Explain(Pointwise(m2, rhs), lhs)); -} - -MATCHER(PointeeEquals, "Points to an equal value") { - return ExplainMatchResult(::testing::Pointee(::testing::get<1>(arg)), - ::testing::get<0>(arg), result_listener); -} - -TEST(PointwiseTest, WorksWithMoveOnly) { - ContainerHelper helper; - EXPECT_CALL(helper, Call(Pointwise(PointeeEquals(), std::vector<int>{1, 2}))); - helper.Call(MakeUniquePtrs({1, 2})); -} - -TEST(UnorderedPointwiseTest, DescribesSelf) { - vector<int> rhs; - rhs.push_back(1); - rhs.push_back(2); - rhs.push_back(3); - const Matcher<const vector<int>&> m = UnorderedPointwise(IsHalfOf(), rhs); - EXPECT_EQ( - "has 3 elements and there exists some permutation of elements such " - "that:\n" - " - element #0 and 1 are a pair where the first is half of the second, " - "and\n" - " - element #1 and 2 are a pair where the first is half of the second, " - "and\n" - " - element #2 and 3 are a pair where the first is half of the second", - Describe(m)); - EXPECT_EQ( - "doesn't have 3 elements, or there exists no permutation of elements " - "such that:\n" - " - element #0 and 1 are a pair where the first is half of the second, " - "and\n" - " - element #1 and 2 are a pair where the first is half of the second, " - "and\n" - " - element #2 and 3 are a pair where the first is half of the second", - DescribeNegation(m)); -} - -TEST(UnorderedPointwiseTest, MakesCopyOfRhs) { - list<signed char> rhs; - rhs.push_back(2); - rhs.push_back(4); - - int lhs[] = {2, 1}; - const Matcher<const int (&)[2]> m = UnorderedPointwise(IsHalfOf(), rhs); - EXPECT_THAT(lhs, m); - - // Changing rhs now shouldn't affect m, which made a copy of rhs. - rhs.push_back(6); - EXPECT_THAT(lhs, m); -} - -TEST(UnorderedPointwiseTest, WorksForLhsNativeArray) { - const int lhs[] = {1, 2, 3}; - vector<int> rhs; - rhs.push_back(4); - rhs.push_back(6); - rhs.push_back(2); - EXPECT_THAT(lhs, UnorderedPointwise(Lt(), rhs)); - EXPECT_THAT(lhs, Not(UnorderedPointwise(Gt(), rhs))); -} - -TEST(UnorderedPointwiseTest, WorksForRhsNativeArray) { - const int rhs[] = {1, 2, 3}; - vector<int> lhs; - lhs.push_back(4); - lhs.push_back(2); - lhs.push_back(6); - EXPECT_THAT(lhs, UnorderedPointwise(Gt(), rhs)); - EXPECT_THAT(lhs, Not(UnorderedPointwise(Lt(), rhs))); -} - - -TEST(UnorderedPointwiseTest, WorksForRhsInitializerList) { - const vector<int> lhs{2, 4, 6}; - EXPECT_THAT(lhs, UnorderedPointwise(Gt(), {5, 1, 3})); - EXPECT_THAT(lhs, Not(UnorderedPointwise(Lt(), {1, 1, 7}))); -} - - -TEST(UnorderedPointwiseTest, RejectsWrongSize) { - const double lhs[2] = {1, 2}; - const int rhs[1] = {0}; - EXPECT_THAT(lhs, Not(UnorderedPointwise(Gt(), rhs))); - EXPECT_EQ("which has 2 elements", - Explain(UnorderedPointwise(Gt(), rhs), lhs)); - - const int rhs2[3] = {0, 1, 2}; - EXPECT_THAT(lhs, Not(UnorderedPointwise(Gt(), rhs2))); -} - -TEST(UnorderedPointwiseTest, RejectsWrongContent) { - const double lhs[3] = {1, 2, 3}; - const int rhs[3] = {2, 6, 6}; - EXPECT_THAT(lhs, Not(UnorderedPointwise(IsHalfOf(), rhs))); - EXPECT_EQ("where the following elements don't match any matchers:\n" - "element #1: 2", - Explain(UnorderedPointwise(IsHalfOf(), rhs), lhs)); -} - -TEST(UnorderedPointwiseTest, AcceptsCorrectContentInSameOrder) { - const double lhs[3] = {1, 2, 3}; - const int rhs[3] = {2, 4, 6}; - EXPECT_THAT(lhs, UnorderedPointwise(IsHalfOf(), rhs)); -} - -TEST(UnorderedPointwiseTest, AcceptsCorrectContentInDifferentOrder) { - const double lhs[3] = {1, 2, 3}; - const int rhs[3] = {6, 4, 2}; - EXPECT_THAT(lhs, UnorderedPointwise(IsHalfOf(), rhs)); -} - -TEST(UnorderedPointwiseTest, AllowsMonomorphicInnerMatcher) { - const double lhs[3] = {1, 2, 3}; - const int rhs[3] = {4, 6, 2}; - const Matcher<std::tuple<const double&, const int&>> m1 = IsHalfOf(); - EXPECT_THAT(lhs, UnorderedPointwise(m1, rhs)); - - // This type works as a std::tuple<const double&, const int&> can be - // implicitly cast to std::tuple<double, int>. - const Matcher<std::tuple<double, int>> m2 = IsHalfOf(); - EXPECT_THAT(lhs, UnorderedPointwise(m2, rhs)); -} - -TEST(UnorderedPointwiseTest, WorksWithMoveOnly) { - ContainerHelper helper; - EXPECT_CALL(helper, Call(UnorderedPointwise(PointeeEquals(), - std::vector<int>{1, 2}))); - helper.Call(MakeUniquePtrs({2, 1})); -} - -// Sample optional type implementation with minimal requirements for use with -// Optional matcher. -template <typename T> -class SampleOptional { - public: - using value_type = T; - explicit SampleOptional(T value) - : value_(std::move(value)), has_value_(true) {} - SampleOptional() : value_(), has_value_(false) {} - operator bool() const { return has_value_; } - const T& operator*() const { return value_; } - - private: - T value_; - bool has_value_; -}; - -TEST(OptionalTest, DescribesSelf) { - const Matcher<SampleOptional<int>> m = Optional(Eq(1)); - EXPECT_EQ("value is equal to 1", Describe(m)); -} - -TEST(OptionalTest, ExplainsSelf) { - const Matcher<SampleOptional<int>> m = Optional(Eq(1)); - EXPECT_EQ("whose value 1 matches", Explain(m, SampleOptional<int>(1))); - EXPECT_EQ("whose value 2 doesn't match", Explain(m, SampleOptional<int>(2))); -} - -TEST(OptionalTest, MatchesNonEmptyOptional) { - const Matcher<SampleOptional<int>> m1 = Optional(1); - const Matcher<SampleOptional<int>> m2 = Optional(Eq(2)); - const Matcher<SampleOptional<int>> m3 = Optional(Lt(3)); - SampleOptional<int> opt(1); - EXPECT_TRUE(m1.Matches(opt)); - EXPECT_FALSE(m2.Matches(opt)); - EXPECT_TRUE(m3.Matches(opt)); -} - -TEST(OptionalTest, DoesNotMatchNullopt) { - const Matcher<SampleOptional<int>> m = Optional(1); - SampleOptional<int> empty; - EXPECT_FALSE(m.Matches(empty)); -} - -TEST(OptionalTest, WorksWithMoveOnly) { - Matcher<SampleOptional<std::unique_ptr<int>>> m = Optional(Eq(nullptr)); - EXPECT_TRUE(m.Matches(SampleOptional<std::unique_ptr<int>>(nullptr))); -} - -class SampleVariantIntString { - public: - SampleVariantIntString(int i) : i_(i), has_int_(true) {} - SampleVariantIntString(const std::string& s) : s_(s), has_int_(false) {} - - template <typename T> - friend bool holds_alternative(const SampleVariantIntString& value) { - return value.has_int_ == std::is_same<T, int>::value; - } - - template <typename T> - friend const T& get(const SampleVariantIntString& value) { - return value.get_impl(static_cast<T*>(nullptr)); - } - - private: - const int& get_impl(int*) const { return i_; } - const std::string& get_impl(std::string*) const { return s_; } - - int i_; - std::string s_; - bool has_int_; -}; - -TEST(VariantTest, DescribesSelf) { - const Matcher<SampleVariantIntString> m = VariantWith<int>(Eq(1)); - EXPECT_THAT(Describe(m), ContainsRegex("is a variant<> with value of type " - "'.*' and the value is equal to 1")); -} - -TEST(VariantTest, ExplainsSelf) { - const Matcher<SampleVariantIntString> m = VariantWith<int>(Eq(1)); - EXPECT_THAT(Explain(m, SampleVariantIntString(1)), - ContainsRegex("whose value 1")); - EXPECT_THAT(Explain(m, SampleVariantIntString("A")), - HasSubstr("whose value is not of type '")); - EXPECT_THAT(Explain(m, SampleVariantIntString(2)), - "whose value 2 doesn't match"); -} - -TEST(VariantTest, FullMatch) { - Matcher<SampleVariantIntString> m = VariantWith<int>(Eq(1)); - EXPECT_TRUE(m.Matches(SampleVariantIntString(1))); - - m = VariantWith<std::string>(Eq("1")); - EXPECT_TRUE(m.Matches(SampleVariantIntString("1"))); -} - -TEST(VariantTest, TypeDoesNotMatch) { - Matcher<SampleVariantIntString> m = VariantWith<int>(Eq(1)); - EXPECT_FALSE(m.Matches(SampleVariantIntString("1"))); - - m = VariantWith<std::string>(Eq("1")); - EXPECT_FALSE(m.Matches(SampleVariantIntString(1))); -} - -TEST(VariantTest, InnerDoesNotMatch) { - Matcher<SampleVariantIntString> m = VariantWith<int>(Eq(1)); - EXPECT_FALSE(m.Matches(SampleVariantIntString(2))); - - m = VariantWith<std::string>(Eq("1")); - EXPECT_FALSE(m.Matches(SampleVariantIntString("2"))); -} - -class SampleAnyType { - public: - explicit SampleAnyType(int i) : index_(0), i_(i) {} - explicit SampleAnyType(const std::string& s) : index_(1), s_(s) {} - - template <typename T> - friend const T* any_cast(const SampleAnyType* any) { - return any->get_impl(static_cast<T*>(nullptr)); - } - - private: - int index_; - int i_; - std::string s_; - - const int* get_impl(int*) const { return index_ == 0 ? &i_ : nullptr; } - const std::string* get_impl(std::string*) const { - return index_ == 1 ? &s_ : nullptr; - } -}; - -TEST(AnyWithTest, FullMatch) { - Matcher<SampleAnyType> m = AnyWith<int>(Eq(1)); - EXPECT_TRUE(m.Matches(SampleAnyType(1))); -} - -TEST(AnyWithTest, TestBadCastType) { - Matcher<SampleAnyType> m = AnyWith<std::string>(Eq("fail")); - EXPECT_FALSE(m.Matches(SampleAnyType(1))); -} - -TEST(AnyWithTest, TestUseInContainers) { - std::vector<SampleAnyType> a; - a.emplace_back(1); - a.emplace_back(2); - a.emplace_back(3); - EXPECT_THAT( - a, ElementsAreArray({AnyWith<int>(1), AnyWith<int>(2), AnyWith<int>(3)})); - - std::vector<SampleAnyType> b; - b.emplace_back("hello"); - b.emplace_back("merhaba"); - b.emplace_back("salut"); - EXPECT_THAT(b, ElementsAreArray({AnyWith<std::string>("hello"), - AnyWith<std::string>("merhaba"), - AnyWith<std::string>("salut")})); -} -TEST(AnyWithTest, TestCompare) { - EXPECT_THAT(SampleAnyType(1), AnyWith<int>(Gt(0))); -} - -TEST(AnyWithTest, DescribesSelf) { - const Matcher<const SampleAnyType&> m = AnyWith<int>(Eq(1)); - EXPECT_THAT(Describe(m), ContainsRegex("is an 'any' type with value of type " - "'.*' and the value is equal to 1")); -} - -TEST(AnyWithTest, ExplainsSelf) { - const Matcher<const SampleAnyType&> m = AnyWith<int>(Eq(1)); - - EXPECT_THAT(Explain(m, SampleAnyType(1)), ContainsRegex("whose value 1")); - EXPECT_THAT(Explain(m, SampleAnyType("A")), - HasSubstr("whose value is not of type '")); - EXPECT_THAT(Explain(m, SampleAnyType(2)), "whose value 2 doesn't match"); -} - -TEST(PointeeTest, WorksOnMoveOnlyType) { - std::unique_ptr<int> p(new int(3)); - EXPECT_THAT(p, Pointee(Eq(3))); - EXPECT_THAT(p, Not(Pointee(Eq(2)))); -} - -TEST(NotTest, WorksOnMoveOnlyType) { - std::unique_ptr<int> p(new int(3)); - EXPECT_THAT(p, Pointee(Eq(3))); - EXPECT_THAT(p, Not(Pointee(Eq(2)))); -} - -// Tests Args<k0, ..., kn>(m). - -TEST(ArgsTest, AcceptsZeroTemplateArg) { - const std::tuple<int, bool> t(5, true); - EXPECT_THAT(t, Args<>(Eq(std::tuple<>()))); - EXPECT_THAT(t, Not(Args<>(Ne(std::tuple<>())))); -} - -TEST(ArgsTest, AcceptsOneTemplateArg) { - const std::tuple<int, bool> t(5, true); - EXPECT_THAT(t, Args<0>(Eq(std::make_tuple(5)))); - EXPECT_THAT(t, Args<1>(Eq(std::make_tuple(true)))); - EXPECT_THAT(t, Not(Args<1>(Eq(std::make_tuple(false))))); -} - -TEST(ArgsTest, AcceptsTwoTemplateArgs) { - const std::tuple<short, int, long> t(4, 5, 6L); // NOLINT - - EXPECT_THAT(t, (Args<0, 1>(Lt()))); - EXPECT_THAT(t, (Args<1, 2>(Lt()))); - EXPECT_THAT(t, Not(Args<0, 2>(Gt()))); -} - -TEST(ArgsTest, AcceptsRepeatedTemplateArgs) { - const std::tuple<short, int, long> t(4, 5, 6L); // NOLINT - EXPECT_THAT(t, (Args<0, 0>(Eq()))); - EXPECT_THAT(t, Not(Args<1, 1>(Ne()))); -} - -TEST(ArgsTest, AcceptsDecreasingTemplateArgs) { - const std::tuple<short, int, long> t(4, 5, 6L); // NOLINT - EXPECT_THAT(t, (Args<2, 0>(Gt()))); - EXPECT_THAT(t, Not(Args<2, 1>(Lt()))); -} - -MATCHER(SumIsZero, "") { - return std::get<0>(arg) + std::get<1>(arg) + std::get<2>(arg) == 0; -} - -TEST(ArgsTest, AcceptsMoreTemplateArgsThanArityOfOriginalTuple) { - EXPECT_THAT(std::make_tuple(-1, 2), (Args<0, 0, 1>(SumIsZero()))); - EXPECT_THAT(std::make_tuple(1, 2), Not(Args<0, 0, 1>(SumIsZero()))); -} - -TEST(ArgsTest, CanBeNested) { - const std::tuple<short, int, long, int> t(4, 5, 6L, 6); // NOLINT - EXPECT_THAT(t, (Args<1, 2, 3>(Args<1, 2>(Eq())))); - EXPECT_THAT(t, (Args<0, 1, 3>(Args<0, 2>(Lt())))); -} - -TEST(ArgsTest, CanMatchTupleByValue) { - typedef std::tuple<char, int, int> Tuple3; - const Matcher<Tuple3> m = Args<1, 2>(Lt()); - EXPECT_TRUE(m.Matches(Tuple3('a', 1, 2))); - EXPECT_FALSE(m.Matches(Tuple3('b', 2, 2))); -} - -TEST(ArgsTest, CanMatchTupleByReference) { - typedef std::tuple<char, char, int> Tuple3; - const Matcher<const Tuple3&> m = Args<0, 1>(Lt()); - EXPECT_TRUE(m.Matches(Tuple3('a', 'b', 2))); - EXPECT_FALSE(m.Matches(Tuple3('b', 'b', 2))); -} - -// Validates that arg is printed as str. -MATCHER_P(PrintsAs, str, "") { - return testing::PrintToString(arg) == str; -} - -TEST(ArgsTest, AcceptsTenTemplateArgs) { - EXPECT_THAT(std::make_tuple(0, 1L, 2, 3L, 4, 5, 6, 7, 8, 9), - (Args<9, 8, 7, 6, 5, 4, 3, 2, 1, 0>( - PrintsAs("(9, 8, 7, 6, 5, 4, 3, 2, 1, 0)")))); - EXPECT_THAT(std::make_tuple(0, 1L, 2, 3L, 4, 5, 6, 7, 8, 9), - Not(Args<9, 8, 7, 6, 5, 4, 3, 2, 1, 0>( - PrintsAs("(0, 8, 7, 6, 5, 4, 3, 2, 1, 0)")))); -} - -TEST(ArgsTest, DescirbesSelfCorrectly) { - const Matcher<std::tuple<int, bool, char> > m = Args<2, 0>(Lt()); - EXPECT_EQ("are a tuple whose fields (#2, #0) are a pair where " - "the first < the second", - Describe(m)); -} - -TEST(ArgsTest, DescirbesNestedArgsCorrectly) { - const Matcher<const std::tuple<int, bool, char, int>&> m = - Args<0, 2, 3>(Args<2, 0>(Lt())); - EXPECT_EQ("are a tuple whose fields (#0, #2, #3) are a tuple " - "whose fields (#2, #0) are a pair where the first < the second", - Describe(m)); -} - -TEST(ArgsTest, DescribesNegationCorrectly) { - const Matcher<std::tuple<int, char> > m = Args<1, 0>(Gt()); - EXPECT_EQ("are a tuple whose fields (#1, #0) aren't a pair " - "where the first > the second", - DescribeNegation(m)); -} - -TEST(ArgsTest, ExplainsMatchResultWithoutInnerExplanation) { - const Matcher<std::tuple<bool, int, int> > m = Args<1, 2>(Eq()); - EXPECT_EQ("whose fields (#1, #2) are (42, 42)", - Explain(m, std::make_tuple(false, 42, 42))); - EXPECT_EQ("whose fields (#1, #2) are (42, 43)", - Explain(m, std::make_tuple(false, 42, 43))); -} - -// For testing Args<>'s explanation. -class LessThanMatcher : public MatcherInterface<std::tuple<char, int> > { - public: - void DescribeTo(::std::ostream* /*os*/) const override {} - - bool MatchAndExplain(std::tuple<char, int> value, - MatchResultListener* listener) const override { - const int diff = std::get<0>(value) - std::get<1>(value); - if (diff > 0) { - *listener << "where the first value is " << diff - << " more than the second"; - } - return diff < 0; - } -}; - -Matcher<std::tuple<char, int> > LessThan() { - return MakeMatcher(new LessThanMatcher); -} - -TEST(ArgsTest, ExplainsMatchResultWithInnerExplanation) { - const Matcher<std::tuple<char, int, int> > m = Args<0, 2>(LessThan()); - EXPECT_EQ( - "whose fields (#0, #2) are ('a' (97, 0x61), 42), " - "where the first value is 55 more than the second", - Explain(m, std::make_tuple('a', 42, 42))); - EXPECT_EQ("whose fields (#0, #2) are ('\\0', 43)", - Explain(m, std::make_tuple('\0', 42, 43))); -} - -class PredicateFormatterFromMatcherTest : public ::testing::Test { - protected: - enum Behavior { kInitialSuccess, kAlwaysFail, kFlaky }; - - // A matcher that can return different results when used multiple times on the - // same input. No real matcher should do this; but this lets us test that we - // detect such behavior and fail appropriately. - class MockMatcher : public MatcherInterface<Behavior> { - public: - bool MatchAndExplain(Behavior behavior, - MatchResultListener* listener) const override { - *listener << "[MatchAndExplain]"; - switch (behavior) { - case kInitialSuccess: - // The first call to MatchAndExplain should use a "not interested" - // listener; so this is expected to return |true|. There should be no - // subsequent calls. - return !listener->IsInterested(); - - case kAlwaysFail: - return false; - - case kFlaky: - // The first call to MatchAndExplain should use a "not interested" - // listener; so this will return |false|. Subsequent calls should have - // an "interested" listener; so this will return |true|, thus - // simulating a flaky matcher. - return listener->IsInterested(); - } - - GTEST_LOG_(FATAL) << "This should never be reached"; - return false; - } - - void DescribeTo(ostream* os) const override { *os << "[DescribeTo]"; } - - void DescribeNegationTo(ostream* os) const override { - *os << "[DescribeNegationTo]"; - } - }; - - AssertionResult RunPredicateFormatter(Behavior behavior) { - auto matcher = MakeMatcher(new MockMatcher); - PredicateFormatterFromMatcher<Matcher<Behavior>> predicate_formatter( - matcher); - return predicate_formatter("dummy-name", behavior); - } -}; - -TEST_F(PredicateFormatterFromMatcherTest, ShortCircuitOnSuccess) { - AssertionResult result = RunPredicateFormatter(kInitialSuccess); - EXPECT_TRUE(result); // Implicit cast to bool. - std::string expect; - EXPECT_EQ(expect, result.message()); -} - -TEST_F(PredicateFormatterFromMatcherTest, NoShortCircuitOnFailure) { - AssertionResult result = RunPredicateFormatter(kAlwaysFail); - EXPECT_FALSE(result); // Implicit cast to bool. - std::string expect = - "Value of: dummy-name\nExpected: [DescribeTo]\n" - " Actual: 1, [MatchAndExplain]"; - EXPECT_EQ(expect, result.message()); -} - -TEST_F(PredicateFormatterFromMatcherTest, DetectsFlakyShortCircuit) { - AssertionResult result = RunPredicateFormatter(kFlaky); - EXPECT_FALSE(result); // Implicit cast to bool. - std::string expect = - "Value of: dummy-name\nExpected: [DescribeTo]\n" - " The matcher failed on the initial attempt; but passed when rerun to " - "generate the explanation.\n" - " Actual: 2, [MatchAndExplain]"; - EXPECT_EQ(expect, result.message()); -} - -} // namespace -} // namespace gmock_matchers_test -} // namespace testing - -#ifdef _MSC_VER -# pragma warning(pop) -#endif diff --git a/googlemock/test/gmock-matchers_test.h b/googlemock/test/gmock-matchers_test.h new file mode 100644 index 000000000000..56956076dae0 --- /dev/null +++ b/googlemock/test/gmock-matchers_test.h @@ -0,0 +1,192 @@ +// Copyright 2007, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Google Mock - a framework for writing C++ mock classes. +// +// This file tests some commonly used argument matchers. + +#ifndef GOOGLEMOCK_TEST_GMOCK_MATCHERS_TEST_H_ +#define GOOGLEMOCK_TEST_GMOCK_MATCHERS_TEST_H_ + +#include <string.h> +#include <time.h> + +#include <array> +#include <cstdint> +#include <deque> +#include <forward_list> +#include <functional> +#include <iostream> +#include <iterator> +#include <limits> +#include <list> +#include <map> +#include <memory> +#include <set> +#include <sstream> +#include <string> +#include <type_traits> +#include <unordered_map> +#include <unordered_set> +#include <utility> +#include <vector> + +#include "gmock/gmock-matchers.h" +#include "gmock/gmock-more-matchers.h" +#include "gmock/gmock.h" +#include "gtest/gtest-spi.h" +#include "gtest/gtest.h" + +namespace testing { +namespace gmock_matchers_test { + +using std::greater; +using std::less; +using std::list; +using std::make_pair; +using std::map; +using std::multimap; +using std::multiset; +using std::ostream; +using std::pair; +using std::set; +using std::stringstream; +using std::vector; +using testing::internal::DummyMatchResultListener; +using testing::internal::ElementMatcherPair; +using testing::internal::ElementMatcherPairs; +using testing::internal::ElementsAreArrayMatcher; +using testing::internal::ExplainMatchFailureTupleTo; +using testing::internal::FloatingEqMatcher; +using testing::internal::FormatMatcherDescription; +using testing::internal::IsReadableTypeName; +using testing::internal::MatchMatrix; +using testing::internal::PredicateFormatterFromMatcher; +using testing::internal::RE; +using testing::internal::StreamMatchResultListener; +using testing::internal::Strings; + +// Helper for testing container-valued matchers in mock method context. It is +// important to test matchers in this context, since it requires additional type +// deduction beyond what EXPECT_THAT does, thus making it more restrictive. +struct ContainerHelper { + MOCK_METHOD1(Call, void(std::vector<std::unique_ptr<int>>)); +}; + +// For testing ExplainMatchResultTo(). +template <typename T> +struct GtestGreaterThanMatcher { + using is_gtest_matcher = void; + + void DescribeTo(ostream* os) const { *os << "is > " << rhs; } + void DescribeNegationTo(ostream* os) const { *os << "is <= " << rhs; } + + bool MatchAndExplain(T lhs, MatchResultListener* listener) const { + if (lhs > rhs) { + *listener << "which is " << (lhs - rhs) << " more than " << rhs; + } else if (lhs == rhs) { + *listener << "which is the same as " << rhs; + } else { + *listener << "which is " << (rhs - lhs) << " less than " << rhs; + } + + return lhs > rhs; + } + + T rhs; +}; + +template <typename T> +GtestGreaterThanMatcher<typename std::decay<T>::type> GtestGreaterThan( + T&& rhs) { + return {rhs}; +} + +// As the matcher above, but using the base class with virtual functions. +template <typename T> +class GreaterThanMatcher : public MatcherInterface<T> { + public: + explicit GreaterThanMatcher(T rhs) : impl_{rhs} {} + + void DescribeTo(ostream* os) const override { impl_.DescribeTo(os); } + void DescribeNegationTo(ostream* os) const override { + impl_.DescribeNegationTo(os); + } + + bool MatchAndExplain(T lhs, MatchResultListener* listener) const override { + return impl_.MatchAndExplain(lhs, listener); + } + + private: + const GtestGreaterThanMatcher<T> impl_; +}; + +// Names and instantiates a new instance of GTestMatcherTestP. +#define INSTANTIATE_GTEST_MATCHER_TEST_P(TestSuite) \ + using TestSuite##P = GTestMatcherTestP; \ + INSTANTIATE_TEST_SUITE_P(MatcherInterface, TestSuite##P, Values(false)); \ + INSTANTIATE_TEST_SUITE_P(GtestMatcher, TestSuite##P, Values(true)) + +class GTestMatcherTestP : public testing::TestWithParam<bool> { + public: + template <typename T> + Matcher<T> GreaterThan(T n) { + if (use_gtest_matcher_) { + return GtestGreaterThan(n); + } else { + return MakeMatcher(new GreaterThanMatcher<T>(n)); + } + } + const bool use_gtest_matcher_ = GetParam(); +}; + +// Returns the description of the given matcher. +template <typename T> +std::string Describe(const Matcher<T>& m) { + return DescribeMatcher<T>(m); +} + +// Returns the description of the negation of the given matcher. +template <typename T> +std::string DescribeNegation(const Matcher<T>& m) { + return DescribeMatcher<T>(m, true); +} + +// Returns the reason why x matches, or doesn't match, m. +template <typename MatcherType, typename Value> +std::string Explain(const MatcherType& m, const Value& x) { + StringMatchResultListener listener; + ExplainMatchResult(m, x, &listener); + return listener.str(); +} + +} // namespace gmock_matchers_test +} // namespace testing + +#endif // GOOGLEMOCK_TEST_GMOCK_MATCHERS_TEST_H_ diff --git a/googlemock/test/gmock-more-actions_test.cc b/googlemock/test/gmock-more-actions_test.cc index 97ec5cf08f3f..9980f3bc4567 100644 --- a/googlemock/test/gmock-more-actions_test.cc +++ b/googlemock/test/gmock-more-actions_test.cc @@ -27,31 +27,35 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - // Google Mock - a framework for writing C++ mock classes. // -// This file tests the built-in actions in gmock-more-actions.h. +// This file tests the built-in actions in gmock-actions.h. #include "gmock/gmock-more-actions.h" +#include <algorithm> #include <functional> +#include <iterator> #include <memory> #include <sstream> #include <string> +#include <tuple> +#include <vector> + #include "gmock/gmock.h" +#include "gtest/gtest-spi.h" #include "gtest/gtest.h" +GTEST_DISABLE_MSC_WARNINGS_PUSH_(4577) + namespace testing { namespace gmock_more_actions_test { using ::std::plus; using ::std::string; -using testing::_; using testing::Action; -using testing::ActionInterface; using testing::DeleteArg; using testing::Invoke; -using testing::Return; using testing::ReturnArg; using testing::ReturnPointee; using testing::SaveArg; @@ -68,55 +72,27 @@ inline char Char(char ch) { return ch; } // Sample functions and functors for testing Invoke() and etc. int Nullary() { return 1; } -class NullaryFunctor { - public: - int operator()() { return 2; } -}; - bool g_done = false; -void VoidNullary() { g_done = true; } - -class VoidNullaryFunctor { - public: - void operator()() { g_done = true; } -}; bool Unary(int x) { return x < 0; } -const char* Plus1(const char* s) { return s + 1; } - -void VoidUnary(int /* n */) { g_done = true; } - bool ByConstRef(const std::string& s) { return s == "Hi"; } const double g_double = 0; bool ReferencesGlobalDouble(const double& x) { return &x == &g_double; } -std::string ByNonConstRef(std::string& s) { return s += "+"; } // NOLINT - struct UnaryFunctor { int operator()(bool x) { return x ? 1 : -1; } }; const char* Binary(const char* input, short n) { return input + n; } // NOLINT -void VoidBinary(int, char) { g_done = true; } - int Ternary(int x, char y, short z) { return x + y + z; } // NOLINT -void VoidTernary(int, char, bool) { g_done = true; } - int SumOf4(int a, int b, int c, int d) { return a + b + c + d; } int SumOfFirst2(int a, int b, Unused, Unused) { return a + b; } -void VoidFunctionWithFourArguments(char, int, float, double) { g_done = true; } - -std::string Concat4(const char* s1, const char* s2, const char* s3, - const char* s4) { - return std::string(s1) + s2 + s3 + s4; -} - int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; } struct SumOf5Functor { @@ -125,11 +101,6 @@ struct SumOf5Functor { } }; -std::string Concat5(const char* s1, const char* s2, const char* s3, - const char* s4, const char* s5) { - return std::string(s1) + s2 + s3 + s4 + s5; -} - int SumOf6(int a, int b, int c, int d, int e, int f) { return a + b + c + d + e + f; } @@ -140,11 +111,6 @@ struct SumOf6Functor { } }; -std::string Concat6(const char* s1, const char* s2, const char* s3, - const char* s4, const char* s5, const char* s6) { - return std::string(s1) + s2 + s3 + s4 + s5 + s6; -} - std::string Concat7(const char* s1, const char* s2, const char* s3, const char* s4, const char* s5, const char* s6, const char* s7) { @@ -180,7 +146,7 @@ class Foo { std::string Binary(const std::string& str, char c) const { return str + c; } - int Ternary(int x, bool y, char z) { return value_ + x + y*z; } + int Ternary(int x, bool y, char z) { return value_ + x + y * z; } int SumOf4(int a, int b, int c, int d) const { return a + b + c + d + value_; @@ -326,8 +292,7 @@ TEST(InvokeTest, FunctionWithUnusedParameters) { std::make_tuple(10, 2, 5.6, std::string("hi")); EXPECT_EQ(12, a1.Perform(dummy)); - Action<int(int, int, bool, int*)> a2 = - Invoke(SumOfFirst2); + Action<int(int, int, bool, int*)> a2 = Invoke(SumOfFirst2); EXPECT_EQ( 23, a2.Perform(std::make_tuple(20, 3, true, static_cast<int*>(nullptr)))); } @@ -338,8 +303,7 @@ TEST(InvokeTest, MethodWithUnusedParameters) { Action<int(std::string, bool, int, int)> a1 = Invoke(&foo, &Foo::SumOfLast2); EXPECT_EQ(12, a1.Perform(std::make_tuple(CharPtr("hi"), true, 10, 2))); - Action<int(char, double, int, int)> a2 = - Invoke(&foo, &Foo::SumOfLast2); + Action<int(char, double, int, int)> a2 = Invoke(&foo, &Foo::SumOfLast2); EXPECT_EQ(23, a2.Perform(std::make_tuple('a', 2.5, 20, 3))); } @@ -397,7 +361,8 @@ TEST(InvokeMethodTest, MethodThatTakes4Arguments) { // Tests using Invoke() with a 5-argument method. TEST(InvokeMethodTest, MethodThatTakes5Arguments) { Foo foo; - Action<int(int, int, int, int, int)> a = Invoke(&foo, &Foo::SumOf5); // NOLINT + Action<int(int, int, int, int, int)> a = + Invoke(&foo, &Foo::SumOf5); // NOLINT EXPECT_EQ(12345, a.Perform(std::make_tuple(10000, 2000, 300, 40, 5))); } @@ -497,6 +462,12 @@ TEST(ReturnArgActionTest, WorksForMultiArgStringArg2) { EXPECT_EQ("seven", a.Perform(std::make_tuple(5, 6, std::string("seven"), 8))); } +TEST(ReturnArgActionTest, WorksForNonConstRefArg0) { + const Action<std::string&(std::string&)> a = ReturnArg<0>(); + std::string s = "12345"; + EXPECT_EQ(&s, &a.Perform(std::forward_as_tuple(s))); +} + TEST(SaveArgActionTest, WorksForSameType) { int result = 0; const Action<void(int n)> a1 = SaveArg<0>(&result); @@ -552,15 +523,12 @@ TEST(SetArgRefereeActionTest, WorksWithExtraArguments) { // the bool provided to the constructor to true when destroyed. class DeletionTester { public: - explicit DeletionTester(bool* is_deleted) - : is_deleted_(is_deleted) { + explicit DeletionTester(bool* is_deleted) : is_deleted_(is_deleted) { // Make sure the bit is set to false. *is_deleted_ = false; } - ~DeletionTester() { - *is_deleted_ = true; - } + ~DeletionTester() { *is_deleted_ = true; } private: bool* is_deleted_; @@ -569,7 +537,7 @@ class DeletionTester { TEST(DeleteArgActionTest, OneArg) { bool is_deleted = false; DeletionTester* t = new DeletionTester(&is_deleted); - const Action<void(DeletionTester*)> a1 = DeleteArg<0>(); // NOLINT + const Action<void(DeletionTester*)> a1 = DeleteArg<0>(); // NOLINT EXPECT_FALSE(is_deleted); a1.Perform(std::make_tuple(t)); EXPECT_TRUE(is_deleted); @@ -578,8 +546,9 @@ TEST(DeleteArgActionTest, OneArg) { TEST(DeleteArgActionTest, TenArgs) { bool is_deleted = false; DeletionTester* t = new DeletionTester(&is_deleted); - const Action<void(bool, int, int, const char*, bool, - int, int, int, int, DeletionTester*)> a1 = DeleteArg<9>(); + const Action<void(bool, int, int, const char*, bool, int, int, int, int, + DeletionTester*)> + a1 = DeleteArg<9>(); EXPECT_FALSE(is_deleted); a1.Perform(std::make_tuple(true, 5, 6, CharPtr("hi"), false, 7, 8, 9, 10, t)); EXPECT_TRUE(is_deleted); @@ -604,13 +573,40 @@ TEST(ThrowActionTest, ThrowsGivenExceptionInNullaryFunction) { EXPECT_THROW(a.Perform(std::make_tuple()), MyException); } +class Object { + public: + virtual ~Object() {} + virtual void Func() {} +}; + +class MockObject : public Object { + public: + ~MockObject() override {} + MOCK_METHOD(void, Func, (), (override)); +}; + +TEST(ThrowActionTest, Times0) { + EXPECT_NONFATAL_FAILURE( + [] { + try { + MockObject m; + ON_CALL(m, Func()).WillByDefault([] { throw "something"; }); + EXPECT_CALL(m, Func()).Times(0); + m.Func(); + } catch (...) { + // Exception is caught but Times(0) still triggers a failure. + } + }(), + ""); +} + #endif // GTEST_HAS_EXCEPTIONS // Tests that SetArrayArgument<N>(first, last) sets the elements of the array // pointed to by the N-th (0-based) argument to values in range [first, last). TEST(SetArrayArgumentTest, SetsTheNthArray) { - typedef void MyFunction(bool, int*, char*); - int numbers[] = { 1, 2, 3 }; + using MyFunction = void(bool, int*, char*); + int numbers[] = {1, 2, 3}; Action<MyFunction> a = SetArrayArgument<1>(numbers, numbers + 3); int n[4] = {}; @@ -645,8 +641,8 @@ TEST(SetArrayArgumentTest, SetsTheNthArray) { // Tests SetArrayArgument<N>(first, last) where first == last. TEST(SetArrayArgumentTest, SetsTheNthArrayWithEmptyRange) { - typedef void MyFunction(bool, int*); - int numbers[] = { 1, 2, 3 }; + using MyFunction = void(bool, int*); + int numbers[] = {1, 2, 3}; Action<MyFunction> a = SetArrayArgument<1>(numbers, numbers); int n[4] = {}; @@ -661,11 +657,11 @@ TEST(SetArrayArgumentTest, SetsTheNthArrayWithEmptyRange) { // Tests SetArrayArgument<N>(first, last) where *first is convertible // (but not equal) to the argument type. TEST(SetArrayArgumentTest, SetsTheNthArrayWithConvertibleType) { - typedef void MyFunction(bool, int*); - char chars[] = { 97, 98, 99 }; + using MyFunction = void(bool, int*); + char chars[] = {97, 98, 99}; Action<MyFunction> a = SetArrayArgument<1>(chars, chars + 3); - int codes[4] = { 111, 222, 333, 444 }; + int codes[4] = {111, 222, 333, 444}; int* pcodes = codes; a.Perform(std::make_tuple(true, pcodes)); EXPECT_EQ(97, codes[0]); @@ -676,12 +672,12 @@ TEST(SetArrayArgumentTest, SetsTheNthArrayWithConvertibleType) { // Test SetArrayArgument<N>(first, last) with iterator as argument. TEST(SetArrayArgumentTest, SetsTheNthArrayWithIteratorArgument) { - typedef void MyFunction(bool, std::back_insert_iterator<std::string>); + using MyFunction = void(bool, std::back_insert_iterator<std::string>); std::string letters = "abc"; Action<MyFunction> a = SetArrayArgument<1>(letters.begin(), letters.end()); std::string s; - a.Perform(std::make_tuple(true, back_inserter(s))); + a.Perform(std::make_tuple(true, std::back_inserter(s))); EXPECT_EQ(letters, s); } @@ -694,5 +690,861 @@ TEST(ReturnPointeeTest, Works) { EXPECT_EQ(43, a.Perform(std::make_tuple())); } -} // namespace gmock_generated_actions_test +// Tests InvokeArgument<N>(...). + +// Tests using InvokeArgument with a nullary function. +TEST(InvokeArgumentTest, Function0) { + Action<int(int, int (*)())> a = InvokeArgument<1>(); // NOLINT + EXPECT_EQ(1, a.Perform(std::make_tuple(2, &Nullary))); +} + +// Tests using InvokeArgument with a unary function. +TEST(InvokeArgumentTest, Functor1) { + Action<int(UnaryFunctor)> a = InvokeArgument<0>(true); // NOLINT + EXPECT_EQ(1, a.Perform(std::make_tuple(UnaryFunctor()))); +} + +// Tests using InvokeArgument with a 5-ary function. +TEST(InvokeArgumentTest, Function5) { + Action<int(int (*)(int, int, int, int, int))> a = // NOLINT + InvokeArgument<0>(10000, 2000, 300, 40, 5); + EXPECT_EQ(12345, a.Perform(std::make_tuple(&SumOf5))); +} + +// Tests using InvokeArgument with a 5-ary functor. +TEST(InvokeArgumentTest, Functor5) { + Action<int(SumOf5Functor)> a = // NOLINT + InvokeArgument<0>(10000, 2000, 300, 40, 5); + EXPECT_EQ(12345, a.Perform(std::make_tuple(SumOf5Functor()))); +} + +// Tests using InvokeArgument with a 6-ary function. +TEST(InvokeArgumentTest, Function6) { + Action<int(int (*)(int, int, int, int, int, int))> a = // NOLINT + InvokeArgument<0>(100000, 20000, 3000, 400, 50, 6); + EXPECT_EQ(123456, a.Perform(std::make_tuple(&SumOf6))); +} + +// Tests using InvokeArgument with a 6-ary functor. +TEST(InvokeArgumentTest, Functor6) { + Action<int(SumOf6Functor)> a = // NOLINT + InvokeArgument<0>(100000, 20000, 3000, 400, 50, 6); + EXPECT_EQ(123456, a.Perform(std::make_tuple(SumOf6Functor()))); +} + +// Tests using InvokeArgument with a 7-ary function. +TEST(InvokeArgumentTest, Function7) { + Action<std::string(std::string(*)(const char*, const char*, const char*, + const char*, const char*, const char*, + const char*))> + a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7"); + EXPECT_EQ("1234567", a.Perform(std::make_tuple(&Concat7))); +} + +// Tests using InvokeArgument with a 8-ary function. +TEST(InvokeArgumentTest, Function8) { + Action<std::string(std::string(*)(const char*, const char*, const char*, + const char*, const char*, const char*, + const char*, const char*))> + a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8"); + EXPECT_EQ("12345678", a.Perform(std::make_tuple(&Concat8))); +} + +// Tests using InvokeArgument with a 9-ary function. +TEST(InvokeArgumentTest, Function9) { + Action<std::string(std::string(*)(const char*, const char*, const char*, + const char*, const char*, const char*, + const char*, const char*, const char*))> + a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9"); + EXPECT_EQ("123456789", a.Perform(std::make_tuple(&Concat9))); +} + +// Tests using InvokeArgument with a 10-ary function. +TEST(InvokeArgumentTest, Function10) { + Action<std::string(std::string(*)( + const char*, const char*, const char*, const char*, const char*, + const char*, const char*, const char*, const char*, const char*))> + a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9", "0"); + EXPECT_EQ("1234567890", a.Perform(std::make_tuple(&Concat10))); +} + +// Tests using InvokeArgument with a function that takes a pointer argument. +TEST(InvokeArgumentTest, ByPointerFunction) { + Action<const char*(const char* (*)(const char* input, short n))> // NOLINT + a = InvokeArgument<0>(static_cast<const char*>("Hi"), Short(1)); + EXPECT_STREQ("i", a.Perform(std::make_tuple(&Binary))); +} + +// Tests using InvokeArgument with a function that takes a const char* +// by passing it a C-string literal. +TEST(InvokeArgumentTest, FunctionWithCStringLiteral) { + Action<const char*(const char* (*)(const char* input, short n))> // NOLINT + a = InvokeArgument<0>("Hi", Short(1)); + EXPECT_STREQ("i", a.Perform(std::make_tuple(&Binary))); +} + +// Tests using InvokeArgument with a function that takes a const reference. +TEST(InvokeArgumentTest, ByConstReferenceFunction) { + Action<bool(bool (*function)(const std::string& s))> a = // NOLINT + InvokeArgument<0>(std::string("Hi")); + // When action 'a' is constructed, it makes a copy of the temporary + // string object passed to it, so it's OK to use 'a' later, when the + // temporary object has already died. + EXPECT_TRUE(a.Perform(std::make_tuple(&ByConstRef))); +} + +// Tests using InvokeArgument with ByRef() and a function that takes a +// const reference. +TEST(InvokeArgumentTest, ByExplicitConstReferenceFunction) { + Action<bool(bool (*)(const double& x))> a = // NOLINT + InvokeArgument<0>(ByRef(g_double)); + // The above line calls ByRef() on a const value. + EXPECT_TRUE(a.Perform(std::make_tuple(&ReferencesGlobalDouble))); + + double x = 0; + a = InvokeArgument<0>(ByRef(x)); // This calls ByRef() on a non-const. + EXPECT_FALSE(a.Perform(std::make_tuple(&ReferencesGlobalDouble))); +} + +// Tests DoAll(a1, a2). +TEST(DoAllTest, TwoActions) { + int n = 0; + Action<int(int*)> a = DoAll(SetArgPointee<0>(1), // NOLINT + Return(2)); + EXPECT_EQ(2, a.Perform(std::make_tuple(&n))); + EXPECT_EQ(1, n); +} + +// Tests DoAll(a1, a2, a3). +TEST(DoAllTest, ThreeActions) { + int m = 0, n = 0; + Action<int(int*, int*)> a = DoAll(SetArgPointee<0>(1), // NOLINT + SetArgPointee<1>(2), Return(3)); + EXPECT_EQ(3, a.Perform(std::make_tuple(&m, &n))); + EXPECT_EQ(1, m); + EXPECT_EQ(2, n); +} + +// Tests DoAll(a1, a2, a3, a4). +TEST(DoAllTest, FourActions) { + int m = 0, n = 0; + char ch = '\0'; + Action<int(int*, int*, char*)> a = // NOLINT + DoAll(SetArgPointee<0>(1), SetArgPointee<1>(2), SetArgPointee<2>('a'), + Return(3)); + EXPECT_EQ(3, a.Perform(std::make_tuple(&m, &n, &ch))); + EXPECT_EQ(1, m); + EXPECT_EQ(2, n); + EXPECT_EQ('a', ch); +} + +// Tests DoAll(a1, a2, a3, a4, a5). +TEST(DoAllTest, FiveActions) { + int m = 0, n = 0; + char a = '\0', b = '\0'; + Action<int(int*, int*, char*, char*)> action = // NOLINT + DoAll(SetArgPointee<0>(1), SetArgPointee<1>(2), SetArgPointee<2>('a'), + SetArgPointee<3>('b'), Return(3)); + EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b))); + EXPECT_EQ(1, m); + EXPECT_EQ(2, n); + EXPECT_EQ('a', a); + EXPECT_EQ('b', b); +} + +// Tests DoAll(a1, a2, ..., a6). +TEST(DoAllTest, SixActions) { + int m = 0, n = 0; + char a = '\0', b = '\0', c = '\0'; + Action<int(int*, int*, char*, char*, char*)> action = // NOLINT + DoAll(SetArgPointee<0>(1), SetArgPointee<1>(2), SetArgPointee<2>('a'), + SetArgPointee<3>('b'), SetArgPointee<4>('c'), Return(3)); + EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c))); + EXPECT_EQ(1, m); + EXPECT_EQ(2, n); + EXPECT_EQ('a', a); + EXPECT_EQ('b', b); + EXPECT_EQ('c', c); +} + +// Tests DoAll(a1, a2, ..., a7). +TEST(DoAllTest, SevenActions) { + int m = 0, n = 0; + char a = '\0', b = '\0', c = '\0', d = '\0'; + Action<int(int*, int*, char*, char*, char*, char*)> action = // NOLINT + DoAll(SetArgPointee<0>(1), SetArgPointee<1>(2), SetArgPointee<2>('a'), + SetArgPointee<3>('b'), SetArgPointee<4>('c'), SetArgPointee<5>('d'), + Return(3)); + EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c, &d))); + EXPECT_EQ(1, m); + EXPECT_EQ(2, n); + EXPECT_EQ('a', a); + EXPECT_EQ('b', b); + EXPECT_EQ('c', c); + EXPECT_EQ('d', d); +} + +// Tests DoAll(a1, a2, ..., a8). +TEST(DoAllTest, EightActions) { + int m = 0, n = 0; + char a = '\0', b = '\0', c = '\0', d = '\0', e = '\0'; + Action<int(int*, int*, char*, char*, char*, char*, // NOLINT + char*)> + action = + DoAll(SetArgPointee<0>(1), SetArgPointee<1>(2), SetArgPointee<2>('a'), + SetArgPointee<3>('b'), SetArgPointee<4>('c'), + SetArgPointee<5>('d'), SetArgPointee<6>('e'), Return(3)); + EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c, &d, &e))); + EXPECT_EQ(1, m); + EXPECT_EQ(2, n); + EXPECT_EQ('a', a); + EXPECT_EQ('b', b); + EXPECT_EQ('c', c); + EXPECT_EQ('d', d); + EXPECT_EQ('e', e); +} + +// Tests DoAll(a1, a2, ..., a9). +TEST(DoAllTest, NineActions) { + int m = 0, n = 0; + char a = '\0', b = '\0', c = '\0', d = '\0', e = '\0', f = '\0'; + Action<int(int*, int*, char*, char*, char*, char*, // NOLINT + char*, char*)> + action = DoAll(SetArgPointee<0>(1), SetArgPointee<1>(2), + SetArgPointee<2>('a'), SetArgPointee<3>('b'), + SetArgPointee<4>('c'), SetArgPointee<5>('d'), + SetArgPointee<6>('e'), SetArgPointee<7>('f'), Return(3)); + EXPECT_EQ(3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c, &d, &e, &f))); + EXPECT_EQ(1, m); + EXPECT_EQ(2, n); + EXPECT_EQ('a', a); + EXPECT_EQ('b', b); + EXPECT_EQ('c', c); + EXPECT_EQ('d', d); + EXPECT_EQ('e', e); + EXPECT_EQ('f', f); +} + +// Tests DoAll(a1, a2, ..., a10). +TEST(DoAllTest, TenActions) { + int m = 0, n = 0; + char a = '\0', b = '\0', c = '\0', d = '\0'; + char e = '\0', f = '\0', g = '\0'; + Action<int(int*, int*, char*, char*, char*, char*, // NOLINT + char*, char*, char*)> + action = + DoAll(SetArgPointee<0>(1), SetArgPointee<1>(2), SetArgPointee<2>('a'), + SetArgPointee<3>('b'), SetArgPointee<4>('c'), + SetArgPointee<5>('d'), SetArgPointee<6>('e'), + SetArgPointee<7>('f'), SetArgPointee<8>('g'), Return(3)); + EXPECT_EQ( + 3, action.Perform(std::make_tuple(&m, &n, &a, &b, &c, &d, &e, &f, &g))); + EXPECT_EQ(1, m); + EXPECT_EQ(2, n); + EXPECT_EQ('a', a); + EXPECT_EQ('b', b); + EXPECT_EQ('c', c); + EXPECT_EQ('d', d); + EXPECT_EQ('e', e); + EXPECT_EQ('f', f); + EXPECT_EQ('g', g); +} + +TEST(DoAllTest, NoArgs) { + bool ran_first = false; + Action<bool()> a = + DoAll([&] { ran_first = true; }, [&] { return ran_first; }); + EXPECT_TRUE(a.Perform({})); +} + +TEST(DoAllTest, MoveOnlyArgs) { + bool ran_first = false; + Action<int(std::unique_ptr<int>)> a = + DoAll(InvokeWithoutArgs([&] { ran_first = true; }), + [](std::unique_ptr<int> p) { return *p; }); + EXPECT_EQ(7, a.Perform(std::make_tuple(std::unique_ptr<int>(new int(7))))); + EXPECT_TRUE(ran_first); +} + +TEST(DoAllTest, ImplicitlyConvertsActionArguments) { + bool ran_first = false; + // Action<void(std::vector<int>)> isn't an + // Action<void(const std::vector<int>&) but can be converted. + Action<void(std::vector<int>)> first = [&] { ran_first = true; }; + Action<int(std::vector<int>)> a = + DoAll(first, [](std::vector<int> arg) { return arg.front(); }); + EXPECT_EQ(7, a.Perform(std::make_tuple(std::vector<int>{7}))); + EXPECT_TRUE(ran_first); +} + +// The ACTION*() macros trigger warning C4100 (unreferenced formal +// parameter) in MSVC with -W4. Unfortunately they cannot be fixed in +// the macro definition, as the warnings are generated when the macro +// is expanded and macro expansion cannot contain #pragma. Therefore +// we suppress them here. +// Also suppress C4503 decorated name length exceeded, name was truncated +GTEST_DISABLE_MSC_WARNINGS_PUSH_(4100 4503) +// Tests the ACTION*() macro family. + +// Tests that ACTION() can define an action that doesn't reference the +// mock function arguments. +ACTION(Return5) { return 5; } + +TEST(ActionMacroTest, WorksWhenNotReferencingArguments) { + Action<double()> a1 = Return5(); + EXPECT_DOUBLE_EQ(5, a1.Perform(std::make_tuple())); + + Action<int(double, bool)> a2 = Return5(); + EXPECT_EQ(5, a2.Perform(std::make_tuple(1, true))); +} + +// Tests that ACTION() can define an action that returns void. +ACTION(IncrementArg1) { (*arg1)++; } + +TEST(ActionMacroTest, WorksWhenReturningVoid) { + Action<void(int, int*)> a1 = IncrementArg1(); + int n = 0; + a1.Perform(std::make_tuple(5, &n)); + EXPECT_EQ(1, n); +} + +// Tests that the body of ACTION() can reference the type of the +// argument. +ACTION(IncrementArg2) { + StaticAssertTypeEq<int*, arg2_type>(); + arg2_type temp = arg2; + (*temp)++; +} + +TEST(ActionMacroTest, CanReferenceArgumentType) { + Action<void(int, bool, int*)> a1 = IncrementArg2(); + int n = 0; + a1.Perform(std::make_tuple(5, false, &n)); + EXPECT_EQ(1, n); +} + +// Tests that the body of ACTION() can reference the argument tuple +// via args_type and args. +ACTION(Sum2) { + StaticAssertTypeEq<std::tuple<int, char, int*>, args_type>(); + args_type args_copy = args; + return std::get<0>(args_copy) + std::get<1>(args_copy); +} + +TEST(ActionMacroTest, CanReferenceArgumentTuple) { + Action<int(int, char, int*)> a1 = Sum2(); + int dummy = 0; + EXPECT_EQ(11, a1.Perform(std::make_tuple(5, Char(6), &dummy))); +} + +namespace { + +// Tests that the body of ACTION() can reference the mock function +// type. +int Dummy(bool flag) { return flag ? 1 : 0; } + +} // namespace + +ACTION(InvokeDummy) { + StaticAssertTypeEq<int(bool), function_type>(); + function_type* fp = &Dummy; + return (*fp)(true); +} + +TEST(ActionMacroTest, CanReferenceMockFunctionType) { + Action<int(bool)> a1 = InvokeDummy(); + EXPECT_EQ(1, a1.Perform(std::make_tuple(true))); + EXPECT_EQ(1, a1.Perform(std::make_tuple(false))); +} + +// Tests that the body of ACTION() can reference the mock function's +// return type. +ACTION(InvokeDummy2) { + StaticAssertTypeEq<int, return_type>(); + return_type result = Dummy(true); + return result; +} + +TEST(ActionMacroTest, CanReferenceMockFunctionReturnType) { + Action<int(bool)> a1 = InvokeDummy2(); + EXPECT_EQ(1, a1.Perform(std::make_tuple(true))); + EXPECT_EQ(1, a1.Perform(std::make_tuple(false))); +} + +// Tests that ACTION() works for arguments passed by const reference. +ACTION(ReturnAddrOfConstBoolReferenceArg) { + StaticAssertTypeEq<const bool&, arg1_type>(); + return &arg1; +} + +TEST(ActionMacroTest, WorksForConstReferenceArg) { + Action<const bool*(int, const bool&)> a = ReturnAddrOfConstBoolReferenceArg(); + const bool b = false; + EXPECT_EQ(&b, a.Perform(std::tuple<int, const bool&>(0, b))); +} + +// Tests that ACTION() works for arguments passed by non-const reference. +ACTION(ReturnAddrOfIntReferenceArg) { + StaticAssertTypeEq<int&, arg0_type>(); + return &arg0; +} + +TEST(ActionMacroTest, WorksForNonConstReferenceArg) { + Action<int*(int&, bool, int)> a = ReturnAddrOfIntReferenceArg(); + int n = 0; + EXPECT_EQ(&n, a.Perform(std::tuple<int&, bool, int>(n, true, 1))); +} + +// Tests that ACTION() can be used in a namespace. +namespace action_test { +ACTION(Sum) { return arg0 + arg1; } +} // namespace action_test + +TEST(ActionMacroTest, WorksInNamespace) { + Action<int(int, int)> a1 = action_test::Sum(); + EXPECT_EQ(3, a1.Perform(std::make_tuple(1, 2))); +} + +// Tests that the same ACTION definition works for mock functions with +// different argument numbers. +ACTION(PlusTwo) { return arg0 + 2; } + +TEST(ActionMacroTest, WorksForDifferentArgumentNumbers) { + Action<int(int)> a1 = PlusTwo(); + EXPECT_EQ(4, a1.Perform(std::make_tuple(2))); + + Action<double(float, void*)> a2 = PlusTwo(); + int dummy; + EXPECT_DOUBLE_EQ(6, a2.Perform(std::make_tuple(4.0f, &dummy))); +} + +// Tests that ACTION_P can define a parameterized action. +ACTION_P(Plus, n) { return arg0 + n; } + +TEST(ActionPMacroTest, DefinesParameterizedAction) { + Action<int(int m, bool t)> a1 = Plus(9); + EXPECT_EQ(10, a1.Perform(std::make_tuple(1, true))); +} + +// Tests that the body of ACTION_P can reference the argument types +// and the parameter type. +ACTION_P(TypedPlus, n) { + arg0_type t1 = arg0; + n_type t2 = n; + return t1 + t2; +} + +TEST(ActionPMacroTest, CanReferenceArgumentAndParameterTypes) { + Action<int(char m, bool t)> a1 = TypedPlus(9); + EXPECT_EQ(10, a1.Perform(std::make_tuple(Char(1), true))); +} + +// Tests that a parameterized action can be used in any mock function +// whose type is compatible. +TEST(ActionPMacroTest, WorksInCompatibleMockFunction) { + Action<std::string(const std::string& s)> a1 = Plus("tail"); + const std::string re = "re"; + std::tuple<const std::string> dummy = std::make_tuple(re); + EXPECT_EQ("retail", a1.Perform(dummy)); +} + +// Tests that we can use ACTION*() to define actions overloaded on the +// number of parameters. + +ACTION(OverloadedAction) { return arg0 ? arg1 : "hello"; } + +ACTION_P(OverloadedAction, default_value) { + return arg0 ? arg1 : default_value; +} + +ACTION_P2(OverloadedAction, true_value, false_value) { + return arg0 ? true_value : false_value; +} + +TEST(ActionMacroTest, CanDefineOverloadedActions) { + using MyAction = Action<const char*(bool, const char*)>; + + const MyAction a1 = OverloadedAction(); + EXPECT_STREQ("hello", a1.Perform(std::make_tuple(false, CharPtr("world")))); + EXPECT_STREQ("world", a1.Perform(std::make_tuple(true, CharPtr("world")))); + + const MyAction a2 = OverloadedAction("hi"); + EXPECT_STREQ("hi", a2.Perform(std::make_tuple(false, CharPtr("world")))); + EXPECT_STREQ("world", a2.Perform(std::make_tuple(true, CharPtr("world")))); + + const MyAction a3 = OverloadedAction("hi", "you"); + EXPECT_STREQ("hi", a3.Perform(std::make_tuple(true, CharPtr("world")))); + EXPECT_STREQ("you", a3.Perform(std::make_tuple(false, CharPtr("world")))); +} + +// Tests ACTION_Pn where n >= 3. + +ACTION_P3(Plus, m, n, k) { return arg0 + m + n + k; } + +TEST(ActionPnMacroTest, WorksFor3Parameters) { + Action<double(int m, bool t)> a1 = Plus(100, 20, 3.4); + EXPECT_DOUBLE_EQ(3123.4, a1.Perform(std::make_tuple(3000, true))); + + Action<std::string(const std::string& s)> a2 = Plus("tail", "-", ">"); + const std::string re = "re"; + std::tuple<const std::string> dummy = std::make_tuple(re); + EXPECT_EQ("retail->", a2.Perform(dummy)); +} + +ACTION_P4(Plus, p0, p1, p2, p3) { return arg0 + p0 + p1 + p2 + p3; } + +TEST(ActionPnMacroTest, WorksFor4Parameters) { + Action<int(int)> a1 = Plus(1, 2, 3, 4); + EXPECT_EQ(10 + 1 + 2 + 3 + 4, a1.Perform(std::make_tuple(10))); +} + +ACTION_P5(Plus, p0, p1, p2, p3, p4) { return arg0 + p0 + p1 + p2 + p3 + p4; } + +TEST(ActionPnMacroTest, WorksFor5Parameters) { + Action<int(int)> a1 = Plus(1, 2, 3, 4, 5); + EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5, a1.Perform(std::make_tuple(10))); +} + +ACTION_P6(Plus, p0, p1, p2, p3, p4, p5) { + return arg0 + p0 + p1 + p2 + p3 + p4 + p5; +} + +TEST(ActionPnMacroTest, WorksFor6Parameters) { + Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6); + EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6, a1.Perform(std::make_tuple(10))); +} + +ACTION_P7(Plus, p0, p1, p2, p3, p4, p5, p6) { + return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6; +} + +TEST(ActionPnMacroTest, WorksFor7Parameters) { + Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7); + EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7, a1.Perform(std::make_tuple(10))); +} + +ACTION_P8(Plus, p0, p1, p2, p3, p4, p5, p6, p7) { + return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7; +} + +TEST(ActionPnMacroTest, WorksFor8Parameters) { + Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8); + EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8, + a1.Perform(std::make_tuple(10))); +} + +ACTION_P9(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8) { + return arg0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8; +} + +TEST(ActionPnMacroTest, WorksFor9Parameters) { + Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9); + EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9, + a1.Perform(std::make_tuple(10))); +} + +ACTION_P10(Plus, p0, p1, p2, p3, p4, p5, p6, p7, p8, last_param) { + arg0_type t0 = arg0; + last_param_type t9 = last_param; + return t0 + p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + t9; +} + +TEST(ActionPnMacroTest, WorksFor10Parameters) { + Action<int(int)> a1 = Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, 10); + EXPECT_EQ(10 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10, + a1.Perform(std::make_tuple(10))); +} + +// Tests that the action body can promote the parameter types. + +ACTION_P2(PadArgument, prefix, suffix) { + // The following lines promote the two parameters to desired types. + std::string prefix_str(prefix); + char suffix_char = static_cast<char>(suffix); + return prefix_str + arg0 + suffix_char; +} + +TEST(ActionPnMacroTest, SimpleTypePromotion) { + Action<std::string(const char*)> no_promo = + PadArgument(std::string("foo"), 'r'); + Action<std::string(const char*)> promo = + PadArgument("foo", static_cast<int>('r')); + EXPECT_EQ("foobar", no_promo.Perform(std::make_tuple(CharPtr("ba")))); + EXPECT_EQ("foobar", promo.Perform(std::make_tuple(CharPtr("ba")))); +} + +// Tests that we can partially restrict parameter types using a +// straight-forward pattern. + +// Defines a generic action that doesn't restrict the types of its +// parameters. +ACTION_P3(ConcatImpl, a, b, c) { + std::stringstream ss; + ss << a << b << c; + return ss.str(); +} + +// Next, we try to restrict that either the first parameter is a +// string, or the second parameter is an int. + +// Defines a partially specialized wrapper that restricts the first +// parameter to std::string. +template <typename T1, typename T2> +// ConcatImplActionP3 is the class template ACTION_P3 uses to +// implement ConcatImpl. We shouldn't change the name as this +// pattern requires the user to use it directly. +ConcatImplActionP3<std::string, T1, T2> Concat(const std::string& a, T1 b, + T2 c) { + GTEST_INTENTIONAL_CONST_COND_PUSH_() + if (true) { + GTEST_INTENTIONAL_CONST_COND_POP_() + // This branch verifies that ConcatImpl() can be invoked without + // explicit template arguments. + return ConcatImpl(a, b, c); + } else { + // This branch verifies that ConcatImpl() can also be invoked with + // explicit template arguments. It doesn't really need to be + // executed as this is a compile-time verification. + return ConcatImpl<std::string, T1, T2>(a, b, c); + } +} + +// Defines another partially specialized wrapper that restricts the +// second parameter to int. +template <typename T1, typename T2> +ConcatImplActionP3<T1, int, T2> Concat(T1 a, int b, T2 c) { + return ConcatImpl(a, b, c); +} + +TEST(ActionPnMacroTest, CanPartiallyRestrictParameterTypes) { + Action<const std::string()> a1 = Concat("Hello", "1", 2); + EXPECT_EQ("Hello12", a1.Perform(std::make_tuple())); + + a1 = Concat(1, 2, 3); + EXPECT_EQ("123", a1.Perform(std::make_tuple())); +} + +// Verifies the type of an ACTION*. + +ACTION(DoFoo) {} +ACTION_P(DoFoo, p) {} +ACTION_P2(DoFoo, p0, p1) {} + +TEST(ActionPnMacroTest, TypesAreCorrect) { + // DoFoo() must be assignable to a DoFooAction variable. + DoFooAction a0 = DoFoo(); + + // DoFoo(1) must be assignable to a DoFooActionP variable. + DoFooActionP<int> a1 = DoFoo(1); + + // DoFoo(p1, ..., pk) must be assignable to a DoFooActionPk + // variable, and so on. + DoFooActionP2<int, char> a2 = DoFoo(1, '2'); + PlusActionP3<int, int, char> a3 = Plus(1, 2, '3'); + PlusActionP4<int, int, int, char> a4 = Plus(1, 2, 3, '4'); + PlusActionP5<int, int, int, int, char> a5 = Plus(1, 2, 3, 4, '5'); + PlusActionP6<int, int, int, int, int, char> a6 = Plus(1, 2, 3, 4, 5, '6'); + PlusActionP7<int, int, int, int, int, int, char> a7 = + Plus(1, 2, 3, 4, 5, 6, '7'); + PlusActionP8<int, int, int, int, int, int, int, char> a8 = + Plus(1, 2, 3, 4, 5, 6, 7, '8'); + PlusActionP9<int, int, int, int, int, int, int, int, char> a9 = + Plus(1, 2, 3, 4, 5, 6, 7, 8, '9'); + PlusActionP10<int, int, int, int, int, int, int, int, int, char> a10 = + Plus(1, 2, 3, 4, 5, 6, 7, 8, 9, '0'); + + // Avoid "unused variable" warnings. + (void)a0; + (void)a1; + (void)a2; + (void)a3; + (void)a4; + (void)a5; + (void)a6; + (void)a7; + (void)a8; + (void)a9; + (void)a10; +} + +// Tests that an ACTION_P*() action can be explicitly instantiated +// with reference-typed parameters. + +ACTION_P(Plus1, x) { return x; } +ACTION_P2(Plus2, x, y) { return x + y; } +ACTION_P3(Plus3, x, y, z) { return x + y + z; } +ACTION_P10(Plus10, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) { + return a0 + a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9; +} + +TEST(ActionPnMacroTest, CanExplicitlyInstantiateWithReferenceTypes) { + int x = 1, y = 2, z = 3; + const std::tuple<> empty = std::make_tuple(); + + Action<int()> a = Plus1<int&>(x); + EXPECT_EQ(1, a.Perform(empty)); + + a = Plus2<const int&, int&>(x, y); + EXPECT_EQ(3, a.Perform(empty)); + + a = Plus3<int&, const int&, int&>(x, y, z); + EXPECT_EQ(6, a.Perform(empty)); + + int n[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; + a = Plus10<const int&, int&, const int&, int&, const int&, int&, const int&, + int&, const int&, int&>(n[0], n[1], n[2], n[3], n[4], n[5], n[6], + n[7], n[8], n[9]); + EXPECT_EQ(55, a.Perform(empty)); +} + +class TenArgConstructorClass { + public: + TenArgConstructorClass(int a1, int a2, int a3, int a4, int a5, int a6, int a7, + int a8, int a9, int a10) + : value_(a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9 + a10) {} + int value_; +}; + +// Tests that ACTION_TEMPLATE works when there is no value parameter. +ACTION_TEMPLATE(CreateNew, HAS_1_TEMPLATE_PARAMS(typename, T), + AND_0_VALUE_PARAMS()) { + return new T; +} + +TEST(ActionTemplateTest, WorksWithoutValueParam) { + const Action<int*()> a = CreateNew<int>(); + int* p = a.Perform(std::make_tuple()); + delete p; +} + +// Tests that ACTION_TEMPLATE works when there are value parameters. +ACTION_TEMPLATE(CreateNew, HAS_1_TEMPLATE_PARAMS(typename, T), + AND_1_VALUE_PARAMS(a0)) { + return new T(a0); +} + +TEST(ActionTemplateTest, WorksWithValueParams) { + const Action<int*()> a = CreateNew<int>(42); + int* p = a.Perform(std::make_tuple()); + EXPECT_EQ(42, *p); + delete p; +} + +// Tests that ACTION_TEMPLATE works for integral template parameters. +ACTION_TEMPLATE(MyDeleteArg, HAS_1_TEMPLATE_PARAMS(int, k), + AND_0_VALUE_PARAMS()) { + delete std::get<k>(args); +} + +// Resets a bool variable in the destructor. +class BoolResetter { + public: + explicit BoolResetter(bool* value) : value_(value) {} + ~BoolResetter() { *value_ = false; } + + private: + bool* value_; +}; + +TEST(ActionTemplateTest, WorksForIntegralTemplateParams) { + const Action<void(int*, BoolResetter*)> a = MyDeleteArg<1>(); + int n = 0; + bool b = true; + auto* resetter = new BoolResetter(&b); + a.Perform(std::make_tuple(&n, resetter)); + EXPECT_FALSE(b); // Verifies that resetter is deleted. +} + +// Tests that ACTION_TEMPLATES works for template template parameters. +ACTION_TEMPLATE(ReturnSmartPointer, + HAS_1_TEMPLATE_PARAMS(template <typename Pointee> class, + Pointer), + AND_1_VALUE_PARAMS(pointee)) { + return Pointer<pointee_type>(new pointee_type(pointee)); +} + +TEST(ActionTemplateTest, WorksForTemplateTemplateParameters) { + const Action<std::shared_ptr<int>()> a = + ReturnSmartPointer<std::shared_ptr>(42); + std::shared_ptr<int> p = a.Perform(std::make_tuple()); + EXPECT_EQ(42, *p); +} + +// Tests that ACTION_TEMPLATE works for 10 template parameters. +template <typename T1, typename T2, typename T3, int k4, bool k5, + unsigned int k6, typename T7, typename T8, typename T9> +struct GiantTemplate { + public: + explicit GiantTemplate(int a_value) : value(a_value) {} + int value; +}; + +ACTION_TEMPLATE(ReturnGiant, + HAS_10_TEMPLATE_PARAMS(typename, T1, typename, T2, typename, T3, + int, k4, bool, k5, unsigned int, k6, + class, T7, class, T8, class, T9, + template <typename T> class, T10), + AND_1_VALUE_PARAMS(value)) { + return GiantTemplate<T10<T1>, T2, T3, k4, k5, k6, T7, T8, T9>(value); +} + +TEST(ActionTemplateTest, WorksFor10TemplateParameters) { + using Giant = GiantTemplate<std::shared_ptr<int>, bool, double, 5, true, 6, + char, unsigned, int>; + const Action<Giant()> a = ReturnGiant<int, bool, double, 5, true, 6, char, + unsigned, int, std::shared_ptr>(42); + Giant giant = a.Perform(std::make_tuple()); + EXPECT_EQ(42, giant.value); +} + +// Tests that ACTION_TEMPLATE works for 10 value parameters. +ACTION_TEMPLATE(ReturnSum, HAS_1_TEMPLATE_PARAMS(typename, Number), + AND_10_VALUE_PARAMS(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10)) { + return static_cast<Number>(v1) + v2 + v3 + v4 + v5 + v6 + v7 + v8 + v9 + v10; +} + +TEST(ActionTemplateTest, WorksFor10ValueParameters) { + const Action<int()> a = ReturnSum<int>(1, 2, 3, 4, 5, 6, 7, 8, 9, 10); + EXPECT_EQ(55, a.Perform(std::make_tuple())); +} + +// Tests that ACTION_TEMPLATE and ACTION/ACTION_P* can be overloaded +// on the number of value parameters. + +ACTION(ReturnSum) { return 0; } + +ACTION_P(ReturnSum, x) { return x; } + +ACTION_TEMPLATE(ReturnSum, HAS_1_TEMPLATE_PARAMS(typename, Number), + AND_2_VALUE_PARAMS(v1, v2)) { + return static_cast<Number>(v1) + v2; +} + +ACTION_TEMPLATE(ReturnSum, HAS_1_TEMPLATE_PARAMS(typename, Number), + AND_3_VALUE_PARAMS(v1, v2, v3)) { + return static_cast<Number>(v1) + v2 + v3; +} + +ACTION_TEMPLATE(ReturnSum, HAS_2_TEMPLATE_PARAMS(typename, Number, int, k), + AND_4_VALUE_PARAMS(v1, v2, v3, v4)) { + return static_cast<Number>(v1) + v2 + v3 + v4 + k; +} + +TEST(ActionTemplateTest, CanBeOverloadedOnNumberOfValueParameters) { + const Action<int()> a0 = ReturnSum(); + const Action<int()> a1 = ReturnSum(1); + const Action<int()> a2 = ReturnSum<int>(1, 2); + const Action<int()> a3 = ReturnSum<int>(1, 2, 3); + const Action<int()> a4 = ReturnSum<int, 10000>(2000, 300, 40, 5); + EXPECT_EQ(0, a0.Perform(std::make_tuple())); + EXPECT_EQ(1, a1.Perform(std::make_tuple())); + EXPECT_EQ(3, a2.Perform(std::make_tuple())); + EXPECT_EQ(6, a3.Perform(std::make_tuple())); + EXPECT_EQ(12345, a4.Perform(std::make_tuple())); +} + +} // namespace gmock_more_actions_test } // namespace testing + +GTEST_DISABLE_MSC_WARNINGS_POP_() // 4100 4503 +GTEST_DISABLE_MSC_WARNINGS_POP_() // 4577 diff --git a/googlemock/test/gmock-nice-strict_test.cc b/googlemock/test/gmock-nice-strict_test.cc index 0a201ed7ebb0..95f096903583 100644 --- a/googlemock/test/gmock-nice-strict_test.cc +++ b/googlemock/test/gmock-nice-strict_test.cc @@ -31,6 +31,7 @@ #include <string> #include <utility> + #include "gmock/gmock.h" #include "gtest/gtest-spi.h" #include "gtest/gtest.h" @@ -39,18 +40,18 @@ // clash with ::testing::Mock. class Mock { public: - Mock() {} + Mock() = default; MOCK_METHOD0(DoThis, void()); private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(Mock); + Mock(const Mock&) = delete; + Mock& operator=(const Mock&) = delete; }; namespace testing { namespace gmock_nice_strict_test { -using testing::GMOCK_FLAG(verbose); using testing::HasSubstr; using testing::NaggyMock; using testing::NiceMock; @@ -67,11 +68,17 @@ class NotDefaultConstructible { explicit NotDefaultConstructible(int) {} }; +class CallsMockMethodInDestructor { + public: + ~CallsMockMethodInDestructor() { OnDestroy(); } + MOCK_METHOD(void, OnDestroy, ()); +}; + // Defines some mock classes needed by the tests. class Foo { public: - virtual ~Foo() {} + virtual ~Foo() = default; virtual void DoThis() = 0; virtual int DoThat(bool flag) = 0; @@ -79,7 +86,7 @@ class Foo { class MockFoo : public Foo { public: - MockFoo() {} + MockFoo() = default; void Delete() { delete this; } MOCK_METHOD0(DoThis, void()); @@ -87,7 +94,8 @@ class MockFoo : public Foo { MOCK_METHOD0(ReturnNonDefaultConstructible, NotDefaultConstructible()); private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo); + MockFoo(const MockFoo&) = delete; + MockFoo& operator=(const MockFoo&) = delete; }; class MockBar { @@ -97,10 +105,11 @@ class MockBar { MockBar(char a1, char a2, std::string a3, std::string a4, int a5, int a6, const std::string& a7, const std::string& a8, bool a9, bool a10) { str_ = std::string() + a1 + a2 + a3 + a4 + static_cast<char>(a5) + - static_cast<char>(a6) + a7 + a8 + (a9 ? 'T' : 'F') + (a10 ? 'T' : 'F'); + static_cast<char>(a6) + a7 + a8 + (a9 ? 'T' : 'F') + + (a10 ? 'T' : 'F'); } - virtual ~MockBar() {} + virtual ~MockBar() = default; const std::string& str() const { return str_; } @@ -110,10 +119,10 @@ class MockBar { private: std::string str_; - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockBar); + MockBar(const MockBar&) = delete; + MockBar& operator=(const MockBar&) = delete; }; - class MockBaz { public: class MoveOnly { @@ -134,8 +143,8 @@ class MockBaz { // Tests that a raw mock generates warnings for uninteresting calls. TEST(RawMockTest, WarningForUninterestingCall) { - const std::string saved_flag = GMOCK_FLAG(verbose); - GMOCK_FLAG(verbose) = "warning"; + const std::string saved_flag = GMOCK_FLAG_GET(verbose); + GMOCK_FLAG_SET(verbose, "warning"); MockFoo raw_foo; @@ -145,26 +154,25 @@ TEST(RawMockTest, WarningForUninterestingCall) { EXPECT_THAT(GetCapturedStdout(), HasSubstr("Uninteresting mock function call")); - GMOCK_FLAG(verbose) = saved_flag; + GMOCK_FLAG_SET(verbose, saved_flag); } // Tests that a raw mock generates warnings for uninteresting calls // that delete the mock object. TEST(RawMockTest, WarningForUninterestingCallAfterDeath) { - const std::string saved_flag = GMOCK_FLAG(verbose); - GMOCK_FLAG(verbose) = "warning"; + const std::string saved_flag = GMOCK_FLAG_GET(verbose); + GMOCK_FLAG_SET(verbose, "warning"); MockFoo* const raw_foo = new MockFoo; - ON_CALL(*raw_foo, DoThis()) - .WillByDefault(Invoke(raw_foo, &MockFoo::Delete)); + ON_CALL(*raw_foo, DoThis()).WillByDefault(Invoke(raw_foo, &MockFoo::Delete)); CaptureStdout(); raw_foo->DoThis(); EXPECT_THAT(GetCapturedStdout(), HasSubstr("Uninteresting mock function call")); - GMOCK_FLAG(verbose) = saved_flag; + GMOCK_FLAG_SET(verbose, saved_flag); } // Tests that a raw mock generates informational logs for @@ -172,14 +180,14 @@ TEST(RawMockTest, WarningForUninterestingCallAfterDeath) { TEST(RawMockTest, InfoForUninterestingCall) { MockFoo raw_foo; - const std::string saved_flag = GMOCK_FLAG(verbose); - GMOCK_FLAG(verbose) = "info"; + const std::string saved_flag = GMOCK_FLAG_GET(verbose); + GMOCK_FLAG_SET(verbose, "info"); CaptureStdout(); raw_foo.DoThis(); EXPECT_THAT(GetCapturedStdout(), HasSubstr("Uninteresting mock function call")); - GMOCK_FLAG(verbose) = saved_flag; + GMOCK_FLAG_SET(verbose, saved_flag); } TEST(RawMockTest, IsNaggy_IsNice_IsStrict) { @@ -217,14 +225,14 @@ TEST(NiceMockTest, NoWarningForUninterestingCallAfterDeath) { TEST(NiceMockTest, InfoForUninterestingCall) { NiceMock<MockFoo> nice_foo; - const std::string saved_flag = GMOCK_FLAG(verbose); - GMOCK_FLAG(verbose) = "info"; + const std::string saved_flag = GMOCK_FLAG_GET(verbose); + GMOCK_FLAG_SET(verbose, "info"); CaptureStdout(); nice_foo.DoThis(); EXPECT_THAT(GetCapturedStdout(), HasSubstr("Uninteresting mock function call")); - GMOCK_FLAG(verbose) = saved_flag; + GMOCK_FLAG_SET(verbose, saved_flag); } #endif // GTEST_HAS_STREAM_REDIRECTION @@ -275,8 +283,8 @@ TEST(NiceMockTest, NonDefaultConstructor) { // Tests that NiceMock works with a mock class that has a 10-ary // non-default constructor. TEST(NiceMockTest, NonDefaultConstructor10) { - NiceMock<MockBar> nice_bar('a', 'b', "c", "d", 'e', 'f', - "g", "h", true, false); + NiceMock<MockBar> nice_bar('a', 'b', "c", "d", 'e', 'f', "g", "h", true, + false); EXPECT_EQ("abcdefghTF", nice_bar.str()); nice_bar.This(); @@ -302,6 +310,13 @@ TEST(NiceMockTest, AcceptsClassNamedMock) { nice.DoThis(); } +TEST(NiceMockTest, IsNiceInDestructor) { + { + NiceMock<CallsMockMethodInDestructor> nice_on_destroy; + // Don't add an expectation for the call before the mock goes out of scope. + } +} + TEST(NiceMockTest, IsNaggy_IsNice_IsStrict) { NiceMock<MockFoo> nice_foo; EXPECT_FALSE(Mock::IsNaggy(&nice_foo)); @@ -313,8 +328,8 @@ TEST(NiceMockTest, IsNaggy_IsNice_IsStrict) { // Tests that a naggy mock generates warnings for uninteresting calls. TEST(NaggyMockTest, WarningForUninterestingCall) { - const std::string saved_flag = GMOCK_FLAG(verbose); - GMOCK_FLAG(verbose) = "warning"; + const std::string saved_flag = GMOCK_FLAG_GET(verbose); + GMOCK_FLAG_SET(verbose, "warning"); NaggyMock<MockFoo> naggy_foo; @@ -324,14 +339,14 @@ TEST(NaggyMockTest, WarningForUninterestingCall) { EXPECT_THAT(GetCapturedStdout(), HasSubstr("Uninteresting mock function call")); - GMOCK_FLAG(verbose) = saved_flag; + GMOCK_FLAG_SET(verbose, saved_flag); } // Tests that a naggy mock generates a warning for an uninteresting call // that deletes the mock object. TEST(NaggyMockTest, WarningForUninterestingCallAfterDeath) { - const std::string saved_flag = GMOCK_FLAG(verbose); - GMOCK_FLAG(verbose) = "warning"; + const std::string saved_flag = GMOCK_FLAG_GET(verbose); + GMOCK_FLAG_SET(verbose, "warning"); NaggyMock<MockFoo>* const naggy_foo = new NaggyMock<MockFoo>; @@ -343,7 +358,7 @@ TEST(NaggyMockTest, WarningForUninterestingCallAfterDeath) { EXPECT_THAT(GetCapturedStdout(), HasSubstr("Uninteresting mock function call")); - GMOCK_FLAG(verbose) = saved_flag; + GMOCK_FLAG_SET(verbose, saved_flag); } #endif // GTEST_HAS_STREAM_REDIRECTION @@ -378,8 +393,8 @@ TEST(NaggyMockTest, NonDefaultConstructor) { // Tests that NaggyMock works with a mock class that has a 10-ary // non-default constructor. TEST(NaggyMockTest, NonDefaultConstructor10) { - NaggyMock<MockBar> naggy_bar('0', '1', "2", "3", '4', '5', - "6", "7", true, false); + NaggyMock<MockBar> naggy_bar('0', '1', "2", "3", '4', '5', "6", "7", true, + false); EXPECT_EQ("01234567TF", naggy_bar.str()); naggy_bar.This(); @@ -405,6 +420,22 @@ TEST(NaggyMockTest, AcceptsClassNamedMock) { naggy.DoThis(); } +TEST(NaggyMockTest, IsNaggyInDestructor) { + const std::string saved_flag = GMOCK_FLAG_GET(verbose); + GMOCK_FLAG_SET(verbose, "warning"); + CaptureStdout(); + + { + NaggyMock<CallsMockMethodInDestructor> naggy_on_destroy; + // Don't add an expectation for the call before the mock goes out of scope. + } + + EXPECT_THAT(GetCapturedStdout(), + HasSubstr("Uninteresting mock function call")); + + GMOCK_FLAG_SET(verbose, saved_flag); +} + TEST(NaggyMockTest, IsNaggy_IsNice_IsStrict) { NaggyMock<MockFoo> naggy_foo; EXPECT_TRUE(Mock::IsNaggy(&naggy_foo)); @@ -462,8 +493,8 @@ TEST(StrictMockTest, NonDefaultConstructor) { // Tests that StrictMock works with a mock class that has a 10-ary // non-default constructor. TEST(StrictMockTest, NonDefaultConstructor10) { - StrictMock<MockBar> strict_bar('a', 'b', "c", "d", 'e', 'f', - "g", "h", true, false); + StrictMock<MockBar> strict_bar('a', 'b', "c", "d", 'e', 'f', "g", "h", true, + false); EXPECT_EQ("abcdefghTF", strict_bar.str()); EXPECT_NONFATAL_FAILURE(strict_bar.That(5, true), @@ -489,6 +520,16 @@ TEST(StrictMockTest, AcceptsClassNamedMock) { strict.DoThis(); } +TEST(StrictMockTest, IsStrictInDestructor) { + EXPECT_NONFATAL_FAILURE( + { + StrictMock<CallsMockMethodInDestructor> strict_on_destroy; + // Don't add an expectation for the call before the mock goes out of + // scope. + }, + "Uninteresting mock function call"); +} + TEST(StrictMockTest, IsNaggy_IsNice_IsStrict) { StrictMock<MockFoo> strict_foo; EXPECT_FALSE(Mock::IsNaggy(&strict_foo)); diff --git a/googlemock/test/gmock-port_test.cc b/googlemock/test/gmock-port_test.cc index a2c2be248864..c31af821559b 100644 --- a/googlemock/test/gmock-port_test.cc +++ b/googlemock/test/gmock-port_test.cc @@ -27,12 +27,12 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - // Google Mock - a framework for writing C++ mock classes. // // This file tests the internal cross-platform support utilities. #include "gmock/internal/gmock-port.h" + #include "gtest/gtest.h" // NOTE: if this file is left without tests for some reason, put a dummy diff --git a/googlemock/test/gmock-pp-string_test.cc b/googlemock/test/gmock-pp-string_test.cc index 6f66cf156a90..53c80f4e3d2f 100644 --- a/googlemock/test/gmock-pp-string_test.cc +++ b/googlemock/test/gmock-pp-string_test.cc @@ -30,11 +30,10 @@ // Google Mock - a framework for writing C++ mock classes. // // This file tests the internal preprocessor macro library. -#include "gmock/internal/gmock-pp.h" - #include <string> #include "gmock/gmock.h" +#include "gmock/internal/gmock-pp.h" namespace testing { namespace { diff --git a/googlemock/test/gmock-pp_test.cc b/googlemock/test/gmock-pp_test.cc index 7387d3989974..5d1566e38853 100644 --- a/googlemock/test/gmock-pp_test.cc +++ b/googlemock/test/gmock-pp_test.cc @@ -1,5 +1,10 @@ #include "gmock/internal/gmock-pp.h" +// Used to test MSVC treating __VA_ARGS__ with a comma in it as one value +#define GMOCK_TEST_REPLACE_comma_WITH_COMMA_I_comma , +#define GMOCK_TEST_REPLACE_comma_WITH_COMMA(x) \ + GMOCK_PP_CAT(GMOCK_TEST_REPLACE_comma_WITH_COMMA_I_, x) + // Static assertions. namespace testing { namespace internal { @@ -17,6 +22,11 @@ static_assert(GMOCK_PP_NARG(x, y, z, w) == 4, ""); static_assert(!GMOCK_PP_HAS_COMMA(), ""); static_assert(GMOCK_PP_HAS_COMMA(b, ), ""); static_assert(!GMOCK_PP_HAS_COMMA((, )), ""); +static_assert(GMOCK_PP_HAS_COMMA(GMOCK_TEST_REPLACE_comma_WITH_COMMA(comma)), + ""); +static_assert( + GMOCK_PP_HAS_COMMA(GMOCK_TEST_REPLACE_comma_WITH_COMMA(comma(unrelated))), + ""); static_assert(!GMOCK_PP_IS_EMPTY(, ), ""); static_assert(!GMOCK_PP_IS_EMPTY(a), ""); static_assert(!GMOCK_PP_IS_EMPTY(()), ""); diff --git a/googlemock/test/gmock-spec-builders_test.cc b/googlemock/test/gmock-spec-builders_test.cc index 7bf5a8ad7bfa..221de2d20b3d 100644 --- a/googlemock/test/gmock-spec-builders_test.cc +++ b/googlemock/test/gmock-spec-builders_test.cc @@ -27,7 +27,6 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - // Google Mock - a framework for writing C++ mock classes. // // This file tests the spec builder syntax. @@ -38,74 +37,28 @@ #include <ostream> // NOLINT #include <sstream> #include <string> +#include <type_traits> #include "gmock/gmock.h" #include "gmock/internal/gmock-port.h" -#include "gtest/gtest.h" #include "gtest/gtest-spi.h" +#include "gtest/gtest.h" #include "gtest/internal/gtest-port.h" namespace testing { -namespace internal { - -// Helper class for testing the Expectation class template. -class ExpectationTester { - public: - // Sets the call count of the given expectation to the given number. - void SetCallCount(int n, ExpectationBase* exp) { - exp->call_count_ = n; - } -}; - -} // namespace internal -} // namespace testing - namespace { -using testing::_; -using testing::AnyNumber; -using testing::AtLeast; -using testing::AtMost; -using testing::Between; -using testing::Cardinality; -using testing::CardinalityInterface; -using testing::ContainsRegex; -using testing::Const; -using testing::DoAll; -using testing::DoDefault; -using testing::Eq; -using testing::Expectation; -using testing::ExpectationSet; -using testing::GMOCK_FLAG(verbose); -using testing::Gt; -using testing::IgnoreResult; -using testing::InSequence; -using testing::Invoke; -using testing::InvokeWithoutArgs; -using testing::IsNotSubstring; -using testing::IsSubstring; -using testing::Lt; -using testing::Message; -using testing::Mock; -using testing::NaggyMock; -using testing::Ne; -using testing::Return; -using testing::SaveArg; -using testing::Sequence; -using testing::SetArgPointee; -using testing::internal::ExpectationTester; -using testing::internal::FormatFileLocation; -using testing::internal::kAllow; -using testing::internal::kErrorVerbosity; -using testing::internal::kFail; -using testing::internal::kInfoVerbosity; -using testing::internal::kWarn; -using testing::internal::kWarningVerbosity; +using ::testing::internal::FormatFileLocation; +using ::testing::internal::kAllow; +using ::testing::internal::kErrorVerbosity; +using ::testing::internal::kFail; +using ::testing::internal::kInfoVerbosity; +using ::testing::internal::kWarn; +using ::testing::internal::kWarningVerbosity; #if GTEST_HAS_STREAM_REDIRECTION -using testing::HasSubstr; -using testing::internal::CaptureStdout; -using testing::internal::GetCapturedStdout; +using ::testing::internal::CaptureStdout; +using ::testing::internal::GetCapturedStdout; #endif class Incomplete; @@ -126,8 +79,7 @@ TEST(MockMethodTest, CanInstantiateWithIncompleteArgType) { // use the mock, as long as Google Mock knows how to print the // argument. MockIncomplete incomplete; - EXPECT_CALL(incomplete, ByRefFunc(_)) - .Times(AnyNumber()); + EXPECT_CALL(incomplete, ByRefFunc(_)).Times(AnyNumber()); } // The definition of the printer for the argument type doesn't have to @@ -146,7 +98,7 @@ class NonDefaultConstructible { class MockA { public: - MockA() {} + MockA() = default; MOCK_METHOD1(DoA, void(int n)); MOCK_METHOD1(ReturnResult, Result(int n)); @@ -155,28 +107,31 @@ class MockA { MOCK_METHOD2(ReturnInt, int(int x, int y)); private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockA); + MockA(const MockA&) = delete; + MockA& operator=(const MockA&) = delete; }; class MockB { public: - MockB() {} + MockB() = default; MOCK_CONST_METHOD0(DoB, int()); // NOLINT - MOCK_METHOD1(DoB, int(int n)); // NOLINT + MOCK_METHOD1(DoB, int(int n)); // NOLINT private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockB); + MockB(const MockB&) = delete; + MockB& operator=(const MockB&) = delete; }; class ReferenceHoldingMock { public: - ReferenceHoldingMock() {} + ReferenceHoldingMock() = default; MOCK_METHOD1(AcceptReference, void(std::shared_ptr<MockA>*)); private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(ReferenceHoldingMock); + ReferenceHoldingMock(const ReferenceHoldingMock&) = delete; + ReferenceHoldingMock& operator=(const ReferenceHoldingMock&) = delete; }; // Tests that EXPECT_CALL and ON_CALL compile in a presence of macro @@ -188,17 +143,18 @@ class ReferenceHoldingMock { class CC { public: - virtual ~CC() {} + virtual ~CC() = default; virtual int Method() = 0; }; class MockCC : public CC { public: - MockCC() {} + MockCC() = default; MOCK_METHOD0(Method, int()); private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockCC); + MockCC(const MockCC&) = delete; + MockCC& operator=(const MockCC&) = delete; }; // Tests that a method with expanded name compiles. @@ -254,41 +210,42 @@ TEST(OnCallSyntaxTest, EvaluatesSecondArgumentOnce) { TEST(OnCallSyntaxTest, WithIsOptional) { MockA a; - ON_CALL(a, DoA(5)) - .WillByDefault(Return()); - ON_CALL(a, DoA(_)) - .With(_) - .WillByDefault(Return()); + ON_CALL(a, DoA(5)).WillByDefault(Return()); + ON_CALL(a, DoA(_)).With(_).WillByDefault(Return()); } TEST(OnCallSyntaxTest, WithCanAppearAtMostOnce) { MockA a; - EXPECT_NONFATAL_FAILURE({ // NOLINT - ON_CALL(a, ReturnResult(_)) - .With(_) - .With(_) - .WillByDefault(Return(Result())); - }, ".With() cannot appear more than once in an ON_CALL()"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + ON_CALL(a, ReturnResult(_)) + .With(_) + .With(_) + .WillByDefault(Return(Result())); + }, + ".With() cannot appear more than once in an ON_CALL()"); } TEST(OnCallSyntaxTest, WillByDefaultIsMandatory) { MockA a; - EXPECT_DEATH_IF_SUPPORTED({ - ON_CALL(a, DoA(5)); - a.DoA(5); - }, ""); + EXPECT_DEATH_IF_SUPPORTED( + { + ON_CALL(a, DoA(5)); + a.DoA(5); + }, + ""); } TEST(OnCallSyntaxTest, WillByDefaultCanAppearAtMostOnce) { MockA a; - EXPECT_NONFATAL_FAILURE({ // NOLINT - ON_CALL(a, DoA(5)) - .WillByDefault(Return()) - .WillByDefault(Return()); - }, ".WillByDefault() must appear exactly once in an ON_CALL()"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + ON_CALL(a, DoA(5)).WillByDefault(Return()).WillByDefault(Return()); + }, + ".WillByDefault() must appear exactly once in an ON_CALL()"); } // Tests that EXPECT_CALL evaluates its arguments exactly once as @@ -316,21 +273,18 @@ TEST(ExpectCallSyntaxTest, EvaluatesSecondArgumentOnce) { TEST(ExpectCallSyntaxTest, WithIsOptional) { MockA a; - EXPECT_CALL(a, DoA(5)) - .Times(0); - EXPECT_CALL(a, DoA(6)) - .With(_) - .Times(0); + EXPECT_CALL(a, DoA(5)).Times(0); + EXPECT_CALL(a, DoA(6)).With(_).Times(0); } TEST(ExpectCallSyntaxTest, WithCanAppearAtMostOnce) { MockA a; - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(6)) - .With(_) - .With(_); - }, ".With() cannot appear more than once in an EXPECT_CALL()"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + EXPECT_CALL(a, DoA(6)).With(_).With(_); + }, + ".With() cannot appear more than once in an EXPECT_CALL()"); a.DoA(6); } @@ -338,19 +292,19 @@ TEST(ExpectCallSyntaxTest, WithCanAppearAtMostOnce) { TEST(ExpectCallSyntaxTest, WithMustBeFirstClause) { MockA a; - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(1)) - .Times(1) - .With(_); - }, ".With() must be the first clause in an EXPECT_CALL()"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + EXPECT_CALL(a, DoA(1)).Times(1).With(_); + }, + ".With() must be the first clause in an EXPECT_CALL()"); a.DoA(1); - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(2)) - .WillOnce(Return()) - .With(_); - }, ".With() must be the first clause in an EXPECT_CALL()"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + EXPECT_CALL(a, DoA(2)).WillOnce(Return()).With(_); + }, + ".With() must be the first clause in an EXPECT_CALL()"); a.DoA(2); } @@ -358,12 +312,9 @@ TEST(ExpectCallSyntaxTest, WithMustBeFirstClause) { TEST(ExpectCallSyntaxTest, TimesCanBeInferred) { MockA a; - EXPECT_CALL(a, DoA(1)) - .WillOnce(Return()); + EXPECT_CALL(a, DoA(1)).WillOnce(Return()); - EXPECT_CALL(a, DoA(2)) - .WillOnce(Return()) - .WillRepeatedly(Return()); + EXPECT_CALL(a, DoA(2)).WillOnce(Return()).WillRepeatedly(Return()); a.DoA(1); a.DoA(2); @@ -373,11 +324,11 @@ TEST(ExpectCallSyntaxTest, TimesCanBeInferred) { TEST(ExpectCallSyntaxTest, TimesCanAppearAtMostOnce) { MockA a; - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(1)) - .Times(1) - .Times(2); - }, ".Times() cannot appear more than once in an EXPECT_CALL()"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + EXPECT_CALL(a, DoA(1)).Times(1).Times(2); + }, + ".Times() cannot appear more than once in an EXPECT_CALL()"); a.DoA(1); a.DoA(1); @@ -387,11 +338,11 @@ TEST(ExpectCallSyntaxTest, TimesMustBeBeforeInSequence) { MockA a; Sequence s; - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(1)) - .InSequence(s) - .Times(1); - }, ".Times() cannot appear after "); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + EXPECT_CALL(a, DoA(1)).InSequence(s).Times(1); + }, + ".Times() may only appear *before* "); a.DoA(1); } @@ -401,8 +352,7 @@ TEST(ExpectCallSyntaxTest, InSequenceIsOptional) { Sequence s; EXPECT_CALL(a, DoA(1)); - EXPECT_CALL(a, DoA(2)) - .InSequence(s); + EXPECT_CALL(a, DoA(2)).InSequence(s); a.DoA(1); a.DoA(2); @@ -412,9 +362,7 @@ TEST(ExpectCallSyntaxTest, InSequenceCanAppearMultipleTimes) { MockA a; Sequence s1, s2; - EXPECT_CALL(a, DoA(1)) - .InSequence(s1, s2) - .InSequence(s1); + EXPECT_CALL(a, DoA(1)).InSequence(s1, s2).InSequence(s1); a.DoA(1); } @@ -423,13 +371,12 @@ TEST(ExpectCallSyntaxTest, InSequenceMustBeBeforeAfter) { MockA a; Sequence s; - Expectation e = EXPECT_CALL(a, DoA(1)) - .Times(AnyNumber()); - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(2)) - .After(e) - .InSequence(s); - }, ".InSequence() cannot appear after "); + Expectation e = EXPECT_CALL(a, DoA(1)).Times(AnyNumber()); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + EXPECT_CALL(a, DoA(2)).After(e).InSequence(s); + }, + ".InSequence() cannot appear after "); a.DoA(2); } @@ -438,11 +385,11 @@ TEST(ExpectCallSyntaxTest, InSequenceMustBeBeforeWillOnce) { MockA a; Sequence s; - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(1)) - .WillOnce(Return()) - .InSequence(s); - }, ".InSequence() cannot appear after "); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + EXPECT_CALL(a, DoA(1)).WillOnce(Return()).InSequence(s); + }, + ".InSequence() cannot appear after "); a.DoA(1); } @@ -451,11 +398,9 @@ TEST(ExpectCallSyntaxTest, AfterMustBeBeforeWillOnce) { MockA a; Expectation e = EXPECT_CALL(a, DoA(1)); - EXPECT_NONFATAL_FAILURE({ - EXPECT_CALL(a, DoA(2)) - .WillOnce(Return()) - .After(e); - }, ".After() cannot appear after "); + EXPECT_NONFATAL_FAILURE( + { EXPECT_CALL(a, DoA(2)).WillOnce(Return()).After(e); }, + ".After() cannot appear after "); a.DoA(1); a.DoA(2); @@ -465,8 +410,7 @@ TEST(ExpectCallSyntaxTest, WillIsOptional) { MockA a; EXPECT_CALL(a, DoA(1)); - EXPECT_CALL(a, DoA(2)) - .WillOnce(Return()); + EXPECT_CALL(a, DoA(2)).WillOnce(Return()); a.DoA(1); a.DoA(2); @@ -485,11 +429,11 @@ TEST(ExpectCallSyntaxTest, WillCanAppearMultipleTimes) { TEST(ExpectCallSyntaxTest, WillMustBeBeforeWillRepeatedly) { MockA a; - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(1)) - .WillRepeatedly(Return()) - .WillOnce(Return()); - }, ".WillOnce() cannot appear after "); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + EXPECT_CALL(a, DoA(1)).WillRepeatedly(Return()).WillOnce(Return()); + }, + ".WillOnce() cannot appear after "); a.DoA(1); } @@ -497,11 +441,8 @@ TEST(ExpectCallSyntaxTest, WillMustBeBeforeWillRepeatedly) { TEST(ExpectCallSyntaxTest, WillRepeatedlyIsOptional) { MockA a; - EXPECT_CALL(a, DoA(1)) - .WillOnce(Return()); - EXPECT_CALL(a, DoA(2)) - .WillOnce(Return()) - .WillRepeatedly(Return()); + EXPECT_CALL(a, DoA(1)).WillOnce(Return()); + EXPECT_CALL(a, DoA(2)).WillOnce(Return()).WillRepeatedly(Return()); a.DoA(1); a.DoA(2); @@ -511,30 +452,30 @@ TEST(ExpectCallSyntaxTest, WillRepeatedlyIsOptional) { TEST(ExpectCallSyntaxTest, WillRepeatedlyCannotAppearMultipleTimes) { MockA a; - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(1)) - .WillRepeatedly(Return()) - .WillRepeatedly(Return()); - }, ".WillRepeatedly() cannot appear more than once in an " - "EXPECT_CALL()"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + EXPECT_CALL(a, DoA(1)).WillRepeatedly(Return()).WillRepeatedly( + Return()); + }, + ".WillRepeatedly() cannot appear more than once in an " + "EXPECT_CALL()"); } TEST(ExpectCallSyntaxTest, WillRepeatedlyMustBeBeforeRetiresOnSaturation) { MockA a; - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(1)) - .RetiresOnSaturation() - .WillRepeatedly(Return()); - }, ".WillRepeatedly() cannot appear after "); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + EXPECT_CALL(a, DoA(1)).RetiresOnSaturation().WillRepeatedly(Return()); + }, + ".WillRepeatedly() cannot appear after "); } TEST(ExpectCallSyntaxTest, RetiresOnSaturationIsOptional) { MockA a; EXPECT_CALL(a, DoA(1)); - EXPECT_CALL(a, DoA(1)) - .RetiresOnSaturation(); + EXPECT_CALL(a, DoA(1)).RetiresOnSaturation(); a.DoA(1); a.DoA(1); @@ -543,11 +484,11 @@ TEST(ExpectCallSyntaxTest, RetiresOnSaturationIsOptional) { TEST(ExpectCallSyntaxTest, RetiresOnSaturationCannotAppearMultipleTimes) { MockA a; - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(1)) - .RetiresOnSaturation() - .RetiresOnSaturation(); - }, ".RetiresOnSaturation() cannot appear more than once"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + EXPECT_CALL(a, DoA(1)).RetiresOnSaturation().RetiresOnSaturation(); + }, + ".RetiresOnSaturation() cannot appear more than once"); a.DoA(1); } @@ -558,16 +499,20 @@ TEST(ExpectCallSyntaxTest, DefaultCardinalityIsOnce) { EXPECT_CALL(a, DoA(1)); a.DoA(1); } - EXPECT_NONFATAL_FAILURE({ // NOLINT - MockA a; - EXPECT_CALL(a, DoA(1)); - }, "to be called once"); - EXPECT_NONFATAL_FAILURE({ // NOLINT - MockA a; - EXPECT_CALL(a, DoA(1)); - a.DoA(1); - a.DoA(1); - }, "to be called once"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + MockA a; + EXPECT_CALL(a, DoA(1)); + }, + "to be called once"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + MockA a; + EXPECT_CALL(a, DoA(1)); + a.DoA(1); + a.DoA(1); + }, + "to be called once"); } #if GTEST_HAS_STREAM_REDIRECTION @@ -580,13 +525,9 @@ TEST(ExpectCallSyntaxTest, DoesNotWarnOnAdequateActionCount) { MockB b; // It's always fine to omit WillOnce() entirely. - EXPECT_CALL(b, DoB()) - .Times(0); - EXPECT_CALL(b, DoB(1)) - .Times(AtMost(1)); - EXPECT_CALL(b, DoB(2)) - .Times(1) - .WillRepeatedly(Return(1)); + EXPECT_CALL(b, DoB()).Times(0); + EXPECT_CALL(b, DoB(1)).Times(AtMost(1)); + EXPECT_CALL(b, DoB(2)).Times(1).WillRepeatedly(Return(1)); // It's fine for the number of WillOnce()s to equal the upper bound. EXPECT_CALL(b, DoB(3)) @@ -596,10 +537,8 @@ TEST(ExpectCallSyntaxTest, DoesNotWarnOnAdequateActionCount) { // It's fine for the number of WillOnce()s to be smaller than the // upper bound when there is a WillRepeatedly(). - EXPECT_CALL(b, DoB(4)) - .Times(AtMost(3)) - .WillOnce(Return(1)) - .WillRepeatedly(Return(2)); + EXPECT_CALL(b, DoB(4)).Times(AtMost(3)).WillOnce(Return(1)).WillRepeatedly( + Return(2)); // Satisfies the above expectations. b.DoB(2); @@ -616,13 +555,9 @@ TEST(ExpectCallSyntaxTest, WarnsOnTooManyActions) { MockB b; // Warns when the number of WillOnce()s is larger than the upper bound. - EXPECT_CALL(b, DoB()) - .Times(0) - .WillOnce(Return(1)); // #1 - EXPECT_CALL(b, DoB()) - .Times(AtMost(1)) - .WillOnce(Return(1)) - .WillOnce(Return(2)); // #2 + EXPECT_CALL(b, DoB()).Times(0).WillOnce(Return(1)); // #1 + EXPECT_CALL(b, DoB()).Times(AtMost(1)).WillOnce(Return(1)).WillOnce( + Return(2)); // #2 EXPECT_CALL(b, DoB(1)) .Times(1) .WillOnce(Return(1)) @@ -631,41 +566,34 @@ TEST(ExpectCallSyntaxTest, WarnsOnTooManyActions) { // Warns when the number of WillOnce()s equals the upper bound and // there is a WillRepeatedly(). - EXPECT_CALL(b, DoB()) - .Times(0) - .WillRepeatedly(Return(1)); // #4 - EXPECT_CALL(b, DoB(2)) - .Times(1) - .WillOnce(Return(1)) - .WillRepeatedly(Return(2)); // #5 + EXPECT_CALL(b, DoB()).Times(0).WillRepeatedly(Return(1)); // #4 + EXPECT_CALL(b, DoB(2)).Times(1).WillOnce(Return(1)).WillRepeatedly( + Return(2)); // #5 // Satisfies the above expectations. b.DoB(1); b.DoB(2); } const std::string output = GetCapturedStdout(); - EXPECT_PRED_FORMAT2( - IsSubstring, - "Too many actions specified in EXPECT_CALL(b, DoB())...\n" - "Expected to be never called, but has 1 WillOnce().", - output); // #1 - EXPECT_PRED_FORMAT2( - IsSubstring, - "Too many actions specified in EXPECT_CALL(b, DoB())...\n" - "Expected to be called at most once, " - "but has 2 WillOnce()s.", - output); // #2 + EXPECT_PRED_FORMAT2(IsSubstring, + "Too many actions specified in EXPECT_CALL(b, DoB())...\n" + "Expected to be never called, but has 1 WillOnce().", + output); // #1 + EXPECT_PRED_FORMAT2(IsSubstring, + "Too many actions specified in EXPECT_CALL(b, DoB())...\n" + "Expected to be called at most once, " + "but has 2 WillOnce()s.", + output); // #2 EXPECT_PRED_FORMAT2( IsSubstring, "Too many actions specified in EXPECT_CALL(b, DoB(1))...\n" "Expected to be called once, but has 2 WillOnce()s.", output); // #3 - EXPECT_PRED_FORMAT2( - IsSubstring, - "Too many actions specified in EXPECT_CALL(b, DoB())...\n" - "Expected to be never called, but has 0 WillOnce()s " - "and a WillRepeatedly().", - output); // #4 + EXPECT_PRED_FORMAT2(IsSubstring, + "Too many actions specified in EXPECT_CALL(b, DoB())...\n" + "Expected to be never called, but has 0 WillOnce()s " + "and a WillRepeatedly().", + output); // #4 EXPECT_PRED_FORMAT2( IsSubstring, "Too many actions specified in EXPECT_CALL(b, DoB(2))...\n" @@ -679,26 +607,23 @@ TEST(ExpectCallSyntaxTest, WarnsOnTooManyActions) { TEST(ExpectCallSyntaxTest, WarnsOnTooFewActions) { MockB b; - EXPECT_CALL(b, DoB()) - .Times(Between(2, 3)) - .WillOnce(Return(1)); + EXPECT_CALL(b, DoB()).Times(Between(2, 3)).WillOnce(Return(1)); CaptureStdout(); b.DoB(); const std::string output = GetCapturedStdout(); - EXPECT_PRED_FORMAT2( - IsSubstring, - "Too few actions specified in EXPECT_CALL(b, DoB())...\n" - "Expected to be called between 2 and 3 times, " - "but has only 1 WillOnce().", - output); + EXPECT_PRED_FORMAT2(IsSubstring, + "Too few actions specified in EXPECT_CALL(b, DoB())...\n" + "Expected to be called between 2 and 3 times, " + "but has only 1 WillOnce().", + output); b.DoB(); } TEST(ExpectCallSyntaxTest, WarningIsErrorWithFlag) { - int original_behavior = testing::GMOCK_FLAG(default_mock_behavior); + int original_behavior = GMOCK_FLAG_GET(default_mock_behavior); - testing::GMOCK_FLAG(default_mock_behavior) = kAllow; + GMOCK_FLAG_SET(default_mock_behavior, kAllow); CaptureStdout(); { MockA a; @@ -707,7 +632,7 @@ TEST(ExpectCallSyntaxTest, WarningIsErrorWithFlag) { std::string output = GetCapturedStdout(); EXPECT_TRUE(output.empty()) << output; - testing::GMOCK_FLAG(default_mock_behavior) = kWarn; + GMOCK_FLAG_SET(default_mock_behavior, kWarn); CaptureStdout(); { MockA a; @@ -718,14 +643,16 @@ TEST(ExpectCallSyntaxTest, WarningIsErrorWithFlag) { EXPECT_PRED_FORMAT2(IsSubstring, "Uninteresting mock function call", warning_output); - testing::GMOCK_FLAG(default_mock_behavior) = kFail; - EXPECT_NONFATAL_FAILURE({ - MockA a; - a.DoA(0); - }, "Uninteresting mock function call"); + GMOCK_FLAG_SET(default_mock_behavior, kFail); + EXPECT_NONFATAL_FAILURE( + { + MockA a; + a.DoA(0); + }, + "Uninteresting mock function call"); // Out of bounds values are converted to kWarn - testing::GMOCK_FLAG(default_mock_behavior) = -1; + GMOCK_FLAG_SET(default_mock_behavior, -1); CaptureStdout(); { MockA a; @@ -735,7 +662,7 @@ TEST(ExpectCallSyntaxTest, WarningIsErrorWithFlag) { EXPECT_PRED_FORMAT2(IsSubstring, "GMOCK WARNING", warning_output); EXPECT_PRED_FORMAT2(IsSubstring, "Uninteresting mock function call", warning_output); - testing::GMOCK_FLAG(default_mock_behavior) = 3; + GMOCK_FLAG_SET(default_mock_behavior, 3); CaptureStdout(); { MockA a; @@ -746,7 +673,7 @@ TEST(ExpectCallSyntaxTest, WarningIsErrorWithFlag) { EXPECT_PRED_FORMAT2(IsSubstring, "Uninteresting mock function call", warning_output); - testing::GMOCK_FLAG(default_mock_behavior) = original_behavior; + GMOCK_FLAG_SET(default_mock_behavior, original_behavior); } #endif // GTEST_HAS_STREAM_REDIRECTION @@ -766,8 +693,7 @@ TEST(OnCallTest, TakesBuiltInDefaultActionWhenNoOnCall) { // matches the invocation. TEST(OnCallTest, TakesBuiltInDefaultActionWhenNoOnCallMatches) { MockB b; - ON_CALL(b, DoB(1)) - .WillByDefault(Return(1)); + ON_CALL(b, DoB(1)).WillByDefault(Return(1)); EXPECT_CALL(b, DoB(_)); EXPECT_EQ(0, b.DoB(2)); @@ -776,12 +702,9 @@ TEST(OnCallTest, TakesBuiltInDefaultActionWhenNoOnCallMatches) { // Tests that the last matching ON_CALL() action is taken. TEST(OnCallTest, PicksLastMatchingOnCall) { MockB b; - ON_CALL(b, DoB(_)) - .WillByDefault(Return(3)); - ON_CALL(b, DoB(2)) - .WillByDefault(Return(2)); - ON_CALL(b, DoB(1)) - .WillByDefault(Return(1)); + ON_CALL(b, DoB(_)).WillByDefault(Return(3)); + ON_CALL(b, DoB(2)).WillByDefault(Return(2)); + ON_CALL(b, DoB(1)).WillByDefault(Return(1)); EXPECT_CALL(b, DoB(_)); EXPECT_EQ(2, b.DoB(2)); @@ -805,25 +728,25 @@ TEST(ExpectCallTest, AllowsAnyCallWhenNoSpec) { // Tests that the last matching EXPECT_CALL() fires. TEST(ExpectCallTest, PicksLastMatchingExpectCall) { MockB b; - EXPECT_CALL(b, DoB(_)) - .WillRepeatedly(Return(2)); - EXPECT_CALL(b, DoB(1)) - .WillRepeatedly(Return(1)); + EXPECT_CALL(b, DoB(_)).WillRepeatedly(Return(2)); + EXPECT_CALL(b, DoB(1)).WillRepeatedly(Return(1)); EXPECT_EQ(1, b.DoB(1)); } // Tests lower-bound violation. TEST(ExpectCallTest, CatchesTooFewCalls) { - EXPECT_NONFATAL_FAILURE({ // NOLINT - MockB b; - EXPECT_CALL(b, DoB(5)) - .Times(AtLeast(2)); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + MockB b; + EXPECT_CALL(b, DoB(5)).Description("DoB Method").Times(AtLeast(2)); - b.DoB(5); - }, "Actual function call count doesn't match EXPECT_CALL(b, DoB(5))...\n" - " Expected: to be called at least twice\n" - " Actual: called once - unsatisfied and active"); + b.DoB(5); + }, + "Actual function \"DoB Method\" call count " + "doesn't match EXPECT_CALL(b, DoB(5))...\n" + " Expected: to be called at least twice\n" + " Actual: called once - unsatisfied and active"); } // Tests that the cardinality can be inferred when no Times(...) is @@ -831,28 +754,24 @@ TEST(ExpectCallTest, CatchesTooFewCalls) { TEST(ExpectCallTest, InfersCardinalityWhenThereIsNoWillRepeatedly) { { MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)) - .WillOnce(Return(2)); + EXPECT_CALL(b, DoB()).WillOnce(Return(1)).WillOnce(Return(2)); EXPECT_EQ(1, b.DoB()); EXPECT_EQ(2, b.DoB()); } - EXPECT_NONFATAL_FAILURE({ // NOLINT - MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)) - .WillOnce(Return(2)); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + MockB b; + EXPECT_CALL(b, DoB()).WillOnce(Return(1)).WillOnce(Return(2)); - EXPECT_EQ(1, b.DoB()); - }, "to be called twice"); + EXPECT_EQ(1, b.DoB()); + }, + "to be called twice"); { // NOLINT MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)) - .WillOnce(Return(2)); + EXPECT_CALL(b, DoB()).WillOnce(Return(1)).WillOnce(Return(2)); EXPECT_EQ(1, b.DoB()); EXPECT_EQ(2, b.DoB()); @@ -863,40 +782,79 @@ TEST(ExpectCallTest, InfersCardinalityWhenThereIsNoWillRepeatedly) { TEST(ExpectCallTest, InfersCardinality1WhenThereIsWillRepeatedly) { { MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)) - .WillRepeatedly(Return(2)); + EXPECT_CALL(b, DoB()).WillOnce(Return(1)).WillRepeatedly(Return(2)); EXPECT_EQ(1, b.DoB()); } { // NOLINT MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)) - .WillRepeatedly(Return(2)); + EXPECT_CALL(b, DoB()).WillOnce(Return(1)).WillRepeatedly(Return(2)); EXPECT_EQ(1, b.DoB()); EXPECT_EQ(2, b.DoB()); EXPECT_EQ(2, b.DoB()); } - EXPECT_NONFATAL_FAILURE({ // NOLINT - MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)) - .WillRepeatedly(Return(2)); - }, "to be called at least once"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + MockB b; + EXPECT_CALL(b, DoB()).WillOnce(Return(1)).WillRepeatedly(Return(2)); + }, + "to be called at least once"); } +#if defined(GTEST_INTERNAL_CPLUSPLUS_LANG) && \ + GTEST_INTERNAL_CPLUSPLUS_LANG >= 201703L + +// It should be possible to return a non-moveable type from a mock action in +// C++17 and above, where it's guaranteed that such a type can be initialized +// from a prvalue returned from a function. +TEST(ExpectCallTest, NonMoveableType) { + // Define a non-moveable result type. + struct NonMoveableStruct { + explicit NonMoveableStruct(int x_in) : x(x_in) {} + NonMoveableStruct(NonMoveableStruct&&) = delete; + + int x; + }; + + static_assert(!std::is_move_constructible_v<NonMoveableStruct>); + static_assert(!std::is_copy_constructible_v<NonMoveableStruct>); + + static_assert(!std::is_move_assignable_v<NonMoveableStruct>); + static_assert(!std::is_copy_assignable_v<NonMoveableStruct>); + + // We should be able to use a callable that returns that result as both a + // OnceAction and an Action, whether the callable ignores arguments or not. + const auto return_17 = [] { return NonMoveableStruct(17); }; + + static_cast<void>(OnceAction<NonMoveableStruct()>{return_17}); + static_cast<void>(Action<NonMoveableStruct()>{return_17}); + + static_cast<void>(OnceAction<NonMoveableStruct(int)>{return_17}); + static_cast<void>(Action<NonMoveableStruct(int)>{return_17}); + + // It should be possible to return the result end to end through an + // EXPECT_CALL statement, with both WillOnce and WillRepeatedly. + MockFunction<NonMoveableStruct()> mock; + EXPECT_CALL(mock, Call) // + .WillOnce(return_17) // + .WillRepeatedly(return_17); + + EXPECT_EQ(17, mock.AsStdFunction()().x); + EXPECT_EQ(17, mock.AsStdFunction()().x); + EXPECT_EQ(17, mock.AsStdFunction()().x); +} + +#endif // C++17 and above + // Tests that the n-th action is taken for the n-th matching // invocation. TEST(ExpectCallTest, NthMatchTakesNthAction) { MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)) - .WillOnce(Return(2)) - .WillOnce(Return(3)); + EXPECT_CALL(b, DoB()).WillOnce(Return(1)).WillOnce(Return(2)).WillOnce( + Return(3)); EXPECT_EQ(1, b.DoB()); EXPECT_EQ(2, b.DoB()); @@ -907,9 +865,7 @@ TEST(ExpectCallTest, NthMatchTakesNthAction) { // list is exhausted. TEST(ExpectCallTest, TakesRepeatedActionWhenWillListIsExhausted) { MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)) - .WillRepeatedly(Return(2)); + EXPECT_CALL(b, DoB()).WillOnce(Return(1)).WillRepeatedly(Return(2)); EXPECT_EQ(1, b.DoB()); EXPECT_EQ(2, b.DoB()); @@ -922,8 +878,7 @@ TEST(ExpectCallTest, TakesRepeatedActionWhenWillListIsExhausted) { // exhausted and there is no WillRepeatedly(). TEST(ExpectCallTest, TakesDefaultActionWhenWillListIsExhausted) { MockB b; - EXPECT_CALL(b, DoB(_)) - .Times(1); + EXPECT_CALL(b, DoB(_)).Times(1); EXPECT_CALL(b, DoB()) .Times(AnyNumber()) .WillOnce(Return(1)) @@ -985,8 +940,7 @@ TEST(UninterestingCallTest, DoesDefaultAction) { // When there is an ON_CALL() statement, the action specified by it // should be taken. MockA a; - ON_CALL(a, Binary(_, _)) - .WillByDefault(Return(true)); + ON_CALL(a, Binary(_, _)).WillByDefault(Return(true)); EXPECT_TRUE(a.Binary(1, 2)); // When there is no ON_CALL(), the default value for the return type @@ -1000,8 +954,7 @@ TEST(UnexpectedCallTest, DoesDefaultAction) { // When there is an ON_CALL() statement, the action specified by it // should be taken. MockA a; - ON_CALL(a, Binary(_, _)) - .WillByDefault(Return(true)); + ON_CALL(a, Binary(_, _)).WillByDefault(Return(true)); EXPECT_CALL(a, Binary(0, 0)); a.Binary(0, 0); bool result = false; @@ -1012,11 +965,9 @@ TEST(UnexpectedCallTest, DoesDefaultAction) { // When there is no ON_CALL(), the default value for the return type // should be returned. MockB b; - EXPECT_CALL(b, DoB(0)) - .Times(0); + EXPECT_CALL(b, DoB(0)).Times(0); int n = -1; - EXPECT_NONFATAL_FAILURE(n = b.DoB(1), - "Unexpected mock function call"); + EXPECT_NONFATAL_FAILURE(n = b.DoB(1), "Unexpected mock function call"); EXPECT_EQ(0, n); } @@ -1093,14 +1044,12 @@ TEST(UnexpectedCallTest, GeneartesFailureForNonVoidFunction) { // match the call. TEST(UnexpectedCallTest, RetiredExpectation) { MockB b; - EXPECT_CALL(b, DoB(1)) - .RetiresOnSaturation(); + EXPECT_CALL(b, DoB(1)).RetiresOnSaturation(); b.DoB(1); - EXPECT_NONFATAL_FAILURE( - b.DoB(1), - " Expected: the expectation is active\n" - " Actual: it is retired"); + EXPECT_NONFATAL_FAILURE(b.DoB(1), + " Expected: the expectation is active\n" + " Actual: it is retired"); } // Tests that Google Mock explains that an expectation that doesn't @@ -1109,27 +1058,21 @@ TEST(UnexpectedCallTest, UnmatchedArguments) { MockB b; EXPECT_CALL(b, DoB(1)); - EXPECT_NONFATAL_FAILURE( - b.DoB(2), - " Expected arg #0: is equal to 1\n" - " Actual: 2\n"); + EXPECT_NONFATAL_FAILURE(b.DoB(2), + " Expected arg #0: is equal to 1\n" + " Actual: 2\n"); b.DoB(1); } // Tests that Google Mock explains that an expectation with // unsatisfied pre-requisites doesn't match the call. -TEST(UnexpectedCallTest, UnsatisifiedPrerequisites) { +TEST(UnexpectedCallTest, UnsatisfiedPrerequisites) { Sequence s1, s2; MockB b; - EXPECT_CALL(b, DoB(1)) - .InSequence(s1); - EXPECT_CALL(b, DoB(2)) - .Times(AnyNumber()) - .InSequence(s1); - EXPECT_CALL(b, DoB(3)) - .InSequence(s2); - EXPECT_CALL(b, DoB(4)) - .InSequence(s1, s2); + EXPECT_CALL(b, DoB(1)).InSequence(s1); + EXPECT_CALL(b, DoB(2)).Times(AnyNumber()).InSequence(s1); + EXPECT_CALL(b, DoB(3)).InSequence(s2); + EXPECT_CALL(b, DoB(4)).InSequence(s1, s2); ::testing::TestPartResultArray failures; { @@ -1146,27 +1089,22 @@ TEST(UnexpectedCallTest, UnsatisifiedPrerequisites) { // Verifies that the failure message contains the two unsatisfied // pre-requisites but not the satisfied one. -#if GTEST_USES_PCRE - EXPECT_THAT(r.message(), ContainsRegex( - // PCRE has trouble using (.|\n) to match any character, but - // supports the (?s) prefix for using . to match any character. - "(?s)the following immediate pre-requisites are not satisfied:\n" - ".*: pre-requisite #0\n" - ".*: pre-requisite #1")); -#elif GTEST_USES_POSIX_RE - EXPECT_THAT(r.message(), ContainsRegex( - // POSIX RE doesn't understand the (?s) prefix, but has no trouble - // with (.|\n). - "the following immediate pre-requisites are not satisfied:\n" - "(.|\n)*: pre-requisite #0\n" - "(.|\n)*: pre-requisite #1")); +#ifdef GTEST_USES_POSIX_RE + EXPECT_THAT(r.message(), + ContainsRegex( + // POSIX RE doesn't understand the (?s) prefix, but has no + // trouble with (.|\n). + "the following immediate pre-requisites are not satisfied:\n" + "(.|\n)*: pre-requisite #0\n" + "(.|\n)*: pre-requisite #1")); #else // We can only use Google Test's own simple regex. - EXPECT_THAT(r.message(), ContainsRegex( - "the following immediate pre-requisites are not satisfied:")); + EXPECT_THAT(r.message(), + ContainsRegex( + "the following immediate pre-requisites are not satisfied:")); EXPECT_THAT(r.message(), ContainsRegex(": pre-requisite #0")); EXPECT_THAT(r.message(), ContainsRegex(": pre-requisite #1")); -#endif // GTEST_USES_PCRE +#endif // GTEST_USES_POSIX_RE b.DoB(1); b.DoB(3); @@ -1192,8 +1130,7 @@ TEST(ExcessiveCallTest, DoesDefaultAction) { // When there is an ON_CALL() statement, the action specified by it // should be taken. MockA a; - ON_CALL(a, Binary(_, _)) - .WillByDefault(Return(true)); + ON_CALL(a, Binary(_, _)).WillByDefault(Return(true)); EXPECT_CALL(a, Binary(0, 0)); a.Binary(0, 0); bool result = false; @@ -1204,11 +1141,11 @@ TEST(ExcessiveCallTest, DoesDefaultAction) { // When there is no ON_CALL(), the default value for the return type // should be returned. MockB b; - EXPECT_CALL(b, DoB(0)) - .Times(0); + EXPECT_CALL(b, DoB(0)).Description("DoB Method").Times(0); int n = -1; - EXPECT_NONFATAL_FAILURE(n = b.DoB(0), - "Mock function called more times than expected"); + EXPECT_NONFATAL_FAILURE( + n = b.DoB(0), + "Mock function \"DoB Method\" called more times than expected"); EXPECT_EQ(0, n); } @@ -1216,11 +1153,11 @@ TEST(ExcessiveCallTest, DoesDefaultAction) { // the failure message contains the argument values. TEST(ExcessiveCallTest, GeneratesFailureForVoidFunction) { MockA a; - EXPECT_CALL(a, DoA(_)) - .Times(0); + EXPECT_CALL(a, DoA(_)).Description("DoA Method").Times(0); EXPECT_NONFATAL_FAILURE( a.DoA(9), - "Mock function called more times than expected - returning directly.\n" + "Mock function \"DoA Method\" called more times than expected - " + "returning directly.\n" " Function call: DoA(9)\n" " Expected: to be never called\n" " Actual: called once - over-saturated and active"); @@ -1253,9 +1190,11 @@ TEST(InSequenceTest, AllExpectationInScopeAreInSequence) { EXPECT_CALL(a, DoA(2)); } - EXPECT_NONFATAL_FAILURE({ // NOLINT - a.DoA(2); - }, "Unexpected mock function call"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + a.DoA(2); + }, + "Unexpected mock function call"); a.DoA(1); a.DoA(2); @@ -1275,10 +1214,12 @@ TEST(InSequenceTest, NestedInSequence) { } } - EXPECT_NONFATAL_FAILURE({ // NOLINT - a.DoA(1); - a.DoA(3); - }, "Unexpected mock function call"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + a.DoA(1); + a.DoA(3); + }, + "Unexpected mock function call"); a.DoA(2); a.DoA(3); @@ -1294,9 +1235,11 @@ TEST(InSequenceTest, ExpectationsOutOfScopeAreNotAffected) { } EXPECT_CALL(a, DoA(3)); - EXPECT_NONFATAL_FAILURE({ // NOLINT - a.DoA(2); - }, "Unexpected mock function call"); + EXPECT_NONFATAL_FAILURE( + { // NOLINT + a.DoA(2); + }, + "Unexpected mock function call"); a.DoA(3); a.DoA(1); @@ -1310,8 +1253,7 @@ TEST(SequenceTest, AnyOrderIsOkByDefault) { MockB b; EXPECT_CALL(a, DoA(1)); - EXPECT_CALL(b, DoB()) - .Times(AnyNumber()); + EXPECT_CALL(b, DoB()).Times(AnyNumber()); a.DoA(1); b.DoB(); @@ -1322,8 +1264,7 @@ TEST(SequenceTest, AnyOrderIsOkByDefault) { MockB b; EXPECT_CALL(a, DoA(1)); - EXPECT_CALL(b, DoB()) - .Times(AnyNumber()); + EXPECT_CALL(b, DoB()).Times(AnyNumber()); b.DoB(); a.DoA(1); @@ -1334,16 +1275,12 @@ TEST(SequenceTest, AnyOrderIsOkByDefault) { // is specified. TEST(SequenceTest, CallsMustBeInStrictOrderWhenSaidSo1) { MockA a; - ON_CALL(a, ReturnResult(_)) - .WillByDefault(Return(Result())); + ON_CALL(a, ReturnResult(_)).WillByDefault(Return(Result())); Sequence s; - EXPECT_CALL(a, ReturnResult(1)) - .InSequence(s); - EXPECT_CALL(a, ReturnResult(2)) - .InSequence(s); - EXPECT_CALL(a, ReturnResult(3)) - .InSequence(s); + EXPECT_CALL(a, ReturnResult(1)).InSequence(s); + EXPECT_CALL(a, ReturnResult(2)).InSequence(s); + EXPECT_CALL(a, ReturnResult(3)).InSequence(s); a.ReturnResult(1); @@ -1358,14 +1295,11 @@ TEST(SequenceTest, CallsMustBeInStrictOrderWhenSaidSo1) { // is specified. TEST(SequenceTest, CallsMustBeInStrictOrderWhenSaidSo2) { MockA a; - ON_CALL(a, ReturnResult(_)) - .WillByDefault(Return(Result())); + ON_CALL(a, ReturnResult(_)).WillByDefault(Return(Result())); Sequence s; - EXPECT_CALL(a, ReturnResult(1)) - .InSequence(s); - EXPECT_CALL(a, ReturnResult(2)) - .InSequence(s); + EXPECT_CALL(a, ReturnResult(1)).InSequence(s); + EXPECT_CALL(a, ReturnResult(2)).InSequence(s); // May only be called after a.ReturnResult(1). EXPECT_NONFATAL_FAILURE(a.ReturnResult(2), "Unexpected mock function call"); @@ -1378,8 +1312,7 @@ TEST(SequenceTest, CallsMustBeInStrictOrderWhenSaidSo2) { class PartialOrderTest : public testing::Test { protected: PartialOrderTest() { - ON_CALL(a_, ReturnResult(_)) - .WillByDefault(Return(Result())); + ON_CALL(a_, ReturnResult(_)).WillByDefault(Return(Result())); // Specifies this partial ordering: // @@ -1387,16 +1320,10 @@ class PartialOrderTest : public testing::Test { // a.ReturnResult(2) * n ==> a.ReturnResult(3) // b.DoB() * 2 ==> Sequence x, y; - EXPECT_CALL(a_, ReturnResult(1)) - .InSequence(x); - EXPECT_CALL(b_, DoB()) - .Times(2) - .InSequence(y); - EXPECT_CALL(a_, ReturnResult(2)) - .Times(AnyNumber()) - .InSequence(x, y); - EXPECT_CALL(a_, ReturnResult(3)) - .InSequence(x); + EXPECT_CALL(a_, ReturnResult(1)).InSequence(x); + EXPECT_CALL(b_, DoB()).Times(2).InSequence(y); + EXPECT_CALL(a_, ReturnResult(2)).Times(AnyNumber()).InSequence(x, y); + EXPECT_CALL(a_, ReturnResult(3)).InSequence(x); } MockA a_; @@ -1448,13 +1375,9 @@ TEST(SequenceTest, Retirement) { MockA a; Sequence s; - EXPECT_CALL(a, DoA(1)) - .InSequence(s); - EXPECT_CALL(a, DoA(_)) - .InSequence(s) - .RetiresOnSaturation(); - EXPECT_CALL(a, DoA(1)) - .InSequence(s); + EXPECT_CALL(a, DoA(1)).InSequence(s); + EXPECT_CALL(a, DoA(_)).InSequence(s).RetiresOnSaturation(); + EXPECT_CALL(a, DoA(1)).InSequence(s); a.DoA(1); a.DoA(2); @@ -1519,12 +1442,12 @@ TEST(ExpectationSetTest, ConstructorsWork) { Expectation e1; const Expectation e2; - ExpectationSet es1; // Default ctor. + ExpectationSet es1; // Default ctor. ExpectationSet es2 = EXPECT_CALL(a, DoA(1)); // Ctor from EXPECT_CALL. - ExpectationSet es3 = e1; // Ctor from Expectation. - ExpectationSet es4(e1); // Ctor from Expectation; alternative syntax. - ExpectationSet es5 = e2; // Ctor from const Expectation. - ExpectationSet es6(e2); // Ctor from const Expectation; alternative syntax. + ExpectationSet es3 = e1; // Ctor from Expectation. + ExpectationSet es4(e1); // Ctor from Expectation; alternative syntax. + ExpectationSet es5 = e2; // Ctor from const Expectation. + ExpectationSet es6(e2); // Ctor from const Expectation; alternative syntax. ExpectationSet es7 = es2; // Copy ctor. EXPECT_EQ(0, es1.size()); @@ -1596,7 +1519,7 @@ TEST(ExpectationSetTest, IsEnumerable) { EXPECT_TRUE(it != es.end()); EXPECT_THAT(*it, Eq(Expectation())); ++it; - EXPECT_TRUE(it== es.end()); + EXPECT_TRUE(it == es.end()); } // Tests the .After() clause. @@ -1606,8 +1529,7 @@ TEST(AfterTest, SucceedsWhenPartialOrderIsSatisfied) { ExpectationSet es; es += EXPECT_CALL(a, DoA(1)); es += EXPECT_CALL(a, DoA(2)); - EXPECT_CALL(a, DoA(3)) - .After(es); + EXPECT_CALL(a, DoA(3)).After(es); a.DoA(1); a.DoA(2); @@ -1620,9 +1542,7 @@ TEST(AfterTest, SucceedsWhenTotalOrderIsSatisfied) { // The following also verifies that const Expectation objects work // too. Do not remove the const modifiers. const Expectation e1 = EXPECT_CALL(a, DoA(1)); - const Expectation e2 = EXPECT_CALL(b, DoB()) - .Times(2) - .After(e1); + const Expectation e2 = EXPECT_CALL(b, DoB()).Times(2).After(e1); EXPECT_CALL(a, DoA(2)).After(e2); a.DoA(1); @@ -1639,10 +1559,8 @@ TEST(AfterTest, CallsMustBeInStrictOrderWhenSpecifiedSo1) { // Define ordering: // a.DoA(1) ==> b.DoB() ==> a.DoA(2) Expectation e1 = EXPECT_CALL(a, DoA(1)); - Expectation e2 = EXPECT_CALL(b, DoB()) - .After(e1); - EXPECT_CALL(a, DoA(2)) - .After(e2); + Expectation e2 = EXPECT_CALL(b, DoB()).After(e1); + EXPECT_CALL(a, DoA(2)).After(e2); a.DoA(1); @@ -1661,11 +1579,8 @@ TEST(AfterTest, CallsMustBeInStrictOrderWhenSpecifiedSo2) { // Define ordering: // a.DoA(1) ==> b.DoB() * 2 ==> a.DoA(2) Expectation e1 = EXPECT_CALL(a, DoA(1)); - Expectation e2 = EXPECT_CALL(b, DoB()) - .Times(2) - .After(e1); - EXPECT_CALL(a, DoA(2)) - .After(e2); + Expectation e2 = EXPECT_CALL(b, DoB()).Times(2).After(e1); + EXPECT_CALL(a, DoA(2)).After(e2); a.DoA(1); b.DoB(); @@ -1680,16 +1595,14 @@ TEST(AfterTest, CallsMustBeInStrictOrderWhenSpecifiedSo2) { // Calls must satisfy the partial order when specified so. TEST(AfterTest, CallsMustSatisfyPartialOrderWhenSpecifiedSo) { MockA a; - ON_CALL(a, ReturnResult(_)) - .WillByDefault(Return(Result())); + ON_CALL(a, ReturnResult(_)).WillByDefault(Return(Result())); // Define ordering: // a.DoA(1) ==> // a.DoA(2) ==> a.ReturnResult(3) Expectation e = EXPECT_CALL(a, DoA(1)); const ExpectationSet es = EXPECT_CALL(a, DoA(2)); - EXPECT_CALL(a, ReturnResult(3)) - .After(e, es); + EXPECT_CALL(a, ReturnResult(3)).After(e, es); // May only be called last. EXPECT_NONFATAL_FAILURE(a.ReturnResult(3), "Unexpected mock function call"); @@ -1708,8 +1621,7 @@ TEST(AfterTest, CallsMustSatisfyPartialOrderWhenSpecifiedSo2) { // a.DoA(2) ==> a.DoA(3) Expectation e = EXPECT_CALL(a, DoA(1)); const ExpectationSet es = EXPECT_CALL(a, DoA(2)); - EXPECT_CALL(a, DoA(3)) - .After(e, es); + EXPECT_CALL(a, DoA(3)).After(e, es); a.DoA(2); @@ -1726,9 +1638,7 @@ TEST(AfterTest, CanBeUsedWithInSequence) { Sequence s; Expectation e = EXPECT_CALL(a, DoA(1)); EXPECT_CALL(a, DoA(2)).InSequence(s); - EXPECT_CALL(a, DoA(3)) - .InSequence(s) - .After(e); + EXPECT_CALL(a, DoA(3)).InSequence(s).After(e); a.DoA(1); @@ -1745,10 +1655,7 @@ TEST(AfterTest, CanBeCalledManyTimes) { Expectation e1 = EXPECT_CALL(a, DoA(1)); Expectation e2 = EXPECT_CALL(a, DoA(2)); Expectation e3 = EXPECT_CALL(a, DoA(3)); - EXPECT_CALL(a, DoA(4)) - .After(e1) - .After(e2) - .After(e3); + EXPECT_CALL(a, DoA(4)).After(e1).After(e2).After(e3); a.DoA(3); a.DoA(1); @@ -1764,8 +1671,7 @@ TEST(AfterTest, AcceptsUpToFiveArguments) { Expectation e3 = EXPECT_CALL(a, DoA(3)); ExpectationSet es1 = EXPECT_CALL(a, DoA(4)); ExpectationSet es2 = EXPECT_CALL(a, DoA(5)); - EXPECT_CALL(a, DoA(6)) - .After(e1, e2, e3, es1, es2); + EXPECT_CALL(a, DoA(6)).After(e1, e2, e3, es1, es2); a.DoA(5); a.DoA(2); @@ -1778,8 +1684,7 @@ TEST(AfterTest, AcceptsUpToFiveArguments) { // .After() allows input to contain duplicated Expectations. TEST(AfterTest, AcceptsDuplicatedInput) { MockA a; - ON_CALL(a, ReturnResult(_)) - .WillByDefault(Return(Result())); + ON_CALL(a, ReturnResult(_)).WillByDefault(Return(Result())); // Define ordering: // DoA(1) ==> @@ -1789,8 +1694,7 @@ TEST(AfterTest, AcceptsDuplicatedInput) { ExpectationSet es; es += e1; es += e2; - EXPECT_CALL(a, ReturnResult(3)) - .After(e1, e2, es, e1); + EXPECT_CALL(a, ReturnResult(3)).After(e1, e2, es, e1); a.DoA(1); @@ -1807,8 +1711,7 @@ TEST(AfterTest, ChangesToExpectationSetHaveNoEffectAfterwards) { MockA a; ExpectationSet es1 = EXPECT_CALL(a, DoA(1)); Expectation e2 = EXPECT_CALL(a, DoA(2)); - EXPECT_CALL(a, DoA(3)) - .After(es1); + EXPECT_CALL(a, DoA(3)).After(es1); es1 += e2; a.DoA(1); @@ -1827,14 +1730,11 @@ TEST(DeletingMockEarlyTest, Success1) { { InSequence dummy; - EXPECT_CALL(*b1, DoB(_)) - .WillOnce(Return(1)); + EXPECT_CALL(*b1, DoB(_)).WillOnce(Return(1)); EXPECT_CALL(*a, Binary(_, _)) .Times(AnyNumber()) .WillRepeatedly(Return(true)); - EXPECT_CALL(*b2, DoB(_)) - .Times(AnyNumber()) - .WillRepeatedly(Return(2)); + EXPECT_CALL(*b2, DoB(_)).Times(AnyNumber()).WillRepeatedly(Return(2)); } EXPECT_EQ(1, b1->DoB(1)); @@ -1855,13 +1755,9 @@ TEST(DeletingMockEarlyTest, Success2) { { InSequence dummy; - EXPECT_CALL(*b1, DoB(_)) - .WillOnce(Return(1)); - EXPECT_CALL(*a, Binary(_, _)) - .Times(AnyNumber()); - EXPECT_CALL(*b2, DoB(_)) - .Times(AnyNumber()) - .WillRepeatedly(Return(2)); + EXPECT_CALL(*b1, DoB(_)).WillOnce(Return(1)); + EXPECT_CALL(*a, Binary(_, _)).Times(AnyNumber()); + EXPECT_CALL(*b2, DoB(_)).Times(AnyNumber()).WillRepeatedly(Return(2)); } delete a; // a is trivially satisfied. @@ -1875,16 +1771,11 @@ TEST(DeletingMockEarlyTest, Success2) { // Suppresses warning on unreferenced formal parameter in MSVC with // -W4. -#ifdef _MSC_VER -# pragma warning(push) -# pragma warning(disable:4100) -#endif +GTEST_DISABLE_MSC_WARNINGS_PUSH_(4100) ACTION_P(Delete, ptr) { delete ptr; } -#ifdef _MSC_VER -# pragma warning(pop) -#endif +GTEST_DISABLE_MSC_WARNINGS_POP_() // 4100 TEST(DeletingMockEarlyTest, CanDeleteSelfInActionReturningVoid) { MockA* const a = new MockA; @@ -1894,8 +1785,7 @@ TEST(DeletingMockEarlyTest, CanDeleteSelfInActionReturningVoid) { TEST(DeletingMockEarlyTest, CanDeleteSelfInActionReturningValue) { MockA* const a = new MockA; - EXPECT_CALL(*a, ReturnResult(_)) - .WillOnce(DoAll(Delete(a), Return(Result()))); + EXPECT_CALL(*a, ReturnResult(_)).WillOnce(DoAll(Delete(a), Return(Result()))); a->ReturnResult(42); // This will cause a to be deleted. } @@ -1907,19 +1797,13 @@ TEST(DeletingMockEarlyTest, Failure1) { { InSequence dummy; - EXPECT_CALL(*b1, DoB(_)) - .WillOnce(Return(1)); - EXPECT_CALL(*a, Binary(_, _)) - .Times(AnyNumber()); - EXPECT_CALL(*b2, DoB(_)) - .Times(AnyNumber()) - .WillRepeatedly(Return(2)); + EXPECT_CALL(*b1, DoB(_)).WillOnce(Return(1)); + EXPECT_CALL(*a, Binary(_, _)).Times(AnyNumber()); + EXPECT_CALL(*b2, DoB(_)).Times(AnyNumber()).WillRepeatedly(Return(2)); } delete a; // a is trivially satisfied. - EXPECT_NONFATAL_FAILURE({ - b2->DoB(2); - }, "Unexpected mock function call"); + EXPECT_NONFATAL_FAILURE({ b2->DoB(2); }, "Unexpected mock function call"); EXPECT_EQ(1, b1->DoB(1)); delete b1; delete b2; @@ -1934,18 +1818,13 @@ TEST(DeletingMockEarlyTest, Failure2) { { InSequence dummy; EXPECT_CALL(*b1, DoB(_)); - EXPECT_CALL(*a, Binary(_, _)) - .Times(AnyNumber()); - EXPECT_CALL(*b2, DoB(_)) - .Times(AnyNumber()); + EXPECT_CALL(*a, Binary(_, _)).Times(AnyNumber()); + EXPECT_CALL(*b2, DoB(_)).Times(AnyNumber()); } - EXPECT_NONFATAL_FAILURE(delete b1, - "Actual: never called"); - EXPECT_NONFATAL_FAILURE(a->Binary(0, 1), - "Unexpected mock function call"); - EXPECT_NONFATAL_FAILURE(b2->DoB(1), - "Unexpected mock function call"); + EXPECT_NONFATAL_FAILURE(delete b1, "Actual: never called"); + EXPECT_NONFATAL_FAILURE(a->Binary(0, 1), "Unexpected mock function call"); + EXPECT_NONFATAL_FAILURE(b2->DoB(1), "Unexpected mock function call"); delete a; delete b2; } @@ -1970,23 +1849,16 @@ class EvenNumberCardinality : public CardinalityInterface { } }; -Cardinality EvenNumber() { - return Cardinality(new EvenNumberCardinality); -} +Cardinality EvenNumber() { return Cardinality(new EvenNumberCardinality); } TEST(ExpectationBaseTest, AllPrerequisitesAreSatisfiedWorksForNonMonotonicCardinality) { MockA* a = new MockA; Sequence s; - EXPECT_CALL(*a, DoA(1)) - .Times(EvenNumber()) - .InSequence(s); - EXPECT_CALL(*a, DoA(2)) - .Times(AnyNumber()) - .InSequence(s); - EXPECT_CALL(*a, DoA(3)) - .Times(AnyNumber()); + EXPECT_CALL(*a, DoA(1)).Times(EvenNumber()).InSequence(s); + EXPECT_CALL(*a, DoA(2)).Times(AnyNumber()).InSequence(s); + EXPECT_CALL(*a, DoA(3)).Times(AnyNumber()); a->DoA(3); a->DoA(1); @@ -1997,8 +1869,7 @@ TEST(ExpectationBaseTest, // The following tests verify the message generated when a mock // function is called. -struct Printable { -}; +struct Printable {}; inline void operator<<(::std::ostream& os, const Printable&) { os << "Printable"; @@ -2011,29 +1882,32 @@ struct Unprintable { class MockC { public: - MockC() {} + MockC() = default; MOCK_METHOD6(VoidMethod, void(bool cond, int n, std::string s, void* p, const Printable& x, Unprintable y)); MOCK_METHOD0(NonVoidMethod, int()); // NOLINT private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockC); + MockC(const MockC&) = delete; + MockC& operator=(const MockC&) = delete; }; class VerboseFlagPreservingFixture : public testing::Test { protected: VerboseFlagPreservingFixture() - : saved_verbose_flag_(GMOCK_FLAG(verbose)) {} + : saved_verbose_flag_(GMOCK_FLAG_GET(verbose)) {} ~VerboseFlagPreservingFixture() override { - GMOCK_FLAG(verbose) = saved_verbose_flag_; + GMOCK_FLAG_SET(verbose, saved_verbose_flag_); } private: const std::string saved_verbose_flag_; - GTEST_DISALLOW_COPY_AND_ASSIGN_(VerboseFlagPreservingFixture); + VerboseFlagPreservingFixture(const VerboseFlagPreservingFixture&) = delete; + VerboseFlagPreservingFixture& operator=(const VerboseFlagPreservingFixture&) = + delete; }; #if GTEST_HAS_STREAM_REDIRECTION @@ -2043,7 +1917,7 @@ class VerboseFlagPreservingFixture : public testing::Test { // --gmock_verbose=warning is specified. TEST(FunctionCallMessageTest, UninterestingCallOnNaggyMockGeneratesNoStackTraceWhenVerboseWarning) { - GMOCK_FLAG(verbose) = kWarningVerbosity; + GMOCK_FLAG_SET(verbose, kWarningVerbosity); NaggyMock<MockC> c; CaptureStdout(); c.VoidMethod(false, 5, "Hi", nullptr, Printable(), Unprintable()); @@ -2057,7 +1931,7 @@ TEST(FunctionCallMessageTest, // --gmock_verbose=info is specified. TEST(FunctionCallMessageTest, UninterestingCallOnNaggyMockGeneratesFyiWithStackTraceWhenVerboseInfo) { - GMOCK_FLAG(verbose) = kInfoVerbosity; + GMOCK_FLAG_SET(verbose, kInfoVerbosity); NaggyMock<MockC> c; CaptureStdout(); c.VoidMethod(false, 5, "Hi", nullptr, Printable(), Unprintable()); @@ -2065,7 +1939,7 @@ TEST(FunctionCallMessageTest, EXPECT_PRED_FORMAT2(IsSubstring, "GMOCK WARNING", output); EXPECT_PRED_FORMAT2(IsSubstring, "Stack trace:", output); -# ifndef NDEBUG +#ifndef NDEBUG // We check the stack trace content in dbg-mode only, as opt-mode // may inline the call we are interested in seeing. @@ -2081,7 +1955,7 @@ TEST(FunctionCallMessageTest, const std::string output2 = GetCapturedStdout(); EXPECT_PRED_FORMAT2(IsSubstring, "NonVoidMethod(", output2); -# endif // NDEBUG +#endif // NDEBUG } // Tests that an uninteresting mock function call on a naggy mock @@ -2097,7 +1971,8 @@ TEST(FunctionCallMessageTest, IsSubstring, "Uninteresting mock function call - returning default value.\n" " Function call: DoB()\n" - " Returns: 0\n", output1.c_str()); + " Returns: 0\n", + output1.c_str()); // Makes sure the return value is printed. // A void mock function. @@ -2105,12 +1980,12 @@ TEST(FunctionCallMessageTest, CaptureStdout(); c.VoidMethod(false, 5, "Hi", nullptr, Printable(), Unprintable()); const std::string output2 = GetCapturedStdout(); - EXPECT_THAT(output2.c_str(), - ContainsRegex( - "Uninteresting mock function call - returning directly\\.\n" - " Function call: VoidMethod" - "\\(false, 5, \"Hi\", NULL, @.+ " - "Printable, 4-byte object <00-00 00-00>\\)")); + EXPECT_THAT( + output2.c_str(), + ContainsRegex("Uninteresting mock function call - returning directly\\.\n" + " Function call: VoidMethod" + "\\(false, 5, \"Hi\", NULL, @.+ " + "Printable, 4-byte object <00-00 00-00>\\)")); // A void function has no return value to print. } @@ -2127,14 +2002,14 @@ class GMockVerboseFlagTest : public VerboseFlagPreservingFixture { const std::string& function_name) { if (should_print) { EXPECT_THAT(output.c_str(), HasSubstr(expected_substring)); -# ifndef NDEBUG +#ifndef NDEBUG // We check the stack trace content in dbg-mode only, as opt-mode // may inline the call we are interested in seeing. EXPECT_THAT(output.c_str(), HasSubstr(function_name)); -# else +#else // Suppresses 'unused function parameter' warnings. static_cast<void>(function_name); -# endif // NDEBUG +#endif // NDEBUG } else { EXPECT_STREQ("", output.c_str()); } @@ -2144,31 +2019,26 @@ class GMockVerboseFlagTest : public VerboseFlagPreservingFixture { void TestExpectedCall(bool should_print) { MockA a; EXPECT_CALL(a, DoA(5)); - EXPECT_CALL(a, Binary(_, 1)) - .WillOnce(Return(true)); + EXPECT_CALL(a, Binary(_, 1)).WillOnce(Return(true)); // A void-returning function. CaptureStdout(); a.DoA(5); - VerifyOutput( - GetCapturedStdout(), - should_print, - "Mock function call matches EXPECT_CALL(a, DoA(5))...\n" - " Function call: DoA(5)\n" - "Stack trace:\n", - "DoA"); + VerifyOutput(GetCapturedStdout(), should_print, + "Mock function call matches EXPECT_CALL(a, DoA(5))...\n" + " Function call: DoA(5)\n" + "Stack trace:\n", + "DoA"); // A non-void-returning function. CaptureStdout(); a.Binary(2, 1); - VerifyOutput( - GetCapturedStdout(), - should_print, - "Mock function call matches EXPECT_CALL(a, Binary(_, 1))...\n" - " Function call: Binary(2, 1)\n" - " Returns: true\n" - "Stack trace:\n", - "Binary"); + VerifyOutput(GetCapturedStdout(), should_print, + "Mock function call matches EXPECT_CALL(a, Binary(_, 1))...\n" + " Function call: Binary(2, 1)\n" + " Returns: true\n" + "Stack trace:\n", + "Binary"); } // Tests how the flag affects uninteresting calls on a naggy mock. @@ -2179,41 +2049,37 @@ class GMockVerboseFlagTest : public VerboseFlagPreservingFixture { "call should not happen. Do not suppress it by blindly adding " "an EXPECT_CALL() if you don't mean to enforce the call. " "See " - "https://github.com/google/googletest/blob/master/googlemock/docs/" - "cook_book.md#" - "knowing-when-to-expect for details."; + "https://github.com/google/googletest/blob/main/docs/" + "gmock_cook_book.md#" + "knowing-when-to-expect-useoncall for details."; // A void-returning function. CaptureStdout(); a.DoA(5); - VerifyOutput( - GetCapturedStdout(), - should_print, - "\nGMOCK WARNING:\n" - "Uninteresting mock function call - returning directly.\n" - " Function call: DoA(5)\n" + - note, - "DoA"); + VerifyOutput(GetCapturedStdout(), should_print, + "\nGMOCK WARNING:\n" + "Uninteresting mock function call - returning directly.\n" + " Function call: DoA(5)\n" + + note, + "DoA"); // A non-void-returning function. CaptureStdout(); a.Binary(2, 1); - VerifyOutput( - GetCapturedStdout(), - should_print, - "\nGMOCK WARNING:\n" - "Uninteresting mock function call - returning default value.\n" - " Function call: Binary(2, 1)\n" - " Returns: false\n" + - note, - "Binary"); + VerifyOutput(GetCapturedStdout(), should_print, + "\nGMOCK WARNING:\n" + "Uninteresting mock function call - returning default value.\n" + " Function call: Binary(2, 1)\n" + " Returns: false\n" + + note, + "Binary"); } }; // Tests that --gmock_verbose=info causes both expected and // uninteresting calls to be reported. TEST_F(GMockVerboseFlagTest, Info) { - GMOCK_FLAG(verbose) = kInfoVerbosity; + GMOCK_FLAG_SET(verbose, kInfoVerbosity); TestExpectedCall(true); TestUninterestingCallOnNaggyMock(true); } @@ -2221,7 +2087,7 @@ TEST_F(GMockVerboseFlagTest, Info) { // Tests that --gmock_verbose=warning causes uninteresting calls to be // reported. TEST_F(GMockVerboseFlagTest, Warning) { - GMOCK_FLAG(verbose) = kWarningVerbosity; + GMOCK_FLAG_SET(verbose, kWarningVerbosity); TestExpectedCall(false); TestUninterestingCallOnNaggyMock(true); } @@ -2229,7 +2095,7 @@ TEST_F(GMockVerboseFlagTest, Warning) { // Tests that --gmock_verbose=warning causes neither expected nor // uninteresting calls to be reported. TEST_F(GMockVerboseFlagTest, Error) { - GMOCK_FLAG(verbose) = kErrorVerbosity; + GMOCK_FLAG_SET(verbose, kErrorVerbosity); TestExpectedCall(false); TestUninterestingCallOnNaggyMock(false); } @@ -2237,7 +2103,7 @@ TEST_F(GMockVerboseFlagTest, Error) { // Tests that --gmock_verbose=SOME_INVALID_VALUE has the same effect // as --gmock_verbose=warning. TEST_F(GMockVerboseFlagTest, InvalidFlagIsTreatedAsWarning) { - GMOCK_FLAG(verbose) = "invalid"; // Treated as "warning". + GMOCK_FLAG_SET(verbose, "invalid"); // Treated as "warning". TestExpectedCall(false); TestUninterestingCallOnNaggyMock(true); } @@ -2256,12 +2122,13 @@ void PrintTo(PrintMeNot /* dummy */, ::std::ostream* /* os */) { class LogTestHelper { public: - LogTestHelper() {} + LogTestHelper() = default; MOCK_METHOD1(Foo, PrintMeNot(PrintMeNot)); private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(LogTestHelper); + LogTestHelper(const LogTestHelper&) = delete; + LogTestHelper& operator=(const LogTestHelper&) = delete; }; class GMockLogTest : public VerboseFlagPreservingFixture { @@ -2270,23 +2137,20 @@ class GMockLogTest : public VerboseFlagPreservingFixture { }; TEST_F(GMockLogTest, DoesNotPrintGoodCallInternallyIfVerbosityIsWarning) { - GMOCK_FLAG(verbose) = kWarningVerbosity; - EXPECT_CALL(helper_, Foo(_)) - .WillOnce(Return(PrintMeNot())); + GMOCK_FLAG_SET(verbose, kWarningVerbosity); + EXPECT_CALL(helper_, Foo(_)).WillOnce(Return(PrintMeNot())); helper_.Foo(PrintMeNot()); // This is an expected call. } TEST_F(GMockLogTest, DoesNotPrintGoodCallInternallyIfVerbosityIsError) { - GMOCK_FLAG(verbose) = kErrorVerbosity; - EXPECT_CALL(helper_, Foo(_)) - .WillOnce(Return(PrintMeNot())); + GMOCK_FLAG_SET(verbose, kErrorVerbosity); + EXPECT_CALL(helper_, Foo(_)).WillOnce(Return(PrintMeNot())); helper_.Foo(PrintMeNot()); // This is an expected call. } TEST_F(GMockLogTest, DoesNotPrintWarningInternallyIfVerbosityIsError) { - GMOCK_FLAG(verbose) = kErrorVerbosity; - ON_CALL(helper_, Foo(_)) - .WillByDefault(Return(PrintMeNot())); + GMOCK_FLAG_SET(verbose, kErrorVerbosity); + ON_CALL(helper_, Foo(_)).WillByDefault(Return(PrintMeNot())); helper_.Foo(PrintMeNot()); // This should generate a warning. } @@ -2347,8 +2211,7 @@ TEST(VerifyAndClearExpectationsTest, NoMethodHasExpectations) { // verification succeeds. TEST(VerifyAndClearExpectationsTest, SomeMethodsHaveExpectationsAndSucceed) { MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)); + EXPECT_CALL(b, DoB()).WillOnce(Return(1)); b.DoB(); ASSERT_TRUE(Mock::VerifyAndClearExpectations(&b)); @@ -2363,8 +2226,7 @@ TEST(VerifyAndClearExpectationsTest, SomeMethodsHaveExpectationsAndSucceed) { // verification fails. TEST(VerifyAndClearExpectationsTest, SomeMethodsHaveExpectationsAndFail) { MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)); + EXPECT_CALL(b, DoB()).WillOnce(Return(1)); bool result = true; EXPECT_NONFATAL_FAILURE(result = Mock::VerifyAndClearExpectations(&b), "Actual: never called"); @@ -2380,10 +2242,8 @@ TEST(VerifyAndClearExpectationsTest, SomeMethodsHaveExpectationsAndFail) { // when all of its methods have expectations. TEST(VerifyAndClearExpectationsTest, AllMethodsHaveExpectations) { MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)); - EXPECT_CALL(b, DoB(_)) - .WillOnce(Return(2)); + EXPECT_CALL(b, DoB()).WillOnce(Return(1)); + EXPECT_CALL(b, DoB(_)).WillOnce(Return(2)); b.DoB(); b.DoB(1); ASSERT_TRUE(Mock::VerifyAndClearExpectations(&b)); @@ -2398,10 +2258,8 @@ TEST(VerifyAndClearExpectationsTest, AllMethodsHaveExpectations) { // when a method has more than one expectation. TEST(VerifyAndClearExpectationsTest, AMethodHasManyExpectations) { MockB b; - EXPECT_CALL(b, DoB(0)) - .WillOnce(Return(1)); - EXPECT_CALL(b, DoB(_)) - .WillOnce(Return(2)); + EXPECT_CALL(b, DoB(0)).WillOnce(Return(1)); + EXPECT_CALL(b, DoB(_)).WillOnce(Return(2)); b.DoB(1); bool result = true; EXPECT_NONFATAL_FAILURE(result = Mock::VerifyAndClearExpectations(&b), @@ -2422,8 +2280,7 @@ TEST(VerifyAndClearExpectationsTest, CanCallManyTimes) { b.DoB(); Mock::VerifyAndClearExpectations(&b); - EXPECT_CALL(b, DoB(_)) - .WillOnce(Return(1)); + EXPECT_CALL(b, DoB(_)).WillOnce(Return(1)); b.DoB(1); Mock::VerifyAndClearExpectations(&b); Mock::VerifyAndClearExpectations(&b); @@ -2447,8 +2304,7 @@ TEST(VerifyAndClearTest, NoMethodHasDefaultActions) { // but not all of its methods have default actions. TEST(VerifyAndClearTest, SomeMethodsHaveDefaultActions) { MockB b; - ON_CALL(b, DoB()) - .WillByDefault(Return(1)); + ON_CALL(b, DoB()).WillByDefault(Return(1)); Mock::VerifyAndClear(&b); @@ -2460,10 +2316,8 @@ TEST(VerifyAndClearTest, SomeMethodsHaveDefaultActions) { // its methods have default actions. TEST(VerifyAndClearTest, AllMethodsHaveDefaultActions) { MockB b; - ON_CALL(b, DoB()) - .WillByDefault(Return(1)); - ON_CALL(b, DoB(_)) - .WillByDefault(Return(2)); + ON_CALL(b, DoB()).WillByDefault(Return(1)); + ON_CALL(b, DoB(_)).WillByDefault(Return(2)); Mock::VerifyAndClear(&b); @@ -2478,10 +2332,8 @@ TEST(VerifyAndClearTest, AllMethodsHaveDefaultActions) { // method has more than one ON_CALL() set on it. TEST(VerifyAndClearTest, AMethodHasManyDefaultActions) { MockB b; - ON_CALL(b, DoB(0)) - .WillByDefault(Return(1)); - ON_CALL(b, DoB(_)) - .WillByDefault(Return(2)); + ON_CALL(b, DoB(0)).WillByDefault(Return(1)); + ON_CALL(b, DoB(_)).WillByDefault(Return(2)); Mock::VerifyAndClear(&b); @@ -2495,13 +2347,11 @@ TEST(VerifyAndClearTest, AMethodHasManyDefaultActions) { // times. TEST(VerifyAndClearTest, CanCallManyTimes) { MockB b; - ON_CALL(b, DoB()) - .WillByDefault(Return(1)); + ON_CALL(b, DoB()).WillByDefault(Return(1)); Mock::VerifyAndClear(&b); Mock::VerifyAndClear(&b); - ON_CALL(b, DoB(_)) - .WillByDefault(Return(1)); + ON_CALL(b, DoB(_)).WillByDefault(Return(1)); Mock::VerifyAndClear(&b); EXPECT_EQ(0, b.DoB()); @@ -2511,10 +2361,8 @@ TEST(VerifyAndClearTest, CanCallManyTimes) { // Tests that VerifyAndClear() works when the verification succeeds. TEST(VerifyAndClearTest, Success) { MockB b; - ON_CALL(b, DoB()) - .WillByDefault(Return(1)); - EXPECT_CALL(b, DoB(1)) - .WillOnce(Return(2)); + ON_CALL(b, DoB()).WillByDefault(Return(1)); + EXPECT_CALL(b, DoB(1)).WillOnce(Return(2)); b.DoB(); b.DoB(1); @@ -2529,10 +2377,8 @@ TEST(VerifyAndClearTest, Success) { // Tests that VerifyAndClear() works when the verification fails. TEST(VerifyAndClearTest, Failure) { MockB b; - ON_CALL(b, DoB(_)) - .WillByDefault(Return(1)); - EXPECT_CALL(b, DoB()) - .WillOnce(Return(2)); + ON_CALL(b, DoB(_)).WillByDefault(Return(1)); + EXPECT_CALL(b, DoB()).WillOnce(Return(2)); b.DoB(1); bool result = true; @@ -2550,12 +2396,9 @@ TEST(VerifyAndClearTest, Failure) { // expectations are set on a const mock object. TEST(VerifyAndClearTest, Const) { MockB b; - ON_CALL(Const(b), DoB()) - .WillByDefault(Return(1)); + ON_CALL(Const(b), DoB()).WillByDefault(Return(1)); - EXPECT_CALL(Const(b), DoB()) - .WillOnce(DoDefault()) - .WillOnce(Return(2)); + EXPECT_CALL(Const(b), DoB()).WillOnce(DoDefault()).WillOnce(Return(2)); b.DoB(); b.DoB(); @@ -2571,18 +2414,14 @@ TEST(VerifyAndClearTest, Const) { // object after VerifyAndClear() has been called on it. TEST(VerifyAndClearTest, CanSetDefaultActionsAndExpectationsAfterwards) { MockB b; - ON_CALL(b, DoB()) - .WillByDefault(Return(1)); - EXPECT_CALL(b, DoB(_)) - .WillOnce(Return(2)); + ON_CALL(b, DoB()).WillByDefault(Return(1)); + EXPECT_CALL(b, DoB(_)).WillOnce(Return(2)); b.DoB(1); Mock::VerifyAndClear(&b); - EXPECT_CALL(b, DoB()) - .WillOnce(Return(3)); - ON_CALL(b, DoB(_)) - .WillByDefault(Return(4)); + EXPECT_CALL(b, DoB()).WillOnce(Return(3)); + ON_CALL(b, DoB(_)).WillByDefault(Return(4)); EXPECT_EQ(3, b.DoB()); EXPECT_EQ(4, b.DoB(1)); @@ -2595,19 +2434,13 @@ TEST(VerifyAndClearTest, DoesNotAffectOtherMockObjects) { MockB b1; MockB b2; - ON_CALL(a, Binary(_, _)) - .WillByDefault(Return(true)); - EXPECT_CALL(a, Binary(_, _)) - .WillOnce(DoDefault()) - .WillOnce(Return(false)); + ON_CALL(a, Binary(_, _)).WillByDefault(Return(true)); + EXPECT_CALL(a, Binary(_, _)).WillOnce(DoDefault()).WillOnce(Return(false)); - ON_CALL(b1, DoB()) - .WillByDefault(Return(1)); - EXPECT_CALL(b1, DoB(_)) - .WillOnce(Return(2)); + ON_CALL(b1, DoB()).WillByDefault(Return(1)); + EXPECT_CALL(b1, DoB(_)).WillOnce(Return(2)); - ON_CALL(b2, DoB()) - .WillByDefault(Return(3)); + ON_CALL(b2, DoB()).WillByDefault(Return(3)); EXPECT_CALL(b2, DoB(_)); b2.DoB(0); @@ -2648,8 +2481,7 @@ TEST(VerifyAndClearTest, ReferenceHoldingMock test_mock; // ON_CALL stores a reference to a inside test_mock. - ON_CALL(test_mock, AcceptReference(_)) - .WillByDefault(SetArgPointee<0>(a)); + ON_CALL(test_mock, AcceptReference(_)).WillByDefault(SetArgPointee<0>(a)); // Throw away the reference to the mock that we have in a. After this, the // only reference to it is stored by test_mock. @@ -2670,9 +2502,8 @@ TEST(VerifyAndClearTest, TEST(SynchronizationTest, CanCallMockMethodInAction) { MockA a; MockC c; - ON_CALL(a, DoA(_)) - .WillByDefault(IgnoreResult(InvokeWithoutArgs(&c, - &MockC::NonVoidMethod))); + ON_CALL(a, DoA(_)).WillByDefault( + IgnoreResult(InvokeWithoutArgs(&c, &MockC::NonVoidMethod))); EXPECT_CALL(a, DoA(1)); EXPECT_CALL(a, DoA(1)) .WillOnce(Invoke(&a, &MockA::DoA)) @@ -2756,20 +2587,14 @@ TEST(ParameterlessExpectationsTest, } } // namespace +} // namespace testing -// Allows the user to define their own main and then invoke gmock_main -// from it. This might be necessary on some platforms which require -// specific setup and teardown. -#if GMOCK_RENAME_MAIN -int gmock_main(int argc, char **argv) { -#else -int main(int argc, char **argv) { -#endif // GMOCK_RENAME_MAIN +int main(int argc, char** argv) { testing::InitGoogleMock(&argc, argv); // Ensures that the tests pass no matter what value of // --gmock_catch_leaked_mocks and --gmock_verbose the user specifies. - testing::GMOCK_FLAG(catch_leaked_mocks) = true; - testing::GMOCK_FLAG(verbose) = testing::internal::kWarningVerbosity; + GMOCK_FLAG_SET(catch_leaked_mocks, true); + GMOCK_FLAG_SET(verbose, testing::internal::kWarningVerbosity); return RUN_ALL_TESTS(); } diff --git a/googlemock/test/gmock_all_test.cc b/googlemock/test/gmock_all_test.cc index b2b2027db991..6db0086bb724 100644 --- a/googlemock/test/gmock_all_test.cc +++ b/googlemock/test/gmock_all_test.cc @@ -37,11 +37,11 @@ // below list of actual *_test.cc files might change). #include "test/gmock-actions_test.cc" #include "test/gmock-cardinalities_test.cc" -#include "test/gmock-generated-actions_test.cc" -#include "test/gmock-generated-function-mockers_test.cc" -#include "test/gmock-generated-matchers_test.cc" #include "test/gmock-internal-utils_test.cc" -#include "test/gmock-matchers_test.cc" +#include "test/gmock-matchers-arithmetic_test.cc" +#include "test/gmock-matchers-comparisons_test.cc" +#include "test/gmock-matchers-containers_test.cc" +#include "test/gmock-matchers-misc_test.cc" #include "test/gmock-more-actions_test.cc" #include "test/gmock-nice-strict_test.cc" #include "test/gmock-port_test.cc" diff --git a/googlemock/test/gmock_ex_test.cc b/googlemock/test/gmock_ex_test.cc index 72eb43f74ef4..e174122d9f63 100644 --- a/googlemock/test/gmock_ex_test.cc +++ b/googlemock/test/gmock_ex_test.cc @@ -27,9 +27,10 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - // Tests Google Mock's functionality that depends on exceptions. +#include <exception> + #include "gmock/gmock.h" #include "gtest/gtest.h" @@ -75,6 +76,5 @@ TEST(DefaultValueTest, ThrowsRuntimeErrorWhenNoDefaultValue) { } } - } // unnamed namespace #endif diff --git a/googlemock/test/gmock_leak_test.py b/googlemock/test/gmock_leak_test.py index 7e4b1eea9ae8..8b02bc465d38 100755 --- a/googlemock/test/gmock_leak_test.py +++ b/googlemock/test/gmock_leak_test.py @@ -31,7 +31,7 @@ """Tests that leaked mock objects can be caught be Google Mock.""" -import gmock_test_utils +from googlemock.test import gmock_test_utils PROGRAM_PATH = gmock_test_utils.GetTestExecutablePath('gmock_leak_test_') TEST_WITH_EXPECT_CALL = [PROGRAM_PATH, '--gtest_filter=*ExpectCall*'] @@ -54,50 +54,59 @@ class GMockLeakTest(gmock_test_utils.TestCase): def testCatchesLeakedMockByDefault(self): self.assertNotEqual( 0, - gmock_test_utils.Subprocess(TEST_WITH_EXPECT_CALL, - env=environ).exit_code) + gmock_test_utils.Subprocess( + TEST_WITH_EXPECT_CALL, env=environ + ).exit_code, + ) self.assertNotEqual( - 0, - gmock_test_utils.Subprocess(TEST_WITH_ON_CALL, - env=environ).exit_code) + 0, gmock_test_utils.Subprocess(TEST_WITH_ON_CALL, env=environ).exit_code + ) def testDoesNotCatchLeakedMockWhenDisabled(self): - self.assertEquals( + self.assertEqual( 0, - gmock_test_utils.Subprocess(TEST_WITH_EXPECT_CALL + - ['--gmock_catch_leaked_mocks=0'], - env=environ).exit_code) - self.assertEquals( + gmock_test_utils.Subprocess( + TEST_WITH_EXPECT_CALL + ['--gmock_catch_leaked_mocks=0'], + env=environ, + ).exit_code, + ) + self.assertEqual( 0, - gmock_test_utils.Subprocess(TEST_WITH_ON_CALL + - ['--gmock_catch_leaked_mocks=0'], - env=environ).exit_code) + gmock_test_utils.Subprocess( + TEST_WITH_ON_CALL + ['--gmock_catch_leaked_mocks=0'], env=environ + ).exit_code, + ) def testCatchesLeakedMockWhenEnabled(self): self.assertNotEqual( 0, - gmock_test_utils.Subprocess(TEST_WITH_EXPECT_CALL + - ['--gmock_catch_leaked_mocks'], - env=environ).exit_code) + gmock_test_utils.Subprocess( + TEST_WITH_EXPECT_CALL + ['--gmock_catch_leaked_mocks'], env=environ + ).exit_code, + ) self.assertNotEqual( 0, - gmock_test_utils.Subprocess(TEST_WITH_ON_CALL + - ['--gmock_catch_leaked_mocks'], - env=environ).exit_code) + gmock_test_utils.Subprocess( + TEST_WITH_ON_CALL + ['--gmock_catch_leaked_mocks'], env=environ + ).exit_code, + ) def testCatchesLeakedMockWhenEnabledWithExplictFlagValue(self): self.assertNotEqual( 0, - gmock_test_utils.Subprocess(TEST_WITH_EXPECT_CALL + - ['--gmock_catch_leaked_mocks=1'], - env=environ).exit_code) + gmock_test_utils.Subprocess( + TEST_WITH_EXPECT_CALL + ['--gmock_catch_leaked_mocks=1'], + env=environ, + ).exit_code, + ) def testCatchesMultipleLeakedMocks(self): self.assertNotEqual( 0, - gmock_test_utils.Subprocess(TEST_MULTIPLE_LEAKS + - ['--gmock_catch_leaked_mocks'], - env=environ).exit_code) + gmock_test_utils.Subprocess( + TEST_MULTIPLE_LEAKS + ['--gmock_catch_leaked_mocks'], env=environ + ).exit_code, + ) if __name__ == '__main__': diff --git a/googlemock/test/gmock_leak_test_.cc b/googlemock/test/gmock_leak_test_.cc index 2e095abcf496..a6bb339219f5 100644 --- a/googlemock/test/gmock_leak_test_.cc +++ b/googlemock/test/gmock_leak_test_.cc @@ -27,7 +27,6 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - // Google Mock - a framework for writing C++ mock classes. // // This program is for verifying that a leaked mock object can be @@ -41,18 +40,19 @@ using ::testing::Return; class FooInterface { public: - virtual ~FooInterface() {} + virtual ~FooInterface() = default; virtual void DoThis() = 0; }; class MockFoo : public FooInterface { public: - MockFoo() {} + MockFoo() = default; MOCK_METHOD0(DoThis, void()); private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo); + MockFoo(const MockFoo&) = delete; + MockFoo& operator=(const MockFoo&) = delete; }; TEST(LeakTest, LeakedMockWithExpectCallCausesFailureWhenLeakCheckingIsEnabled) { diff --git a/googlemock/test/gmock_link2_test.cc b/googlemock/test/gmock_link2_test.cc index d27ce176887b..cd3d69088761 100644 --- a/googlemock/test/gmock_link2_test.cc +++ b/googlemock/test/gmock_link2_test.cc @@ -27,7 +27,6 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - // Google Mock - a framework for writing C++ mock classes. // // This file is for verifying that various Google Mock constructs do not diff --git a/googlemock/test/gmock_link_test.cc b/googlemock/test/gmock_link_test.cc index e7c54cc23068..f51e3988df3a 100644 --- a/googlemock/test/gmock_link_test.cc +++ b/googlemock/test/gmock_link_test.cc @@ -27,7 +27,6 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - // Google Mock - a framework for writing C++ mock classes. // // This file is for verifying that various Google Mock constructs do not diff --git a/googlemock/test/gmock_link_test.h b/googlemock/test/gmock_link_test.h index 175d2bdd1b44..db11c2d24d1a 100644 --- a/googlemock/test/gmock_link_test.h +++ b/googlemock/test/gmock_link_test.h @@ -27,7 +27,6 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - // Google Mock - a framework for writing C++ mock classes. // // This file tests that: @@ -112,13 +111,13 @@ // is defined as LinkTest1 in gmock_link_test.cc and as LinkTest2 in // gmock_link2_test.cc to avoid producing linker errors. -#ifndef GMOCK_TEST_GMOCK_LINK_TEST_H_ -#define GMOCK_TEST_GMOCK_LINK_TEST_H_ +#ifndef GOOGLEMOCK_TEST_GMOCK_LINK_TEST_H_ +#define GOOGLEMOCK_TEST_GMOCK_LINK_TEST_H_ #include "gmock/gmock.h" -#if !GTEST_OS_WINDOWS_MOBILE -# include <errno.h> +#ifndef GTEST_OS_WINDOWS_MOBILE +#include <errno.h> #endif #include <iostream> @@ -182,7 +181,7 @@ using testing::WithArg; using testing::WithArgs; using testing::WithoutArgs; -#if !GTEST_OS_WINDOWS_MOBILE +#ifndef GTEST_OS_WINDOWS_MOBILE using testing::SetErrnoAndReturn; #endif @@ -195,34 +194,35 @@ using testing::MatchesRegex; class Interface { public: - virtual ~Interface() {} + virtual ~Interface() = default; virtual void VoidFromString(char* str) = 0; virtual char* StringFromString(char* str) = 0; virtual int IntFromString(char* str) = 0; virtual int& IntRefFromString(char* str) = 0; - virtual void VoidFromFunc(void(*func)(char* str)) = 0; + virtual void VoidFromFunc(void (*func)(char* str)) = 0; virtual void VoidFromIntRef(int& n) = 0; // NOLINT virtual void VoidFromFloat(float n) = 0; virtual void VoidFromDouble(double n) = 0; virtual void VoidFromVector(const std::vector<int>& v) = 0; }; -class Mock: public Interface { +class Mock : public Interface { public: - Mock() {} + Mock() = default; MOCK_METHOD1(VoidFromString, void(char* str)); MOCK_METHOD1(StringFromString, char*(char* str)); MOCK_METHOD1(IntFromString, int(char* str)); MOCK_METHOD1(IntRefFromString, int&(char* str)); - MOCK_METHOD1(VoidFromFunc, void(void(*func)(char* str))); + MOCK_METHOD1(VoidFromFunc, void(void (*func)(char* str))); MOCK_METHOD1(VoidFromIntRef, void(int& n)); // NOLINT MOCK_METHOD1(VoidFromFloat, void(float n)); MOCK_METHOD1(VoidFromDouble, void(double n)); MOCK_METHOD1(VoidFromVector, void(const std::vector<int>& v)); private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(Mock); + Mock(const Mock&) = delete; + Mock& operator=(const Mock&) = delete; }; class InvokeHelper { @@ -301,12 +301,12 @@ TEST(LinkTest, TestSetArrayArgument) { char ch = 'x'; char ch2 = 'y'; - EXPECT_CALL(mock, VoidFromString(_)).WillOnce(SetArrayArgument<0>(&ch2, - &ch2 + 1)); + EXPECT_CALL(mock, VoidFromString(_)) + .WillOnce(SetArrayArgument<0>(&ch2, &ch2 + 1)); mock.VoidFromString(&ch); } -#if !GTEST_OS_WINDOWS_MOBILE +#ifndef GTEST_OS_WINDOWS_MOBILE // Tests the linkage of the SetErrnoAndReturn action. TEST(LinkTest, TestSetErrnoAndReturn) { @@ -339,8 +339,8 @@ TEST(LinkTest, TestInvokeWithoutArgs) { EXPECT_CALL(mock, VoidFromString(_)) .WillOnce(InvokeWithoutArgs(&InvokeHelper::StaticVoidFromVoid)) - .WillOnce(InvokeWithoutArgs(&test_invoke_helper, - &InvokeHelper::VoidFromVoid)); + .WillOnce( + InvokeWithoutArgs(&test_invoke_helper, &InvokeHelper::VoidFromVoid)); mock.VoidFromString(nullptr); mock.VoidFromString(nullptr); } @@ -423,15 +423,12 @@ TEST(LinkTest, TestThrow) { // the macro definition, as the warnings are generated when the macro // is expanded and macro expansion cannot contain #pragma. Therefore // we suppress them here. -#ifdef _MSC_VER -# pragma warning(push) -# pragma warning(disable:4100) -#endif +GTEST_DISABLE_MSC_WARNINGS_PUSH_(4100) // Tests the linkage of actions created using ACTION macro. namespace { ACTION(Return1) { return 1; } -} +} // namespace TEST(LinkTest, TestActionMacro) { Mock mock; @@ -443,7 +440,7 @@ TEST(LinkTest, TestActionMacro) { // Tests the linkage of actions created using ACTION_P macro. namespace { ACTION_P(ReturnArgument, ret_value) { return ret_value; } -} +} // namespace TEST(LinkTest, TestActionPMacro) { Mock mock; @@ -457,11 +454,9 @@ namespace { ACTION_P2(ReturnEqualsEitherOf, first, second) { return arg0 == first || arg0 == second; } -} +} // namespace -#ifdef _MSC_VER -# pragma warning(pop) -#endif +GTEST_DISABLE_MSC_WARNINGS_POP_() // 4100 TEST(LinkTest, TestActionP2Macro) { Mock mock; @@ -492,8 +487,7 @@ TEST(LinkTest, TestMatchersEq) { const char* p = "x"; ON_CALL(mock, VoidFromString(Eq(p))).WillByDefault(Return()); - ON_CALL(mock, VoidFromString(const_cast<char*>("y"))) - .WillByDefault(Return()); + ON_CALL(mock, VoidFromString(const_cast<char*>("y"))).WillByDefault(Return()); } // Tests the linkage of the Lt, Gt, Le, Ge, and Ne matchers. @@ -592,7 +586,7 @@ TEST(LinkTest, TestMatcherElementsAre) { // Tests the linkage of the ElementsAreArray matcher. TEST(LinkTest, TestMatcherElementsAreArray) { Mock mock; - char arr[] = { 'a', 'b' }; + char arr[] = {'a', 'b'}; ON_CALL(mock, VoidFromVector(ElementsAreArray(arr))).WillByDefault(Return()); } @@ -687,4 +681,4 @@ TEST(LinkTest, TestMatcherCast) { EXPECT_TRUE(m.Matches(nullptr)); } -#endif // GMOCK_TEST_GMOCK_LINK_TEST_H_ +#endif // GOOGLEMOCK_TEST_GMOCK_LINK_TEST_H_ diff --git a/googlemock/test/gmock_output_test.py b/googlemock/test/gmock_output_test.py index 25f99f2b7977..7c24d683202c 100755 --- a/googlemock/test/gmock_output_test.py +++ b/googlemock/test/gmock_output_test.py @@ -39,11 +39,11 @@ gmock_output_test.py """ -from io import open # pylint: disable=redefined-builtin, g-importing-member +from io import open # pylint: disable=redefined-builtin, g-importing-member import os import re import sys -import gmock_test_utils +from googlemock.test import gmock_test_utils # The flag for generating the golden file @@ -159,15 +159,22 @@ class GMockOutputTest(gmock_test_utils.TestCase): golden_file = open(GOLDEN_PATH, 'rb') golden = golden_file.read().decode('utf-8') golden_file.close() + # On Windows the repository might have been checked out with \r\n line + # endings, so normalize it here. + golden = ToUnixLineEnding(golden) # The normalized output should match the golden file. - self.assertEquals(golden, output) + self.assertEqual(golden, output) # The raw output should contain 2 leaked mock object errors for # test GMockOutputTest.CatchesLeakedMocks. - self.assertEquals(['GMockOutputTest.CatchesLeakedMocks', - 'GMockOutputTest.CatchesLeakedMocks'], - leaky_tests) + self.assertEqual( + [ + 'GMockOutputTest.CatchesLeakedMocks', + 'GMockOutputTest.CatchesLeakedMocks', + ], + leaky_tests, + ) if __name__ == '__main__': diff --git a/googlemock/test/gmock_output_test_.cc b/googlemock/test/gmock_output_test_.cc index 3955c7331a12..03d842139fa8 100644 --- a/googlemock/test/gmock_output_test_.cc +++ b/googlemock/test/gmock_output_test_.cc @@ -27,22 +27,18 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - // Tests Google Mock's output in various scenarios. This ensures that // Google Mock's messages are readable and useful. -#include "gmock/gmock.h" - #include <stdio.h> + #include <string> +#include "gmock/gmock.h" #include "gtest/gtest.h" // Silence C4100 (unreferenced formal parameter) -#ifdef _MSC_VER -# pragma warning(push) -# pragma warning(disable:4100) -#endif +GTEST_DISABLE_MSC_WARNINGS_PUSH_(4100) using testing::_; using testing::AnyNumber; @@ -56,14 +52,15 @@ using testing::Value; class MockFoo { public: - MockFoo() {} + MockFoo() = default; MOCK_METHOD3(Bar, char(const std::string& s, int i, double x)); MOCK_METHOD2(Bar2, bool(int x, int y)); MOCK_METHOD2(Bar3, void(int x, int y)); private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo); + MockFoo(const MockFoo&) = delete; + MockFoo& operator=(const MockFoo&) = delete; }; class GMockOutputTest : public testing::Test { @@ -72,27 +69,25 @@ class GMockOutputTest : public testing::Test { }; TEST_F(GMockOutputTest, ExpectedCall) { - testing::GMOCK_FLAG(verbose) = "info"; + GMOCK_FLAG_SET(verbose, "info"); EXPECT_CALL(foo_, Bar2(0, _)); foo_.Bar2(0, 0); // Expected call - testing::GMOCK_FLAG(verbose) = "warning"; + GMOCK_FLAG_SET(verbose, "warning"); } TEST_F(GMockOutputTest, ExpectedCallToVoidFunction) { - testing::GMOCK_FLAG(verbose) = "info"; + GMOCK_FLAG_SET(verbose, "info"); EXPECT_CALL(foo_, Bar3(0, _)); foo_.Bar3(0, 0); // Expected call - testing::GMOCK_FLAG(verbose) = "warning"; + GMOCK_FLAG_SET(verbose, "warning"); } TEST_F(GMockOutputTest, ExplicitActionsRunOut) { - EXPECT_CALL(foo_, Bar2(_, _)) - .Times(2) - .WillOnce(Return(false)); + EXPECT_CALL(foo_, Bar2(_, _)).Times(2).WillOnce(Return(false)); foo_.Bar2(2, 2); foo_.Bar2(1, 1); // Explicit actions in EXPECT_CALL run out. } @@ -134,8 +129,7 @@ TEST_F(GMockOutputTest, UninterestingCallToVoidFunction) { } TEST_F(GMockOutputTest, RetiredExpectation) { - EXPECT_CALL(foo_, Bar2(_, _)) - .RetiresOnSaturation(); + EXPECT_CALL(foo_, Bar2(_, _)).RetiresOnSaturation(); EXPECT_CALL(foo_, Bar2(0, 0)); foo_.Bar2(1, 1); @@ -160,12 +154,9 @@ TEST_F(GMockOutputTest, UnsatisfiedPrerequisite) { TEST_F(GMockOutputTest, UnsatisfiedPrerequisites) { Sequence s1, s2; - EXPECT_CALL(foo_, Bar(_, 0, _)) - .InSequence(s1); - EXPECT_CALL(foo_, Bar2(0, 0)) - .InSequence(s2); - EXPECT_CALL(foo_, Bar2(1, _)) - .InSequence(s1, s2); + EXPECT_CALL(foo_, Bar(_, 0, _)).InSequence(s1); + EXPECT_CALL(foo_, Bar2(0, 0)).InSequence(s2); + EXPECT_CALL(foo_, Bar2(1, _)).InSequence(s1, s2); foo_.Bar2(1, 0); // Has two immediate unsatisfied pre-requisites foo_.Bar("Hi", 0, 0); @@ -179,8 +170,7 @@ TEST_F(GMockOutputTest, UnsatisfiedWith) { TEST_F(GMockOutputTest, UnsatisfiedExpectation) { EXPECT_CALL(foo_, Bar(_, _, _)); - EXPECT_CALL(foo_, Bar2(0, _)) - .Times(2); + EXPECT_CALL(foo_, Bar2(0, _)).Times(2); foo_.Bar2(0, 1); } @@ -194,26 +184,22 @@ TEST_F(GMockOutputTest, MismatchArguments) { } TEST_F(GMockOutputTest, MismatchWith) { - EXPECT_CALL(foo_, Bar2(Ge(2), Ge(1))) - .With(Ge()); + EXPECT_CALL(foo_, Bar2(Ge(2), Ge(1))).With(Ge()); foo_.Bar2(2, 3); // Mismatch With() foo_.Bar2(2, 1); } TEST_F(GMockOutputTest, MismatchArgumentsAndWith) { - EXPECT_CALL(foo_, Bar2(Ge(2), Ge(1))) - .With(Ge()); + EXPECT_CALL(foo_, Bar2(Ge(2), Ge(1))).With(Ge()); foo_.Bar2(1, 3); // Mismatch arguments and mismatch With() foo_.Bar2(2, 1); } TEST_F(GMockOutputTest, UnexpectedCallWithDefaultAction) { - ON_CALL(foo_, Bar2(_, _)) - .WillByDefault(Return(true)); // Default action #1 - ON_CALL(foo_, Bar2(1, _)) - .WillByDefault(Return(false)); // Default action #2 + ON_CALL(foo_, Bar2(_, _)).WillByDefault(Return(true)); // Default action #1 + ON_CALL(foo_, Bar2(1, _)).WillByDefault(Return(false)); // Default action #2 EXPECT_CALL(foo_, Bar2(2, 2)); foo_.Bar2(1, 0); // Unexpected call, takes default action #2. @@ -222,10 +208,8 @@ TEST_F(GMockOutputTest, UnexpectedCallWithDefaultAction) { } TEST_F(GMockOutputTest, ExcessiveCallWithDefaultAction) { - ON_CALL(foo_, Bar2(_, _)) - .WillByDefault(Return(true)); // Default action #1 - ON_CALL(foo_, Bar2(1, _)) - .WillByDefault(Return(false)); // Default action #2 + ON_CALL(foo_, Bar2(_, _)).WillByDefault(Return(true)); // Default action #1 + ON_CALL(foo_, Bar2(1, _)).WillByDefault(Return(false)); // Default action #2 EXPECT_CALL(foo_, Bar2(2, 2)); EXPECT_CALL(foo_, Bar2(1, 1)); @@ -237,22 +221,17 @@ TEST_F(GMockOutputTest, ExcessiveCallWithDefaultAction) { } TEST_F(GMockOutputTest, UninterestingCallWithDefaultAction) { - ON_CALL(foo_, Bar2(_, _)) - .WillByDefault(Return(true)); // Default action #1 - ON_CALL(foo_, Bar2(1, _)) - .WillByDefault(Return(false)); // Default action #2 + ON_CALL(foo_, Bar2(_, _)).WillByDefault(Return(true)); // Default action #1 + ON_CALL(foo_, Bar2(1, _)).WillByDefault(Return(false)); // Default action #2 foo_.Bar2(2, 2); // Uninteresting call, takes default action #1. foo_.Bar2(1, 1); // Uninteresting call, takes default action #2. } TEST_F(GMockOutputTest, ExplicitActionsRunOutWithDefaultAction) { - ON_CALL(foo_, Bar2(_, _)) - .WillByDefault(Return(true)); // Default action #1 + ON_CALL(foo_, Bar2(_, _)).WillByDefault(Return(true)); // Default action #1 - EXPECT_CALL(foo_, Bar2(_, _)) - .Times(2) - .WillOnce(Return(false)); + EXPECT_CALL(foo_, Bar2(_, _)).Times(2).WillOnce(Return(false)); foo_.Bar2(2, 2); foo_.Bar2(1, 1); // Explicit actions in EXPECT_CALL run out. } @@ -293,17 +272,15 @@ void TestCatchesLeakedMocksInAdHocTests() { // foo is deliberately leaked. } -int main(int argc, char **argv) { +int main(int argc, char** argv) { testing::InitGoogleMock(&argc, argv); // Ensures that the tests pass no matter what value of // --gmock_catch_leaked_mocks and --gmock_verbose the user specifies. - testing::GMOCK_FLAG(catch_leaked_mocks) = true; - testing::GMOCK_FLAG(verbose) = "warning"; + GMOCK_FLAG_SET(catch_leaked_mocks, true); + GMOCK_FLAG_SET(verbose, "warning"); TestCatchesLeakedMocksInAdHocTests(); return RUN_ALL_TESTS(); } -#ifdef _MSC_VER -# pragma warning(pop) -#endif +GTEST_DISABLE_MSC_WARNINGS_POP_() // 4100 diff --git a/googlemock/test/gmock_output_test_golden.txt b/googlemock/test/gmock_output_test_golden.txt index 4c90b41a3abc..ca88af0291df 100644 --- a/googlemock/test/gmock_output_test_golden.txt +++ b/googlemock/test/gmock_output_test_golden.txt @@ -40,6 +40,7 @@ FILE:#: EXPECT_CALL(foo_, Bar2(0, _))... Actual: 1 Expected: to be called once Actual: never called - unsatisfied and active + [ FAILED ] GMockOutputTest.UnexpectedCall [ RUN ] GMockOutputTest.UnexpectedCallToVoidFunction unknown file: Failure @@ -53,6 +54,7 @@ FILE:#: EXPECT_CALL(foo_, Bar3(0, _))... Actual: 1 Expected: to be called once Actual: never called - unsatisfied and active + [ FAILED ] GMockOutputTest.UnexpectedCallToVoidFunction [ RUN ] GMockOutputTest.ExcessiveCall FILE:#: Failure @@ -61,6 +63,7 @@ Mock function called more times than expected - returning default value. Returns: false Expected: to be called once Actual: called twice - over-saturated and active + [ FAILED ] GMockOutputTest.ExcessiveCall [ RUN ] GMockOutputTest.ExcessiveCallToVoidFunction FILE:#: Failure @@ -68,6 +71,7 @@ Mock function called more times than expected - returning directly. Function call: Bar3(0, 1) Expected: to be called once Actual: called twice - over-saturated and active + [ FAILED ] GMockOutputTest.ExcessiveCallToVoidFunction [ RUN ] GMockOutputTest.UninterestingCall @@ -75,14 +79,14 @@ GMOCK WARNING: Uninteresting mock function call - returning default value. Function call: Bar2(0, 1) Returns: false -NOTE: You can safely ignore the above warning unless this call should not happen. Do not suppress it by blindly adding an EXPECT_CALL() if you don't mean to enforce the call. See https://github.com/google/googletest/blob/master/googlemock/docs/cook_book.md#knowing-when-to-expect for details. +NOTE: You can safely ignore the above warning unless this call should not happen. Do not suppress it by blindly adding an EXPECT_CALL() if you don't mean to enforce the call. See https://github.com/google/googletest/blob/main/docs/gmock_cook_book.md#knowing-when-to-expect-useoncall for details. [ OK ] GMockOutputTest.UninterestingCall [ RUN ] GMockOutputTest.UninterestingCallToVoidFunction GMOCK WARNING: Uninteresting mock function call - returning directly. Function call: Bar3(0, 1) -NOTE: You can safely ignore the above warning unless this call should not happen. Do not suppress it by blindly adding an EXPECT_CALL() if you don't mean to enforce the call. See https://github.com/google/googletest/blob/master/googlemock/docs/cook_book.md#knowing-when-to-expect for details. +NOTE: You can safely ignore the above warning unless this call should not happen. Do not suppress it by blindly adding an EXPECT_CALL() if you don't mean to enforce the call. See https://github.com/google/googletest/blob/main/docs/gmock_cook_book.md#knowing-when-to-expect-useoncall for details. [ OK ] GMockOutputTest.UninterestingCallToVoidFunction [ RUN ] GMockOutputTest.RetiredExpectation unknown file: Failure @@ -104,6 +108,7 @@ FILE:#: tried expectation #1: EXPECT_CALL(foo_, Bar2(0, 0))... Actual: 1 Expected: to be called once Actual: never called - unsatisfied and active + [ FAILED ] GMockOutputTest.RetiredExpectation [ RUN ] GMockOutputTest.UnsatisfiedPrerequisite unknown file: Failure @@ -125,6 +130,7 @@ FILE:#: pre-requisite #0 (end of pre-requisites) Expected: to be called once Actual: never called - unsatisfied and active + [ FAILED ] GMockOutputTest.UnsatisfiedPrerequisite [ RUN ] GMockOutputTest.UnsatisfiedPrerequisites unknown file: Failure @@ -147,6 +153,7 @@ FILE:#: pre-requisite #1 (end of pre-requisites) Expected: to be called once Actual: never called - unsatisfied and active + [ FAILED ] GMockOutputTest.UnsatisfiedPrerequisites [ RUN ] GMockOutputTest.UnsatisfiedWith FILE:#: Failure @@ -154,16 +161,19 @@ Actual function call count doesn't match EXPECT_CALL(foo_, Bar2(_, _))... Expected args: are a pair where the first >= the second Expected: to be called once Actual: never called - unsatisfied and active + [ FAILED ] GMockOutputTest.UnsatisfiedWith [ RUN ] GMockOutputTest.UnsatisfiedExpectation FILE:#: Failure Actual function call count doesn't match EXPECT_CALL(foo_, Bar2(0, _))... Expected: to be called twice Actual: called once - unsatisfied and active + FILE:#: Failure Actual function call count doesn't match EXPECT_CALL(foo_, Bar(_, _, _))... Expected: to be called once Actual: never called - unsatisfied and active + [ FAILED ] GMockOutputTest.UnsatisfiedExpectation [ RUN ] GMockOutputTest.MismatchArguments unknown file: Failure @@ -180,6 +190,7 @@ FILE:#: EXPECT_CALL(foo_, Bar(Ref(s), _, Ge(0)))... Actual: -0.1 Expected: to be called once Actual: never called - unsatisfied and active + [ FAILED ] GMockOutputTest.MismatchArguments [ RUN ] GMockOutputTest.MismatchWith unknown file: Failure @@ -194,6 +205,7 @@ FILE:#: EXPECT_CALL(foo_, Bar2(Ge(2), Ge(1)))... Actual: don't match Expected: to be called once Actual: never called - unsatisfied and active + [ FAILED ] GMockOutputTest.MismatchWith [ RUN ] GMockOutputTest.MismatchArgumentsAndWith unknown file: Failure @@ -210,6 +222,7 @@ FILE:#: EXPECT_CALL(foo_, Bar2(Ge(2), Ge(1)))... Actual: don't match Expected: to be called once Actual: never called - unsatisfied and active + [ FAILED ] GMockOutputTest.MismatchArgumentsAndWith [ RUN ] GMockOutputTest.UnexpectedCallWithDefaultAction unknown file: Failure @@ -227,6 +240,7 @@ FILE:#: EXPECT_CALL(foo_, Bar2(2, 2))... Actual: 0 Expected: to be called once Actual: never called - unsatisfied and active + unknown file: Failure Unexpected mock function call - taking default action specified at: @@ -242,6 +256,7 @@ FILE:#: EXPECT_CALL(foo_, Bar2(2, 2))... Actual: 0 Expected: to be called once Actual: never called - unsatisfied and active + [ FAILED ] GMockOutputTest.UnexpectedCallWithDefaultAction [ RUN ] GMockOutputTest.ExcessiveCallWithDefaultAction FILE:#: Failure @@ -251,6 +266,7 @@ FILE:#: Returns: true Expected: to be called once Actual: called twice - over-saturated and active + FILE:#: Failure Mock function called more times than expected - taking default action specified at: FILE:#: @@ -258,6 +274,7 @@ FILE:#: Returns: false Expected: to be called once Actual: called twice - over-saturated and active + [ FAILED ] GMockOutputTest.ExcessiveCallWithDefaultAction [ RUN ] GMockOutputTest.UninterestingCallWithDefaultAction @@ -266,14 +283,14 @@ Uninteresting mock function call - taking default action specified at: FILE:#: Function call: Bar2(2, 2) Returns: true -NOTE: You can safely ignore the above warning unless this call should not happen. Do not suppress it by blindly adding an EXPECT_CALL() if you don't mean to enforce the call. See https://github.com/google/googletest/blob/master/googlemock/docs/cook_book.md#knowing-when-to-expect for details. +NOTE: You can safely ignore the above warning unless this call should not happen. Do not suppress it by blindly adding an EXPECT_CALL() if you don't mean to enforce the call. See https://github.com/google/googletest/blob/main/docs/gmock_cook_book.md#knowing-when-to-expect-useoncall for details. GMOCK WARNING: Uninteresting mock function call - taking default action specified at: FILE:#: Function call: Bar2(1, 1) Returns: false -NOTE: You can safely ignore the above warning unless this call should not happen. Do not suppress it by blindly adding an EXPECT_CALL() if you don't mean to enforce the call. See https://github.com/google/googletest/blob/master/googlemock/docs/cook_book.md#knowing-when-to-expect for details. +NOTE: You can safely ignore the above warning unless this call should not happen. Do not suppress it by blindly adding an EXPECT_CALL() if you don't mean to enforce the call. See https://github.com/google/googletest/blob/main/docs/gmock_cook_book.md#knowing-when-to-expect-useoncall for details. [ OK ] GMockOutputTest.UninterestingCallWithDefaultAction [ RUN ] GMockOutputTest.ExplicitActionsRunOutWithDefaultAction @@ -291,8 +308,9 @@ Stack trace: [ RUN ] GMockOutputTest.PrintsMatcher FILE:#: Failure Value of: (std::pair<int, bool>(42, true)) -Expected: is pair (is >= 48, true) - Actual: (42, true) (of type std::pair<int, bool>) +Expected: is pair (first: is >= 48, second: true) + Actual: (42, true) (of type std::pair<int,bool>) + [ FAILED ] GMockOutputTest.PrintsMatcher [ FAILED ] GMockOutputTest.UnexpectedCall [ FAILED ] GMockOutputTest.UnexpectedCallToVoidFunction @@ -314,4 +332,4 @@ Expected: is pair (is >= 48, true) FILE:#: ERROR: this mock object should be deleted but never is. Its address is @0x#. FILE:#: ERROR: this mock object should be deleted but never is. Its address is @0x#. FILE:#: ERROR: this mock object should be deleted but never is. Its address is @0x#. -ERROR: 3 leaked mock objects found at program exit. Expectations on a mock object is verified when the object is destructed. Leaking a mock means that its expectations aren't verified, which is usually a test bug. If you really intend to leak a mock, you can suppress this error using testing::Mock::AllowLeak(mock_object), or you may use a fake or stub instead of a mock. +ERROR: 3 leaked mock objects found at program exit. Expectations on a mock object are verified when the object is destructed. Leaking a mock means that its expectations aren't verified, which is usually a test bug. If you really intend to leak a mock, you can suppress this error using testing::Mock::AllowLeak(mock_object), or you may use a fake or stub instead of a mock. diff --git a/googlemock/test/gmock_stress_test.cc b/googlemock/test/gmock_stress_test.cc index 20725d69b7bf..9e42cd935847 100644 --- a/googlemock/test/gmock_stress_test.cc +++ b/googlemock/test/gmock_stress_test.cc @@ -27,7 +27,6 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - // Tests that Google Mock constructs can be used in a large number of // threads concurrently. @@ -49,7 +48,7 @@ const int kRepeat = 50; class MockFoo { public: - MOCK_METHOD1(Bar, int(int n)); // NOLINT + MOCK_METHOD1(Bar, int(int n)); // NOLINT MOCK_METHOD2(Baz, char(const char* s1, const std::string& s2)); // NOLINT }; @@ -62,21 +61,16 @@ void JoinAndDelete(ThreadWithParam<T>* t) { struct Dummy {}; - // Tests that different mock objects can be used in their respective // threads. This should generate no Google Test failure. void TestConcurrentMockObjects(Dummy /* dummy */) { // Creates a mock and does some typical operations on it. MockFoo foo; - ON_CALL(foo, Bar(_)) - .WillByDefault(Return(1)); - ON_CALL(foo, Baz(_, _)) - .WillByDefault(Return('b')); - ON_CALL(foo, Baz(_, "you")) - .WillByDefault(Return('a')); - - EXPECT_CALL(foo, Bar(0)) - .Times(AtMost(3)); + ON_CALL(foo, Bar(_)).WillByDefault(Return(1)); + ON_CALL(foo, Baz(_, _)).WillByDefault(Return('b')); + ON_CALL(foo, Baz(_, "you")).WillByDefault(Return('a')); + + EXPECT_CALL(foo, Bar(0)).Times(AtMost(3)); EXPECT_CALL(foo, Baz(_, _)); EXPECT_CALL(foo, Baz("hi", "you")) .WillOnce(Return('z')) @@ -119,22 +113,19 @@ void Helper1(Helper1Param param) { void TestConcurrentCallsOnSameObject(Dummy /* dummy */) { MockFoo foo; - ON_CALL(foo, Bar(_)) - .WillByDefault(Return(1)); - EXPECT_CALL(foo, Baz(_, "b")) - .Times(kRepeat) - .WillRepeatedly(Return('a')); + ON_CALL(foo, Bar(_)).WillByDefault(Return(1)); + EXPECT_CALL(foo, Baz(_, "b")).Times(kRepeat).WillRepeatedly(Return('a')); EXPECT_CALL(foo, Baz(_, "c")); // Expected to be unsatisfied. // This chunk of code should generate kRepeat failures about // excessive calls, and 2*kRepeat failures about unexpected calls. int count1 = 0; - const Helper1Param param = { &foo, &count1 }; + const Helper1Param param = {&foo, &count1}; ThreadWithParam<Helper1Param>* const t = new ThreadWithParam<Helper1Param>(Helper1, param, nullptr); int count2 = 0; - const Helper1Param param2 = { &foo, &count2 }; + const Helper1Param param2 = {&foo, &count2}; Helper1(param2); JoinAndDelete(t); @@ -162,22 +153,18 @@ void TestPartiallyOrderedExpectationsWithThreads(Dummy /* dummy */) { { InSequence dummy; EXPECT_CALL(foo, Bar(0)); - EXPECT_CALL(foo, Bar(1)) - .InSequence(s1, s2); + EXPECT_CALL(foo, Bar(1)).InSequence(s1, s2); } EXPECT_CALL(foo, Bar(2)) - .Times(2*kRepeat) + .Times(2 * kRepeat) .InSequence(s1) .RetiresOnSaturation(); - EXPECT_CALL(foo, Bar(3)) - .Times(2*kRepeat) - .InSequence(s2); + EXPECT_CALL(foo, Bar(3)).Times(2 * kRepeat).InSequence(s2); { InSequence dummy; - EXPECT_CALL(foo, Bar(2)) - .InSequence(s1, s2); + EXPECT_CALL(foo, Bar(2)).InSequence(s1, s2); EXPECT_CALL(foo, Bar(4)); } @@ -196,12 +183,12 @@ void TestPartiallyOrderedExpectationsWithThreads(Dummy /* dummy */) { // Tests using Google Mock constructs in many threads concurrently. TEST(StressTest, CanUseGMockWithThreads) { void (*test_routines[])(Dummy dummy) = { - &TestConcurrentMockObjects, - &TestConcurrentCallsOnSameObject, - &TestPartiallyOrderedExpectationsWithThreads, + &TestConcurrentMockObjects, + &TestConcurrentCallsOnSameObject, + &TestPartiallyOrderedExpectationsWithThreads, }; - const int kRoutines = sizeof(test_routines)/sizeof(test_routines[0]); + const int kRoutines = sizeof(test_routines) / sizeof(test_routines[0]); const int kCopiesOfEachRoutine = kMaxTestThreads / kRoutines; const int kTestThreads = kCopiesOfEachRoutine * kRoutines; ThreadWithParam<Dummy>* threads[kTestThreads] = {}; @@ -220,7 +207,7 @@ TEST(StressTest, CanUseGMockWithThreads) { // Ensures that the correct number of failures have been reported. const TestInfo* const info = UnitTest::GetInstance()->current_test_info(); const TestResult& result = *info->result(); - const int kExpectedFailures = (3*kRepeat + 1)*kCopiesOfEachRoutine; + const int kExpectedFailures = (3 * kRepeat + 1) * kCopiesOfEachRoutine; GTEST_CHECK_(kExpectedFailures == result.total_part_count()) << "Expected " << kExpectedFailures << " failures, but got " << result.total_part_count(); @@ -229,7 +216,7 @@ TEST(StressTest, CanUseGMockWithThreads) { } // namespace } // namespace testing -int main(int argc, char **argv) { +int main(int argc, char** argv) { testing::InitGoogleMock(&argc, argv); const int exit_code = RUN_ALL_TESTS(); // Expected to fail. diff --git a/googlemock/test/gmock_test.cc b/googlemock/test/gmock_test.cc index e9840a337db8..8cfff3066783 100644 --- a/googlemock/test/gmock_test.cc +++ b/googlemock/test/gmock_test.cc @@ -27,7 +27,6 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - // Google Mock - a framework for writing C++ mock classes. // // This file tests code in gmock.cc. @@ -35,13 +34,12 @@ #include "gmock/gmock.h" #include <string> + #include "gtest/gtest.h" #include "gtest/internal/custom/gtest.h" #if !defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_) -using testing::GMOCK_FLAG(default_mock_behavior); -using testing::GMOCK_FLAG(verbose); using testing::InitGoogleMock; // Verifies that calling InitGoogleMock() on argv results in new_argv, @@ -49,7 +47,7 @@ using testing::InitGoogleMock; template <typename Char, int M, int N> void TestInitGoogleMock(const Char* (&argv)[M], const Char* (&new_argv)[N], const ::std::string& expected_gmock_verbose) { - const ::std::string old_verbose = GMOCK_FLAG(verbose); + const ::std::string old_verbose = GMOCK_FLAG_GET(verbose); int argc = M - 1; InitGoogleMock(&argc, const_cast<Char**>(argv)); @@ -59,8 +57,8 @@ void TestInitGoogleMock(const Char* (&argv)[M], const Char* (&new_argv)[N], EXPECT_STREQ(new_argv[i], argv[i]); } - EXPECT_EQ(expected_gmock_verbose, GMOCK_FLAG(verbose).c_str()); - GMOCK_FLAG(verbose) = old_verbose; // Restores the gmock_verbose flag. + EXPECT_EQ(expected_gmock_verbose, GMOCK_FLAG_GET(verbose)); + GMOCK_FLAG_SET(verbose, old_verbose); // Restores the gmock_verbose flag. } TEST(InitGoogleMockTest, ParsesInvalidCommandLine) { @@ -68,7 +66,7 @@ TEST(InitGoogleMockTest, ParsesInvalidCommandLine) { const char* new_argv[] = {nullptr}; - TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose)); + TestInitGoogleMock(argv, new_argv, GMOCK_FLAG_GET(verbose)); } TEST(InitGoogleMockTest, ParsesEmptyCommandLine) { @@ -76,7 +74,7 @@ TEST(InitGoogleMockTest, ParsesEmptyCommandLine) { const char* new_argv[] = {"foo.exe", nullptr}; - TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose)); + TestInitGoogleMock(argv, new_argv, GMOCK_FLAG_GET(verbose)); } TEST(InitGoogleMockTest, ParsesSingleFlag) { @@ -88,16 +86,16 @@ TEST(InitGoogleMockTest, ParsesSingleFlag) { } TEST(InitGoogleMockTest, ParsesMultipleFlags) { - int old_default_behavior = GMOCK_FLAG(default_mock_behavior); + int old_default_behavior = GMOCK_FLAG_GET(default_mock_behavior); const wchar_t* argv[] = {L"foo.exe", L"--gmock_verbose=info", L"--gmock_default_mock_behavior=2", nullptr}; const wchar_t* new_argv[] = {L"foo.exe", nullptr}; TestInitGoogleMock(argv, new_argv, "info"); - EXPECT_EQ(2, GMOCK_FLAG(default_mock_behavior)); + EXPECT_EQ(2, GMOCK_FLAG_GET(default_mock_behavior)); EXPECT_NE(2, old_default_behavior); - GMOCK_FLAG(default_mock_behavior) = old_default_behavior; + GMOCK_FLAG_SET(default_mock_behavior, old_default_behavior); } TEST(InitGoogleMockTest, ParsesUnrecognizedFlag) { @@ -105,7 +103,7 @@ TEST(InitGoogleMockTest, ParsesUnrecognizedFlag) { const char* new_argv[] = {"foo.exe", "--non_gmock_flag=blah", nullptr}; - TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose)); + TestInitGoogleMock(argv, new_argv, GMOCK_FLAG_GET(verbose)); } TEST(InitGoogleMockTest, ParsesGoogleMockFlagAndUnrecognizedFlag) { @@ -122,7 +120,7 @@ TEST(WideInitGoogleMockTest, ParsesInvalidCommandLine) { const wchar_t* new_argv[] = {nullptr}; - TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose)); + TestInitGoogleMock(argv, new_argv, GMOCK_FLAG_GET(verbose)); } TEST(WideInitGoogleMockTest, ParsesEmptyCommandLine) { @@ -130,7 +128,7 @@ TEST(WideInitGoogleMockTest, ParsesEmptyCommandLine) { const wchar_t* new_argv[] = {L"foo.exe", nullptr}; - TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose)); + TestInitGoogleMock(argv, new_argv, GMOCK_FLAG_GET(verbose)); } TEST(WideInitGoogleMockTest, ParsesSingleFlag) { @@ -142,16 +140,16 @@ TEST(WideInitGoogleMockTest, ParsesSingleFlag) { } TEST(WideInitGoogleMockTest, ParsesMultipleFlags) { - int old_default_behavior = GMOCK_FLAG(default_mock_behavior); + int old_default_behavior = GMOCK_FLAG_GET(default_mock_behavior); const wchar_t* argv[] = {L"foo.exe", L"--gmock_verbose=info", L"--gmock_default_mock_behavior=2", nullptr}; const wchar_t* new_argv[] = {L"foo.exe", nullptr}; TestInitGoogleMock(argv, new_argv, "info"); - EXPECT_EQ(2, GMOCK_FLAG(default_mock_behavior)); + EXPECT_EQ(2, GMOCK_FLAG_GET(default_mock_behavior)); EXPECT_NE(2, old_default_behavior); - GMOCK_FLAG(default_mock_behavior) = old_default_behavior; + GMOCK_FLAG_SET(default_mock_behavior, old_default_behavior); } TEST(WideInitGoogleMockTest, ParsesUnrecognizedFlag) { @@ -159,7 +157,7 @@ TEST(WideInitGoogleMockTest, ParsesUnrecognizedFlag) { const wchar_t* new_argv[] = {L"foo.exe", L"--non_gmock_flag=blah", nullptr}; - TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose)); + TestInitGoogleMock(argv, new_argv, GMOCK_FLAG_GET(verbose)); } TEST(WideInitGoogleMockTest, ParsesGoogleMockFlagAndUnrecognizedFlag) { @@ -175,7 +173,7 @@ TEST(WideInitGoogleMockTest, ParsesGoogleMockFlagAndUnrecognizedFlag) { // Makes sure Google Mock flags can be accessed in code. TEST(FlagTest, IsAccessibleInCode) { - bool dummy = testing::GMOCK_FLAG(catch_leaked_mocks) && - testing::GMOCK_FLAG(verbose) == ""; + bool dummy = + GMOCK_FLAG_GET(catch_leaked_mocks) && GMOCK_FLAG_GET(verbose).empty(); (void)dummy; // Avoids the "unused local variable" warning. } diff --git a/googlemock/test/gmock_test_utils.py b/googlemock/test/gmock_test_utils.py index 7dc4e119d3c5..edad1f752f0c 100755 --- a/googlemock/test/gmock_test_utils.py +++ b/googlemock/test/gmock_test_utils.py @@ -30,21 +30,9 @@ """Unit test utilities for Google C++ Mocking Framework.""" import os -import sys - -# Determines path to gtest_test_utils and imports it. -SCRIPT_DIR = os.path.dirname(__file__) or '.' - -# isdir resolves symbolic links. -gtest_tests_util_dir = os.path.join(SCRIPT_DIR, '../../googletest/test') -if os.path.isdir(gtest_tests_util_dir): - GTEST_TESTS_UTIL_DIR = gtest_tests_util_dir -else: - GTEST_TESTS_UTIL_DIR = os.path.join(SCRIPT_DIR, '../../googletest/test') -sys.path.append(GTEST_TESTS_UTIL_DIR) # pylint: disable=C6204 -import gtest_test_utils +from googletest.test import gtest_test_utils def GetSourceDir(): @@ -89,9 +77,6 @@ def GetExitStatus(exit_code): return -1 -# Suppresses the "Invalid const name" lint complaint -# pylint: disable-msg=C6409 - # Exposes utilities from gtest_test_utils. Subprocess = gtest_test_utils.Subprocess TestCase = gtest_test_utils.TestCase @@ -99,8 +84,6 @@ environ = gtest_test_utils.environ SetEnvVar = gtest_test_utils.SetEnvVar PREMATURE_EXIT_FILE_ENV_VAR = gtest_test_utils.PREMATURE_EXIT_FILE_ENV_VAR -# pylint: enable-msg=C6409 - def Main(): """Runs the unit test.""" |